A sorbent article is described including a sorbent region, a desorbing media region, and a selective barrier layer positioned at least between the two regions. Also described are methods of forming the sorbent article and methods of using the sorbent article for the purpose of swing adsorption, including for direct air capture (DAC) of carbon dioxide. The selective barrier layer may be impermeable to water and water vapor to protect the sorbent region. The sorbent article may be collapsible, wherein the selective barrier layer collapses into an adsorptive configuration to maximize access to the sorbent region during adsorption and expand into a desorptive configuration to maximize access to the desorbing media region during desorption.
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 20/10 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
Provided herein are filter assemblies that more effectively harness the energy of a cleaning pulse. Specifically, the filter assembly may have a direction-dependent flow resistance by including an integrated flow control component positioned downstream of the filter component and the support structure which prevents the fluid stream from a cleaning pulse from dissipating through the filter component as it cleans but allows sufficient fluid stream flowing in the forward direction through the filter component during normal operation.
B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
B01D 46/02 - Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
B01D 46/44 - Auxiliary equipment or operation thereof controlling filtration
B01D 46/71 - Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
Provided herein are filter assemblies that more effectively harness the energy of a cleaning pulse. Specifically, the filter assembly may have a direction-dependent flow resistance by including a flow control unit positioned downstream of the filter component which prevents the fluid stream from a cleaning pulse from dissipating through the filter component as it cleans but allows sufficient fluid stream flowing in the forward direction through the filter component during normal operation.
B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
B01D 46/02 - Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
B01D 46/44 - Auxiliary equipment or operation thereof controlling filtration
B01D 46/71 - Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
There is provided a vent comprising a membrane and a first layer provided on a first side of the membrane, the first layer defining an aperture such that the membrane is exposed through the aperture, the aperture having a major dimension and a minor dimension, wherein the membrane has a machine direction and a transverse direction and the major dimension of the aperture of the first layer is oriented at an angle to the machine direction of the membrane of less than 90 degrees.
Poly(tetramethyl-p-silphenylenesiloxane) (PTMPS) membranes and porous articles made therefrom that have a matrix tensile strength in at least one direction from about 1 MPa to about 50 MPa, a matrix modulus greater than about 100 MPa in at least one direction, a porosity greater than about 30%, and a microstructure of nodes interconnected by fibrils are provided. The PTMPS polymer forming the PTMPS membranes and porous articles has a crystallinity of at least about 70%, a polydispersity from 1 to 5, and a weight average molecular weight from about 350 kDa to about 5 MDa. The PTMPS membranes may be asymmetric, meaning that the observed pore structure on one side of the PTMPS membrane is different than the pore structure on the opposing side of the PTMPS membrane. Methods of forming porous PTMPS articles are provided. Dense PTMPS articles and methods of making the same are also provided.
Embodiments of the present disclosure comprise occlusion and drug delivery devices and methods. One aspect of the disclosure comprises a drug delivery device comprising an inner expansion member and an outer drug delivery component. Another aspect of the disclosure comprises bioabsorbable, lumen-occluding implants.
A61B 17/00 - Surgical instruments, devices or methods
A61B 17/12 - Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
A61M 5/00 - Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular wayAccessories therefor, e.g. filling or cleaning devices, arm rests
Apparatuses, systems, and methods that include an endovascular device are provided. The endovascular device may include a graft including a length and a stent coupled to the graft and extending over at least a portion of the length of the graft. The endovascular device may further include a coupling strip extending substantially longitudinally along the graft to define a reinforced portion, the reinforced portion resisting bending of the endovascular device at the reinforced portion such that the endovascular device preferentially bends generally away from and generally opposite to the reinforced portion.
The invention relates to medical devices and methods of using them. The devices are prostheses which can be percutaneously deliverable with (or on) an endovascular catheter or via other surgical or other techniques and then expanded. The prostheses are configured to have a lattice resistant to dilation and creep, which is defined by a plurality of openings. The prosthesis may also optionally have a stent disposed proximal to the lattice. In exemplary embodiments, the fluoropolymer is expanded polytetrafluoroethylene. The composite materials exhibit high elongation while substantially retaining the strength properties of the fluoropolymer membrane. In at least one embodiment, the lattice is made of a composite material that includes a least one fluoropolymer membrane including serpentine fibrils and an elastomer. A lattice including a generally tubular member formed of a composite material including a least one fluoropolymer membrane containing serpentine fibrils and an elastomer is also provided.
A61F 2/915 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
A61F 2/82 - Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
A61F 2/88 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure the wire-like elements formed as helical or spiral coils
A61F 2/89 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure the wire-like elements comprising two or more adjacent rings flexibly connected by separate members
A61F 2/90 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
The present disclosure provides bioabsorbable particles with a nucleic acid. The bioabsorbable particles also include a bioabsorbable polymer matrix and a lipid salt. both of which can be altered to affect the particle properties. The bioabsorbable particles may be administered to a patient for the treatment of diseases. Methods for making and using the bioabsorbable particles are also provided.
Glaucoma treatment systems are disclosed. In various example, the glaucoma treatment systems include a body and a fluid conduit configured to facilitate an evacuation of fluid, such as aqueous humor, from a fluid-filled body cavity, such as an anterior chamber of an eye. In some examples, the fluid conduit is soft and compliant, and the glaucoma treatment system includes one or more stiffening members coupled with the fluid conduit to temporarily stiffen the fluid conduit and help aid in the delivery of the glaucoma treatment device. In some examples, the stiffening members are removable from the fluid conduit after the glaucoma treatment system has been implanted.
A61F 9/00 - Methods or devices for treatment of the eyesDevices for putting in contact-lensesDevices to correct squintingApparatus to guide the blindProtective devices for the eyes, carried on the body or in the hand
Paste-processed ultra high molecular weight polyethylene (UHMWPE) polymers, and processes for the formation of dense UHMWPE films from a highly crystalline ultra high molecular weight polyethylene polymer are provided. The UHMWPE films described herein may be manufactured by 1) compressing a dry, porous UHMWPE tape and then stretching above the melt temperature of the UHMWPE polymer; 2) expanding a dry, porous UHMWPE tape above the melt of the UHMWPE polymer without compression; or 3) expanding a dry, porous UHMWPE tape below the melt of the UHMWPE polymer to form a porous membrane and subsequently compressing the porous membrane at temperatures above the melt of the UHMWPE polymer to forma dense film. This dense film may be further stretched biaxially to enhance the properties of the dense film.
Sorbent polymer composite articles are disclosed herein. The article includes a polymer region having a constant volume, a plurality of expandable particles disposed within the polymer region, and a plurality of compressible particles disposed within the polymer region. The expandable particles and the compressible particles have a first configuration with a first total volume of the respective particles and a second configuration with a second total volume of the respective particles greater than the first total volume. The expandable particles impart a force to the compressible particles when the expandable particles transition from the first configuration to the second configuration to compress the compressible particles from the second configuration to the first configuration to maintain the constant volume of the polymer region.
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 20/08 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group comprising aluminium oxide or hydroxideSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group comprising bauxite
B01J 20/20 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbonSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
B01J 20/22 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising organic material
B01D 53/02 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography
16.
CONTROLLED EXPANSION OF SORBENT POLYMER COMPOSITE ARTICLE
Sorbent polymer composite articles are disclosed herein. The article includes a polymer region having a constant volume, a plurality of expandable particles disposed within the polymer region, and a plurality of compressible particles disposed within the polymer region. The expandable particles and the compressible particles have a first configuration with a first total volume of the respective particles and a second configuration with a second total volume of the respective particles greater than the first total volume. The expandable particles impart a force to the compressible particles when the expandable particles transition from the first configuration to the second configuration to compress the compressible particles from the second configuration to the first configuration to maintain the constant volume of the polymer region.
B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
17.
POLY(IONIC LIQUID)S COMPOSITE FOR ABSORPTION AND SEPARATION
Provided herein are composite materials having an expanded porous membrane and a poly(ionic liquids)(PILs) which exhibit superior performance properties including high CO2 absorption, CO2 permeability and CO2/N2 selectivity in combination with desirable mechanical properties such as being thin, strong, moisture and temperature resistant, and having flexibility, strength, and durability, laminates and articles including the composites, and processes for manufacture of the composites.
B01D 53/22 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
A reinforced hydrogel composite including a porous synthetic or naturally derived retracted membrane material having a void volume, and a hydrogel at least partially filling the void volume; wherein the composite has a low strain (<50%) modulus from about 0.01 to about 10 MPa and a toughness from about 104to about 107Jꞏm3. Methods for making the reinforced hydrogel composite and articles containing the reinforced hydrogel composite are also provided.
A reinforced hydrogel composite including a porous synthetic or naturally derived retracted membrane material having a void volume, and a hydrogel at least partially filling the void volume; wherein the composite has a low strain (<50%) modulus from about 0.01 to about 10 MPa and a toughness from about 104 to about 107 J·m3. Methods for making the reinforced hydrogel composite and articles containing the reinforced hydrogel composite are also provided.
Embodiments are directed to composite membranes having: increased volume of the microporous polymer structure relative to the total volume of the PEM; decreased permeance and thus increased selectivity; and lower ionomer content. An increased amount of polymers of the microporous polymer structure is mixed with a low equivalent weight ionomer (e.g., <460 cc/mole eq) to obtain a composite material having at least two distinct materials. Various embodiments provide a composite membrane comprising a microporous polymer structure that occupies from 13 vol % to 65 vol % of a total volume of the composite membrane, and an ionomer impregnated in the microporous polymer structure. The acid content of the composite membrane is 1.2 meq/cc to 3.5 meq/cc, and/or the thickness of the composite membrane is less than 17 microns. The selectivity of the composite membrane is greater than 0.05 MPa/mV, based on proton conductance and hydrogen permeance.
H01M 8/1004 - Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
H01M 8/1023 - Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having only carbon, e.g. polyarylenes, polystyrenes or polybutadiene-styrenes
H01M 8/1053 - Polymer electrolyte composites, mixtures or blends consisting of layers of polymers with at least one layer being ionically conductive
H01M 8/1062 - Polymeric electrolyte materials characterised by a porous support having no ion-conducting properties characterised by the physical properties of the porous support, e.g. its porosity or thickness
H01M 8/1067 - Polymeric electrolyte materials characterised by their physical properties, e.g. porosity, ionic conductivity or thickness
21.
AN ELECTROLYZER POROUS DIAPHRAGM, METHOD FOR PRODUCING THE SAME, AN ELECTROLYZER COMPRISING THE POROUS DIAPHRAGM, AND USE OF THE POROUS DIAPHRAGM IN ELECTROLYSIS
The present disclosure provides an electrolyzer porous diaphragm comprising: a microporous polymer scaffold having a plurality of pores having inner surfaces, wherein the microporous polymer scaffold has a first direction, a second direction and a thickness direction, wherein the first direction is orthogonal to the second direction, and the first and second directions are each orthogonal to the thickness direction; and a hydrophilic additive, wherein the hydrophilic additive is deposited on the inner surfaces of the plurality of pores of the microporous polymer scaffold, wherein the microporous polymer scaffold has a matrix tensile strength (MTS) in the second direction of at least about 55 MPa, wherein the second direction is the direction in which the microporous polymer scaffold has its minimum matrix tensile strength, and wherein the porous diaphragm has a contact thickness of less than about 150 μm. The present disclosure also provides a method for producing the electrolyzer porous diaphragm, an electrolyzer comprising the electrolyzer porous diaphragm, and use of the electrolyzer porous diaphragm or the electrolyzer in the electrolysis of water to produce hydrogen.
A composite membrane is described comprising a microporous polymer scaffold comprising a plurality of scaffold pores, each of said scaffold pores having a pore volume and the microporous polymer scaffold having a scaffold pore volume, wherein the microporous polymer scaffold has a bubble point pressure equal to or greater than 2 bar; and an opaloid within the plurality of scaffold pores, wherein the opaloid comprises sub-micron particles within the scaffold pore volume; and wherein the composite membrane comprises a plurality of composite membrane pores that are defined at least in part by the opaloid. The composite membrane can be used as a membrane support for a supported liquid membrane. Also described are methods of manufacturing the composite membranes.
A system for use as an electrochemical separator is described, the system comprising an electrolyte and a composite membrane. The composite membrane comprises a microporous polymer scaffold comprising a plurality of scaffold pores, each of the scaffold pores having a pore volume and the microporous polymer scaffold having a scaffold pore volume, and an opaloid within the plurality of scaffold pores. The opaloid comprises sub-micron particles within the scaffold pore volume, and the composite membrane comprises a plurality of composite membrane pores which are defined at least in part by the opaloid. Also described are an electrochemical device comprising an anode, a cathode, and the system of the disclosure, uses of the system, and methods of manufacturing the system. A supported liquid membrane comprising a composite membrane as described in the disclosure, and a liquid is also described.
H01M 50/446 - Composite material consisting of a mixture of organic and inorganic materials
H01M 50/489 - Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
Methods for manufacturing an injector device including a barrel having a wall defining an inner surface and a stopper that is slidably received in the barrel, the stopper having an outer side engaged with the inner surface of the wall of the barrel. The methods may include modifying a stopper by directing energy through the wall of the barrel to the stopper.
A surgical suture of a synthetic fiber is provided. The suture includes a non-circular cross-section, and may further include maximal and minimal cross-sectional dimensions with the minimal cross-sectional dimension. The suture may further include a compressible width that supports knot formation and retention, and planar side surfaces that guide knot formation and curvatures. The suture may also include a series of microfilaments that define larger monofilaments or formations that are twisted or braided along the length of the suture.
A surgical suture of a synthetic fiber is provided. The suture includes a non-circular cross-section, and may further include maximal and minimal cross-sectional dimensions with the minimal cross-sectional dimension. The suture may further include a compressible width that supports knot formation and retention, and planar side surfaces that guide knot formation and curvatures. The suture may also include a series of microfilaments that define larger monofilaments or formations that are twisted or braided along the length of the suture.
A catalytic article that includes a porous composite with a plurality of support substrate particles non-covalently enmeshed within a porous fibrillated polymer matrix and a catalyst coating deposited on the support substrate particles. Methods for preparing the catalytic article and uses of the catalytic article in reactions are also provided.
Molds or mold inserts are implemented or installed in a mold apparatus for forming a polymeric product such as a tubing. The mold includes an outer component and an inner component. The outer component defines a first inner cavity having a first diameter, and the inner component is disposed at least partially inside the inner cavity of the outer component. The inner component has an inner surface which defines a second inner cavity having a second diameter smaller than the first diameter. In certain examples, the inner component is a single unitary piece. In some examples, the inner component includes a first subcomponent and a second subcomponent that couple together to define the second inner cavity through which a polymeric material is configured to pass during formation of the polymeric product.
Suprachoroidal implantable devices formed of a compliant material have an external surface and an opposing internal surface with varying porosity extending through the compliant material or presenting external and internal surfaces with differing porosities. The compliant material surfaces either facilitate or inhibit tissue ingrowth into the material. The device and methods of using the device reduce pressure in the eye by directing fluid through the compliant material.
A61F 9/00 - Methods or devices for treatment of the eyesDevices for putting in contact-lensesDevices to correct squintingApparatus to guide the blindProtective devices for the eyes, carried on the body or in the hand
A device for treating disease along a main vessel and at least one branch vessel extending from the main vessel includes a branch member for deployment in the branch vessel, the branch member having a branch lumen; and a main body for deployment in the main vessel. The main body has a generally tubular wall extending generally longitudinally between opposite first and second ends. The wall has an internal surface defining a main lumen and an opposite outer surface. The wall has a recessed portion that is recessed relative to the outer surface of the wall and positioned between the first and second ends of the main body. The main body has an opening formed in the recessed portion of the wall for receiving the branch member therethrough such that the branch lumen is in fluid communication with the main lumen.
A61F 2/844 - Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents folded prior to deployment
A61F 2/90 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
A61F 2/954 - Instruments specially adapted for placement or removal of stents or stent-grafts for placing stents or stent-grafts in a bifurcation
Molds or mold inserts are implemented or installed in a mold apparatus for forming a polymeric product such as a tubing. The mold includes an outer component and an inner component. The outer component defines a first inner cavity having a first diameter, and the inner component is disposed at least partially inside the inner cavity of the outer component. The inner component has an inner surface which defines a second inner cavity having a second diameter smaller than the first diameter. In certain examples, the inner component is a single unitary piece. In some examples, the inner component includes a first subcomponent and a second subcomponent that couple together to define the second inner cavity through which a polymeric material is configured to pass during formation of the polymeric product.
Suprachoroidal implantable devices formed of a compliant material have an external surface and an opposing internal surface with varying porosity extending through the compliant material or presenting external and internal surfaces with differing porosities. The compliant material surfaces either facilitate or inhibit tissue ingrowth into the material. The device and methods of using the device reduce pressure in the eye by directing fluid through the compliant material.
A61F 9/00 - Methods or devices for treatment of the eyesDevices for putting in contact-lensesDevices to correct squintingApparatus to guide the blindProtective devices for the eyes, carried on the body or in the hand
A garment (10) includes a first garment portion (22); a second garment portion (24); a third garment portion (26); a waterproof fastener system configured to join the first garment portion (22) and the second garment portion (24); and a non-waterproof fastener system (32) configured to join the first garment portion (22) and the third garment portion (26). The waterproof fastener system can be disconnected and rejoined without removing the third garment portion. The waterproof fastener system can include a first connection joining the first garment portion to the second garment portion. The non-waterproof fastener system can include a second connection (32) joining the first garment portion to the third garment portion. The second connection can be configured to withstand repeated repair and be disconnected and rejoined.
Various aspects of the present disclosure are directed toward apparatuses, systems, and methods that may include an inflow or outflow cannula apparatus.
Various aspects of the present disclosure are directed toward apparatuses, systems, and methods that may include an inflow or outflow cannula apparatus. A support structure of the cannula may include an elongate element having a rectangular cross-section, the elongate element being coupled to the exterior surface of a conduit of the cannula by a second graft component. A cannula may include a first stent element configured to facilitate folding of a first anchor portion toward an exterior surface of the conduit and adjacent a second stent element and the second stent element may be configured to facilitate folding of a second anchor portion toward the exterior surface of the conduit and adjacent the first stent element in a delivery configuration.
Apparatus and methods which can remove, for example, mercury (Hg) from industrial flue gases. An exemplary sorbent polymer composite (SPC) can include a polymer, a sorbent which has a microstructure, and a transition metal halide in the microstructure. The transition metal halide can include silver (Ag), iodine (I), or both (AgI). A method for producing the SPC can include applying a non-halide salt of a transition metal to a sorbent, applying a non-transition metal halide to the sorbent, so as to react the non-transition metal halide with the non-halide salt of the transition metal, thereby forming a transition metal halide within the microstructure of the sorbent.
B01D 53/64 - Heavy metals or compounds thereof, e.g. mercury
B01D 53/02 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography
B01J 20/02 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material
B01J 20/10 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
B01J 20/20 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbonSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
The invention relates to a sealing device for repair of cardiac and vascular defects or tissue opening such as a patent foramen ovale (PFO) or shunt in the heart, the vascular system, etc. and particularly provides an occluder device and trans-catheter occluder delivery system. The sealing device would have improved conformity to heart anatomy and be easily deployed, repositioned, and retrieved at the opening site.
A61B 17/00 - Surgical instruments, devices or methods
A61B 90/00 - Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups , e.g. for luxation treatment or for protecting wound edges
An occlusive device includes a covering component configured to modulate passage of blood or thrombus therethrough, and an occlusion frame that includes a plurality of elongate occlusion frame members. The elongate occlusion frame members are arranged to form a generally disc-shaped member. The occlusion frame is at least partially covered by the covering component. The device further includes an anchor frame that includes a plurality of elongate anchor frame members. The device further includes a first hub component from which the elongate frame members extend, and a second hub component from which the elongate frame members extend.
A61F 2/01 - Filters implantable into blood vessels
A61B 17/00 - Surgical instruments, devices or methods
A61B 17/12 - Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
40.
EXTERNAL STEERABLE FIBER FOR USE IN ENDOLUMINAL DEPLOYMENT OF EXPANDABLE DEVICES
The present disclosure describes treatment of the vasculature of a patient with an expandable implant. The implant is constrained to a reduced delivery diameter for delivery within the vasculature by at least one sleeve. The implant can be constrained to other diameters, such as an intermediate diameter. The sleeves can be expanded, allowing for expansion of the diameter of the expandable implant, by disengaging a coupling member from the sleeve or sleeves from outside of the body of the patient. The expandable implant can comprise a steering line or lines which facilitate bending and steering of the expandable implant through the vasculature of a patient.
Various aspects of the present disclosure are directed towards apparatuses, systems, and methods of preparing supported catalytic articles by dry mixing and thermal treatment. The method for preparing a supported catalytic article may include mixing a dry catalyst precursor, a dry support material, and a dry shape forming material to form a mixture, and calcining the mixture. The dry catalyst precursor may include a metal and a ligand.
Methods for manufacturing injector devices, including positioning a stopper of the injector device in a tubular member such that an outer side of the stopper is engaged with an inner surface of the tubular member and modifying the outer side of a stopper by causing relative motion between the stopper and the tubular member, the relative motion including one or both of rotational motion and vibrational motion.
There is provided a membrane electrode assembly (MEA) for an electrochemical devices, such as for fuel cells and electrolyzers, particularly for polymer electrolyte membrane (PEM) fuel cells, said membrane electrode assembly comprising a composite electrolyte membrane comprising a reinforced electrolyte layer comprising at least one porous support, the porous support being at least partially imbibed with a first ion exchange material; and a first electrode comprising a reinforced electrode layer comprising a porous support, the porous support being at least partially imbibed with a first catalyst and a second ion exchange material, wherein the composite electrolyte membrane is in contact with the first electrode. Also provided is a composite electrolyte membrane, which can be used in the manufacture of the membrane electrode assembly and a fuel cell and electrolyzer comprising such a membrane electrode assembly. A method for the manufacture of the membrane electrode assembly, and a membrane electrode assembly obtainable by such a method are also disclosed.
Some aspects of the disclosure relate to structures, systems, and methods for cultivating marine macroalgae (seaweed), specifically the cultivation of the macroalgae genus Pyropia. The structures, systems and methods disclosed herein provide for increased seeding density, growth rate and yield of cultivated Pyropia.
A01G 24/30 - Growth substratesCulture mediaApparatus or methods therefor based on or containing synthetic organic compounds
A01G 24/48 - Growth substratesCulture mediaApparatus or methods therefor characterised by their structure containing foam or presenting a foam structure
A01D 44/02 - Harvesting of underwater plants, e.g. harvesting of seaweed of laver
46.
IMPLANTABLE MEDICAL DEVICES AND WIRELESS SENSOR ATTACHMENT
Embodiments of the present disclosure relate to implantable medical devices configured to be implanted within a heart with anchor arrangements that reduce or eliminate signal transmission interference of the sensor. The implantable medical devices may include a sensor configured to sense physiological parameters of the heart and a housing comprising a transmitter and an antenna. An anchoring device formed by one or more wound wires including an engagement component is arranged around at least a portion of the housing a first frame component, a second frame component. The first frame component, the second frame component, or the first frame component and the second frame component comprise a first end separated from a second end to form a discontinuous loop and are formed from a conductive material.
Various aspects of the present disclosure are directed toward apparatuses, systems, and methods that include an anchoring implantable medical device configured to anchor an implantable medical device.
A61B 17/12 - Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
A61M 27/00 - Drainage appliances for wounds, or the like
48.
Articles containing expanded poly (tetramethyl-p-silphenylenesiloxane) and methods for producing the same
Poly(tetramethyl-p-silphenylenesiloxane) (PTMPS) membranes and porous articles made therefrom that have a matrix tensile strength in at least one direction from about 1 MPa to about 50 MPa, a matrix modulus greater than about 100 MPa in at least one direction, a porosity greater than about 30%, and a microstructure of nodes interconnected by fibrils are provided. The PTMPS polymer forming the PTMPS membranes and porous articles has a crystallinity of at least about 70%, a polydispersity from 1 to 5, and a weight average molecular weight from about 350 kDa to about 5 MDa. The PTMPS membranes may be asymmetric, meaning that the observed pore structure on one side of the PTMPS membrane is different than the pore structure on the opposing side of the PTMPS membrane. Methods of forming porous PTMPS articles are provided. Dense PTMPS articles and methods of making the same are also provided.
There is provided a vent assembly unit for use in an electronic housing, the vent assembly unit comprising an enclosing element and a vent assembly, the vent assembly comprising a first permeable layer, a substantially impermeable acoustic membrane, a second permeable layer, and an acoustic transducer; the first permeable layer positioned on a first side of the substantially impermeable acoustic membrane and the second permeable layer positioned on a second side of the substantially impermeable acoustic membrane; an acoustic volume is defined between the substantially impermeable acoustic membrane, the second permeable layer and the acoustic transducer; wherein the vent assembly unit is configured to be installed over an aperture in an enclosed container such that the enclosing element isolates the vent assembly from the internal volume of the enclosed container and a contained volume is defined between the vent assembly and the enclosing element, the vent assembly being configured during use such that an air pathway is provided from external of the enclosed container to the acoustic volume through the first permeable layer, through the contained volume and through the second permeable layer to the acoustic volume.
There is presented herein a closed container comprising at least one container wall, a seam connecting two edges of the at least one container wall and a vent, wherein at least a portion of the seam is formed around the vent.
22 - Rope, netting, tents, awnings, sails and sacks; padding and stuffing materials
24 - Textiles and textile goods
25 - Clothing; footwear; headgear
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
11 - Environmental control apparatus
15 - Musical instruments
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Bivy bags, namely, bivouac sacks being shelters; tents; camouflage unfitted covers for sleeping bags, tarpaulins; synthetic fibers for braiding into industrial packings; plastic filaments and synthetic fibers for use in the manufacture of fabric; non-woven polymeric fiber for use in the manufacture of fabric; synthetic fibers for textile use; covers in the nature of compost containers for facilitating decomposition for agricultural and industrial use Fabric made of polytetrafluoroethylene and fiberglass for use in the manufacture of industrial or architectural products; textile shoe lining fabric; loosely woven synthetic fiber fabrics, namely, scrim; camouflage fitted covers for sleeping bags; bivy bags, namely, bivouac sacks being sleeping bags Clothing, namely, headwear, footwear, coats, jackets, parkas, vests, pants, shirts, sweaters, skirts, shorts, gloves, mittens, jumpsuits, coveralls, gaiters, rain suits, athletic wear, namely, singlets, shorts, leg warmers, knee warmers, neck gaiters, and headbands, fishing waders, and undergarments; protective clothing for protection against contact from blood-borne pathogens and body fluids, namely, pants, coats, footwear, coveralls, jackets, gloves, mittens, pants, parkas, vests, jumpsuits, rain suits, head wear, glove liners Protective clothing for protections against accident or injury from chemicals, and fire, namely, pants, coats, footwear, coveralls, jackets, gloves, mittens, pants, parkas, vests, jumpsuits, rain suits, head wear, glove liners; electrical connectors; coaxial cables and assemblies, namely, cable connectors; fiber optic cables and assemblies, namely, cable connectors; cable assemblies, namely, cable connectors; electrical interconnect, namely, cable connectors, for use in electronic equipment such as printed circuit boards; transmission line cable assemblies, namely, cable connectors; shielded electrical wires and cables; electrochemical electrodes used as part of fuel cell and other electrochemical cells, namely, cells and batteries; electronic enclosures in the nature of electronic cases for phones and other small electronic devices, namely, audio speaker enclosures, underwater cameras, computer hard drives, environmental enclosure structures specially adapted to hold and protect cameras from outdoor elements and tampering; surface mount (SMT) electromagnetic interference (EMI), and radio frequency (RF) grounding pads; electromagnetic interference board level shield; acoustic protective covers for the protection of microphones and speakers; acoustic materials in the nature of acoustic membranes; pressure vents in the nature of vent caps and moisture management devices in the nature of vents and cooling filters, all for cameras, sensors, and solar, industrial, and automotive electronic enclosure; capacitors; air filters for use in electronic equipment, namely, military use, audible commercial applications, and appliances; air filters for vents for electronic components being electronic control units, automotive sensors, exterior lighting, motors, powertrains and acoustic systems for use in land vehicles, not being engine parts; thermally conductive materials being foil element circuits for consumer electronics, automotive electronics, and industrial electronic enclosures; dry suits Artificial vascular grafts; surgical implants, namely, expanded polytetrafluoroethylene in the forms of sheets, patches, membranes, tubes and fibers for use in the reconstruction and/or repair of body parts; surgical implants composed of artificial materials, namely, synthetic bio-absorbable material for use in the regeneration of soft and hard body tissue; catheters; catheter balloons; strip of polymeric material used to reinforce staples and sutures in a surgical site; surgical instruments, namely, suture passer and introducer sheath; stents; synthetic stent-grafts; endoprosthesis; medical device, namely, hernia plug for the repair of hernias; blood filter; ultrasound probe assemblies for medical use; membranes for use as filters in medical equipment, namely, blood filters Filter bags and filter cartridges for use in industrial gas or liquid filtration; air filtering machines for industrial use; air filters for use in electronic equipment, namely, air conditioning units, electronic equipment in industrial installations, consumer appliances; filtration membranes consisting of porous sheets and films of various thickness and densities for air and water filter devices, namely, filters, filter cartridges, filter cloths; membrane filter cartridges for the separation of biomolecules in biopharmaceutical production equipment; membranes filters for water filtering apparatus Strings for musical instruments Plastic membrane material in sheet form for use in the further manufacture of chemical separation and electrochemical applications; thermal interface materials made of plastic, namely, low thermal resistance interface pads, tapes, sheets, and films for use as heat transfer interfaces between electronic components and thermal dissipation members; plastics in the form of sheets for use in manufacturing; braided plastic fibers for industrial packings; nonmetal synthetic gaskets and mechanical seals for use in the aerospace industry; plastic gaskets for use in electrical equipment, namely, gasketing in cell phones to prevent electromagnetic interference; expanded PTFE sold in the form of film, tubing, rods and other shapes for use in the industrial arts; plastic tube for chemical fluid transfer; gaskets, seals and packing materials, namely, fluoropolymers; synthetic gaskets in strip form, plastic or pre-cut shapes and sheets for use in the aerospace, telecommunications and electronics industries; gaskets in sheet form for industrial process equipment; plastic tape for use in spiral wound gaskets for such uses as preventing leaks of volatile chemicals; plastic gasket tape for use in industrial and chemical applications for preventing leaks; nonmetallic packing material for forming seals for pumps and valves; polymeric filter media sold in rolls, sheets and films for domestic and industrial filtration; polymeric material, namely, fluoropolymer materials in the form of plastic fiber for use in the manufacture of dental floss; polymeric filter media, namely, porous fluoropolymer, sold in rolls, sheets and films used in the manufacture of venting; fluoropolymers in the form of films, sheets for vents for pharmaceutical packaging; insulation, namely, insulating coverings for electronic conductors, namely, wire; electrical insulators in the form of liquid polymer preparations for use in the electronic industry; plastic packing containers for shipping food, pharmaceutical and biological product; adhesive tape for industrial use, namely, tape for sealing joined pieces of fabric; fluoropolymer in the form of sheets, patches, membranes, tubes and fibers for use in permanent and temporary implantable and non-implantable medical applications; thermally insulative materials for consumer electronics, automotive electronics, and industrial electronic enclosures
54.
HIGHLY TRANSMISSIVE PTFE DENSE FILM WITH TUNABLE HAZE AND COLOR
Dense polytetrafluoroethylene films as well as methods for preparing the present materials are provided having superior optical properties (highly transmissive, low haze, low yellowness) in combination with desirable mechanical properties (such as flexibility, strength, and durability). The highly transmissive dense films are suitable for use in a variety of optical applications, such as a cover layer for a screen in a portable electronic device.
Endoluminal introducer sheaths and methods of forming the same are disclosed. The introducer sheath includes a first polymer layer, a second polymer layer, and at least two longitudinal support elements positioned between the first and second polymer layers. The longitudinal support elements are configured to provide columnar strength to facilitate advancement of the endoluminal introducer sheath into a vessel without substantial longitudinal compaction.
A novel modified treated porous polyethylene membrane is imbibed with a hydrophilic polymer and heat treated to form a film having improved hand and noise. The films are useful to produce articles, especially textile laminates that can form waterproof breathable apparel.
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
In one aspect, the present invention provides a device for occluding an aperture in a body, for example, a patent foramen ovale (PFO), including a first side adapted to be disposed on one side of the septum and a second side adapted to be disposed on the opposite side of the septum. The device has an elongated, low-profile delivery configuration and a shortened, radially expanded deployment configuration. The first and second sides are adapted to occlude the aperture upon deployment of the device at its intended delivery location. The device also includes a radially expandable center portion. In some embodiments, the center portion includes a plurality of ribs provided by slits in device. The ribs expand radially when the device is deployed. The expandable center portion facilitates the positioning of the device in the aperture. The device can be secured in the deployed configuration using a catch system.
A stopper for use in injector devices, where the stopper having an outer side configured for engagement with an interior bore of a barrel of the injector device. The stoppers may include an elastomer body, a multi-layer barrier coupled to the elastomer body, the multi-layer barrier having an inner surface oriented toward the elastomer body and an outer surface oriented away from the elastomer body, the multi-layer barrier including a first layer and a second layer, the first layer defining the inner surface and the second layer defining the outer surface, and the multi-layer barrier having at least one micro feature formed by the first layer, the at least one micro feature including one or both of a micro groove and/or a micro rib.
B32B 1/00 - Layered products having a non-planar shape
B32B 3/10 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. apertured or formed of separate pieces of material
B32B 3/30 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids characterised by a layer formed with recesses or projections, e.g. grooved, ribbed
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
Techniques and features for reduction of air potentially released during endoluminal device (e.g., thoracic aortic stent-graft device) deployment. Also addressed are methods for quantifying efficacy of pre-treatment techniques and features for reducing said air. Such air reduction can help reduce risk of air embolization during device (e.g., implant, such as stent-graft) deployment which could potentially decrease the risk of negative effects from such embolization.
A61F 2/966 - Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
Carbon dioxide sorbent article assemblies and methods of manufacturing the same include: separable sheets of sorbent article disposed adjacent to each other to define a gap between adjacent separable sheets, the gap being maintained uniformly between opposing surfaces of adjacent separable sheets to define a passage extending between adjacent separable sheets from an inlet of the separable sheets to an outlet of the separable sheets; and a support framework supporting the separable sheets to maintain the gap, the support framework having a gap-maintaining component extending from the support framework along at least one separable sheet to maintain an initial position of the separable sheet.
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
65.
AIR RELEASE QUANTIFICATION AND BACK-BLEED FLUSHING TECHNIQUES AND FEATURES FOR ENDOPROSTHESIS DELIVERY SYSTEM
Techniques and features for reduction of air potentially released during endoluminal device (e.g., thoracic aortic stent-graft device) deployment. Also addressed are methods for quantifying efficacy of pre-treatment techniques and features for reducing said air. Such air reduction can help reduce risk of air embolization during device (e.g., implant, such as stent-graft) deployment which could potentially decrease the risk of negative effects from such embolization.
A61F 2/966 - Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
66.
CARBON DIOXIDE SORBENT ARTICLE ASSEMBLIES WITH COMPONENTS TO MAINTAIN GAPS BETWEEN SEPARATE SHEETS OF SORBENT ARTICLE
Carbon dioxide sorbent article assemblies and methods of manufacturing the same include: separable sheets of sorbent article disposed adjacent to each other to define a gap between adjacent separable sheets, the gap being maintained uniformly between opposing surfaces of adjacent separable sheets to define a passage extending between adjacent separable sheets from an inlet of the separable sheets to an outlet of the separable sheets; and a support framework supporting the separable sheets to maintain the gap, the support framework having a gap-maintaining component extending from the support framework along at least one separable sheet to maintain an initial position of the separable sheet.
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
Vascular filtering devices and methods for their use are disclosed. In some embodiments, the vascular filtering devices include an elongate member having an unsupported membrane bag portion attached thereto. The membrane may be porous in some examples. Multiple elongate extensions may also extend from the membrane, and may extend along the elongate member, such as to a proximal region of the elongate member. The unsupported membrane bag portion may be configured to inflate or otherwise radially expand away from the elongate member as a result of blood flowing through the vessel within which the vascular filtering device is positioned.
There is described a vent comprising a vent housing, the vent housing comprising a top portion and a base portion and at least one exterior aperture, the base portion comprising a vent aperture covered by a membrane within the vent housing, the top portion being fixed to the base portion such that a channel is formed from the at least one exterior aperture to the vent aperture through the membrane such that during use gas may flow from the vent aperture through the membrane to the at least one exterior aperture through the channel, wherein at least one opening is defined between the top portion and the base portion within the channel between the at least one exterior aperture and the vent aperture and the at least one opening has a minimum dimension of less than 0.6 mm.
Disclosed are processes and systems using asymmetric membranes for forming a plurality of particles such as liposomes, solid-lipid nanoparticles, solid nanoparticles, polymeric nanoparticles, or micelles. The membrane may have a bubble point of from 34.5 kPa to 1380 kPa, may be fibrillated and may further include a hydrophilic coating.
A61K 9/127 - Synthetic bilayered vehicles, e.g. liposomes or liposomes with cholesterol as the only non-phosphatidyl surfactant
B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
A syringe for storing and delivering a fluid that includes (1) a stopper and (2) a plunger rod assembly is provided. The plunger rod assembly includes a plunger rod and a threaded member at a plunger-engaging end. The stopper may be formed of an elastomeric material. The stopper has an exterior surface and an inner cavity. The inner cavity of the stopper may have a generally frustoconical shape with at least one engagement surface. The threaded member contacts at least one engagement surface in the inner cavity of the stopper to support the plunger rod assembly in an integrated, non-threaded engagement with the stopper. In some embodiments, the threaded member is freely rotatable within the inner cavity.
A nickel-titanium alloy with an average grain size of between 0.2 and 10 microns and a recoverable strain of greater than 9% is disclosed herein, in which the alloy is formed using a method which involves applying a shape set heat treatment to the nickel-titanium alloy. The heat treatment includes applying heat at a temperature between 225° C. and 350° C. for a period of time between 20 and 240 minutes.
C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
C22F 1/10 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
C22F 1/18 - High-melting or refractory metals or alloys based thereon
An endoscopic gastric apparatus including an applier having a distal end and a proximal end. The applier further includes two gastric wall engagement elements opposing one another and in cooperative arrangement for engaging an anterior gastric wall and a posterior gastric wall into abutment and deploying a plurality of tissue fasteners, simultaneously or sequentially. and adapted for applying the tissue fasteners to fix the anterior and posterior gastric walls together for the creation of a septum within a stomach. The septum allows for fluid communication between cavities through a pathway defined by the septum adjacent the antrum.
A61B 17/00 - Surgical instruments, devices or methods
A61B 17/04 - Surgical instruments, devices or methods for closing wounds or holding wounds closedAccessories for use therewith for suturing woundsHolders or packages for needles or suture materials
A61B 17/072 - Surgical staplers for applying a row of staples in a single action, e.g. the staples being applied simultaneously
81.
LAYERED PRODUCT WITH FUNCTIONAL MEMBRANE, FOOTWEAR COMPRISING SUCH LAYERED PRODUCT, AND MANUFACTURING METHOD
A layered product (1) comprises a waterproof and water vapor permeable membrane (4) having a first side (41) and a second side (42), the membrane comprising a membrane material (40, 40a, 40b) which is waterproof and water vapor permeable, and thermoplastic material (3) which covers at least a portion of the first side (41) of the membrane (4) and is formed by at least one three-dimensional build layer (3-1 to 3-n) printed onto the first side (41) of the membrane such that the thermoplastic material (3) of the at least one three-dimensional build layer (3-1 to 3-n) is bonded to the membrane material (40, 40a, 40b) of the membrane. The layered product can be part of footwear, such as a bootie or upper material.
B29C 64/106 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
B29L 31/50 - Footwear, e.g. shoes or parts thereof
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
According to the invention there is provided inter alia a process for the manufacture of a solid object having a surface comprising a layered coating of cationic and anionic polymer wherein the outer coating layer comprises an anticoagulant entity, comprising the steps of:
i) treating a surface of the solid object with a cationic polymer;
ii) treating the surface with an anionic polymer;
iii) optionally repeating steps i) and ii) one or more times;
iv) treating the surface with a cationic polymer; and
v) treating the outermost layer of cationic polymer with an anticoagulant entity, thereby to covalently attach the anticoagulant entity to the outermost layer of cationic polymer; wherein, the anionic polymer is characterized by having (a) a total molecular weight of 650 kDa-10,000 kDa; and (b) a solution charge density of >4 μeq/g; and wherein, step ii) is carried out at a salt concentration of 0.25 M-5.0 M.
A61L 33/00 - Antithrombogenic treatment of surgical articles, e.g. sutures, catheters, prostheses, or of articles for the manipulation or conditioning of bloodMaterials for such treatment
A durable pollution control systems, articles, and methods for removing multiple flue gas pollutants. The pollution control system includes an article comprising a sorbent polymer composite (SPC), including a sorbent material and a polymer material; wherein the SPC material is in the form of a sheet, and wherein the sheet has a smooth surface. The sorbent polymer composite may have a smooth surface, as measured by the Surface Optical Smoothness Measurement provided herein.
B01D 53/02 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography
B01J 20/20 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbonSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
Disclosed herein are devices, systems, and methods relating to steerable catheters. A steerable catheter includes a first actuation line, an inner catheter, and an outer catheter. The inner catheter has an inner catheter proximal end, an inner catheter distal end, an inner catheter outer surface defining a keyway that is longitudinally-extending, and an inner catheter inner surface defining an inner catheter lumen. The outer catheter has an outer catheter proximal end, an outer catheter distal end, an outer catheter outer surface, and an outer catheter inner surface defining an outer catheter lumen and a spline that is longitudinally-extending and that projects radially inward into the outer catheter lumen. The outer catheter lumen is operable to receive the inner catheter with the spline of the outer catheter operable to key with the keyway of the inner catheter. The spline defines a spline lumen operable to receive the first actuation line.
Described embodiments are directed toward an embolic filter system. The embolic filter system generally includes an elongate element having a first end and a second end and an embolic filter assembly comprising a frame having a capture section distal to the attachment section, the capture section including a plurality of strut elements arranged to define a plurality of cells having cell ends and at least one flexion element operably coupled to and between cell ends of two adjacent cells of the plurality of cells such that the frame is operable to bend between the cell ends.
An implantable medical device including an expandable device having a longitudinal length and operable to be compressed to a first diameter and deployed to a second diameter, wherein the second diameter is greater than the first diameter, and wherein a first portion that is less than the longitudinal length of the expandable device and a second portion that is less than the longitudinal length of the expandable device are defined on the expandable device. The medical device includes a first constraining member operable to constrain the first portion of the expandable device at the first diameter; a second constraining member operable to constrain the second portion of the expandable device at the first diameter.
The present disclosure is directed to organic field effect transistors (OFETs) that include substrate/gate electrode, a thermally deposited oxide layer, at least one dielectric semicrystalline polymer membrane that has a fibrillated microstructure, a semiconducting polymer, a source electrode, and a drain electrode. The dielectric semicrystalline polymer membrane may be porous. In some embodiments, the total membrane thickness of the dielectric semicrystalline polymer membrane is from 1 micron to 100 microns. Additionally, the dielectric semicrystalline polymer membrane may be expanded in the machine direction or transverse direction (either sequentially or simultaneously). The OFETs may be thermally annealed at a temperature up, but not including, the melt temperature of dielectric polymer used to form the dielectric semicrystalline polymer membrane. Composite articles may be formed that include a composite polymer. The OFETs demonstrate an enhanced gas sensitivity, temperature stability, and charge stability.
G01N 27/12 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluidInvestigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon reaction with a fluid
Various aspects of the present disclosure are directed towards apparatuses, systems, and methods of preparing catalytic articles. The method for preparing a catalytic article may include loading a mixture including a dry catalyst precursor and a dry support material on a porous substrate, covering the porous substrate to form a covered mixture, and calcining the covered mixture to form the catalytic article having supported catalyst articles enmeshed within the porous substrate.
The present invention discloses a method of making a fuel cell component, the method comprising:
(i) providing a substrate;
(ii) providing a coating composition;
(iii) providing apparatus comprising a slot die configured for intermittent delivery of the coating composition to the substrate for forming an electrode on the substrate,
(iv) wherein the forming includes intermittently depositing the coating composition on the substrate; and
(iv) wherein the slot die is moveable between a non-coating position in which the slot die is in a first pre-determined distance relative to the substrate; and a coating position in which the slot die is in a second pre-determined distance relative to the substrate; and wherein the forming step further comprises
(v) configuring the slot die for predetermined intermittent delivery of coating composition to produce an electrode on the substrate when the slot die is in the coating position.
B05D 1/26 - Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
A stopper for use in an injector device, the stopper having an outer side configured for engagement with an interior bore of an injector device barrel, includes an elastomer body and a barrier coupled to the elastomer body, the barrier having an inner surface oriented toward the elastomer body and an outer surface oriented away from the elastomer body, the barrier including a first layer of a first material and a second layer of a second material, the first layer being configured to be activatable by an energy source and the second layer configured to be less activatable by the energy source than the first layer.
Apparatuses, systems, and methods that include an anastomosis device are provided. The anastomosis device may include a first engagement element including a first face configured to engage an interior surface of a first lumen and a second engagement element including a second face configured to engage an interior surface of a second lumen. The second engagement element may be operable to be positioned opposite the first engagement element in a cooperative arrangement and such that a target tissue is defined therebetween. The anastomosis device may further include on at least one of the first face and the second face, a treatment media delivery system operable to deliver a treatment media to the target tissue, an energy transmitter operable to deliver energy to activate the treatment media, and a tissue cutter operable to form an opening through the target tissue to define an aperture between the first and second lumen.
A61B 17/11 - Surgical instruments, devices or methods for closing wounds or holding wounds closedAccessories for use therewith for performing anastomosisButtons for anastomosis
The present disclosure relates to a nonwoven article comprising an intumescent material, activated carbon, sorbents, super absorbent polymers or a combination thereof. These articles can be useful for a number of articles including fire retardant laminates, filter layers, and absorbing wipes.
D04H 1/407 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties containing absorbing substances, e.g. activated carbon
D04H 1/413 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties containing granules other than absorbent substances
D04H 3/00 - Non woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
95.
STENT GRAFT WITH FEATURES FOR SIDE BRANCH VESSEL PERFUSION
An endovascular treatment system (e.g., for treating aortic aneurysms) including branch features for perfusing branch vessels, such as the renal, celiac, and mesenteric arteries.
An endovascular treatment system (e.g., for treating aortic aneurysms) including branch features for perfusing branch vessels, such as the renal, celiac, and mesenteric arteries.
A drainage device for draining a biological fluid from an eye to a tissue external to the eye is implantable at least in part within a tissue of the eye. The drainage device includes a body portion which includes a membrane having a first surface with a first porosity and a second surface with a second porosity greater than the first porosity, and a plate having a porosity less than the first porosity. The membrane is more flexible than the plate and has a first thickness from 25µm to 125µm. The plate has a second thickness from 0.8mm to 2.0mm. The membrane and plate define a reservoir. A conduit fluidly coupled with the reservoir and insertable into the eye facilitates drainage of fluid into the conduit. The second surface of the membrane includes ingrowth surface region(s) for facilitating ingrowth of tissue external to the eye.
A drainage device for draining a biological fluid from an eye to a tissue external to the eye is implantable at least in part within a tissue of the eye. The drainage device includes a body portion which includes a membrane having a first surface with a first porosity and a second surface with a second porosity greater than the first porosity, and a plate having a porosity less than the first porosity. The membrane is more flexible than the plate and has a first thickness from 25 μm to 125 μm. The plate has a second thickness from 0.8 mm to 2.0 mm. The membrane and plate define a reservoir. A conduit fluidly coupled with the reservoir and insertable into the eye facilitates drainage of fluid into the conduit. The second surface of the membrane includes ingrowth surface region(s) for facilitating ingrowth of tissue external to the eye.
A sensor harness for use with a garment, and a method for manufacturing a sensor harness. The sensor harness includes at least first and second flexible limb webbing sections extending from a flexible trunk webbing section, each comprising a flexible base and a plurality of flexible conductive wires attached to the base. One or more breakouts are on the webbing sections. Each breakout comprises one or more wire end sections of the plurality of conductive wires, and each of the wire end sections is free from attachment to the base. A junction module couples the wire end sections of the webbing sections at a breakout. One or more electronic modules attached at breakouts are coupled to the wire end sections. Embodiments may include a connector plug attached to a breakout on a webbing section. The connector plug is configured to electrically couple the sensor harness to an electronic component.
