Devices and methods for anchoring surgical sutures are provided. In general, a device as described includes an anchor assembly formed of a plurality of rigid anchor segments including a proximal segment and a distal anchor segment comprising a force transferring element, and at least one segment having at least one interdigitation element configured to create an engagement force between the at least one segment and a tissue. The device further includes a flexible member linking the plurality of anchor segments and configured to transition the anchor from a first, flexible configuration when the flexible member is in a relaxed state to a second, substantially rigid configuration when the flexible member is in a taut state.
A61B 17/04 - Surgical instruments, devices or methods, e.g. tourniquets for closing wounds, or holding wounds closed, e.g. surgical staples; Accessories for use therewith for suturing wounds; Holders or packages for needles or suture materials
A61B 17/16 - Osteoclasts; Drills or chisels for bones; Trepans
A trialing and preparation system for preparing a disc space between two adjacent vertebrae is provided. The system includes a guide shaft, a trialing cage or spacer, a scraper and a driving shaft. The guide shaft supports the trialing spacer within the disc space and may include an angular adjustment for such access. The scraper sleeves over the guide shaft into an abutting relationship with the adjacent vertebrae. The driving shaft is coupled to the scraper by a pivoting and reciprocation mechanism that allows angular adjustment of the scraper. Also, reciprocation of the driving shaft reciprocates the scraper through a limited sweep of motion to remove osteophytes from the vertebrae.
Methods and devices are provided for forming bone tunnels. In general, the methods and devices allow multiple converging tunnels to be formed in bone, such as in an arthroscopic surgical procedure, e.g., a rotator cuff repair surgical procedure. One or more sutures can be advanced through the converging tunnels, and the suture(s) can be coupled to tissue. The suture(s) with the tissue coupled thereto can be tensioned, thereby helping to maximize an amount of the tissue in contact with the bone. In an exemplary embodiment, a guide device is provided that can be configured to allow a first tunnel to be formed in bone and to allow a plurality of additional tunnels to be formed in the bone at predetermined angular positions relative to the first tunnel such that each of the additional tunnels can extend transverse to the first tunnel and intersect the first tunnel.
A61B 17/58 - Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or the like
A61B 17/60 - Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or the like for external osteosynthesis, e.g. distractors or contractors
A61F 2/00 - Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
A61B 17/16 - Osteoclasts; Drills or chisels for bones; Trepans
A61B 17/04 - Surgical instruments, devices or methods, e.g. tourniquets for closing wounds, or holding wounds closed, e.g. surgical staples; Accessories for use therewith for suturing wounds; Holders or packages for needles or suture materials
Methods and devices are provided for securing suture to tissue. In one exemplary embodiment, the implant can include an intermediate portion, a first radially expandable portion extending from the intermediate portion, and a second radially expandable portion extending from the intermediate portion. The implant can be configured to be inserted through a delivery device in a first configuration and deployed into a hole formed in tissue in a second configuration such that the intermediate portion is positioned within the hole. A suture can be inserted through a passageway of the intermediate portion positioned within the hole, and the suture can be tensioned to secure the tissue to bone.
A61B 17/04 - Surgical instruments, devices or methods, e.g. tourniquets for closing wounds, or holding wounds closed, e.g. surgical staples; Accessories for use therewith for suturing wounds; Holders or packages for needles or suture materials
An obturator provides access to a joint through a capsule surrounding the joint. A distal end of the obturator has a first distal location with a first width dimension and a second distal location with a second width dimension, wherein the second distal location is proximal to the first distal location and the second width dimension greater than the first width dimension. A retractable blade can extend from the obturator to be exposed between the first distal location and the second distal location.
A device (1) for bone joint distraction includes a first bone plate (3) for insertion on a first side of the bone joint, a second bone plate (20) for insertion on a second side of the bone joint, a first elongated rod (9) insertable into the bone joint, wherein the first bone plate is non-rotatably coupled to the first rod, and a second elongated rod (8) insertable into the bone joint, wherein the second bone plate is rotatably coupled to the second rod, the first and second bone plates being movable relative to one another within a predetermined range of movement in a plane including longitudinal axes of the first and second rods to distract the joint.
A surgical impact tool comprises an electromagnetic impactor hermetically sealed within a sterilizable housing having one or more external mechanical coupling for transmitting an impact to an object external to the tool. The housing also contains an energy storage medium rechargeable through the hermetic seal, and electronic controls operable through the hermetic seal.
A system (1) is provided for inserting and securing, through a suprapatellar region (SR) of a leg, a nail (300) into a medullary canal (C) of a bone. The system can include a flexible sleeve (40) configured to be partially inserted in the leg. The flexible sleeve can define a leading end (44) and a trailing end (42) spaced apart from the leading end along a first axis (P1). The flexible sleeve can define a first cannulation (45) that extends along the first axis between the leading and trailing ends. The first cannulation can be sized to receive therethrough at least the intramedullary nail. The system can further include a retaining member (50) configured support at least a portion of the flexible sleeve. The retaining member can be configured to position the flexible sleeve through the suprapatellar region of the leg such that the flexible sleeve leading end is aligned with the proximal end of the bone. The intramedullary nail can be insertable through the flexible sleeve and into the medullary canal.
An implant for treating a bone includes an outer sleeve extending longitudinally from a proximal end to a distal end and including a lumen extending therethrough and an inner element sized and shaped to be slidably received within the lumen of the outer sleeve, the inner element extending longitudinally from a proximal end received within the lumen to a distal end including a bone-engaging element, the implant movable between an expanded configuration in which the inner element is in a distal-most position relative to the outer sleeve and a shortened configuration in which the inner element slides proximally relative to the outer element.
An intramedullary nail includes a longitudinal core (102) extending along a longitudinal axis from a proximal portion of the nail to a distal portion thereof, the core including a plurality of interlocking features (116) around a circumference thereof and a polymeric casing (104) extending about at least a portion of the circumference of the core in¬ cluding the interlocking features to mechanically interlock the casing and the core, at least a portion of a length of the core being embed¬ ded within the casing offset from a longitudinal axis of the nail so that a thickness of casing varies about a circumference of the nail, a max¬ imum thickness of the casing being located at a site at which a poly¬ meric locking element is to be bonded to the nail.
An injectable hydrogel composition comprising: water; and polyvinyl alcohol) chemically cross-linked with a second polymer to form a cross-linked resin, wherein the second polymer is selected from the group consisting of: a polyhydric alcohol compound, a polyvalent epoxy compound, a polyvalent amine compound, a dialdehyde compound, a diisocyanate compound, and mixtures thereof, wherein the cross-linked resin has a degree of cross-linking of from about 0.0001 mol/mL to about 0.002 mol/mL, and wherein the hydrogel is flowable when heated above its melting point.
A61F 2/00 - Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
A61L 24/00 - Surgical adhesives or cements; Adhesives for colostomy devices
An anchoring device includes (a) a flexible member extending from a proximal end to a distal end and (b) an elongated anchor member extending from a first end to a second end and attached to the distal end of the flexible member such that the anchor member is movable between an insertion configuration in which the anchor member is substantially parallel to the flexible member and a locked configuration in which the anchor member is substantially perpendicular to the flexible member in combination with (c) a flexible removal element extending from a proximal end to a distal end attached to the first end of the anchor member.
A61B 17/04 - Surgical instruments, devices or methods, e.g. tourniquets for closing wounds, or holding wounds closed, e.g. surgical staples; Accessories for use therewith for suturing wounds; Holders or packages for needles or suture materials
A device for compressing fractured portions of a bone includes (a) first (104 a) and second (104 b) jaws movable relative to one another to compress fractured portions of a bone therebetween, the first and second jaws being connected to one another such that bone gripping portions thereof remain parallel to one another throughout a permitted range of motion of the first and second jaws and (b) a first guide sleeve (106 a) attached to the distal end (116) of the first jaw and a second guide sleeve (106 b) attached to the distal end (116) of the second jaw. The first and second guide sleeves have central axes coaxial with one another.
A catheter guiding device includes a bolt including a shaft configured to be inserted within a hole drilled in a bone and a passageway extending longitudinally therethrough along a bolt axis and a guide member received within the passageway of the bolt and extending longitudinally along a guide axis. The guide member includes a guide channel extending therethrough along the guide axis, wherein, in a first configuration, the guide member is arrangeable to a desired position relative to the bolt to align the guide axis with a target area and, in a second configuration, the guide member is fixed in the desired position relative to the bolt such that the guide axis is at a desired angle relative to the bolt axis within a permitted range of angulations.
A61B 19/00 - Instruments, implements or accessories for surgery or diagnosis not covered by any of the groups A61B 1/00-A61B 18/00, e.g. for stereotaxis, sterile operation, luxation treatment, wound edge protectors(protective face masks A41D 13/11; surgeons' or patients' gowns or dresses A41D 13/12; devices for carrying-off, for treatment of, or for carrying-over, body liquids A61M 1/00)
A bone fixation device includes an aiming guide (100 ) extending from a first end to a second end, the aiming guide having a plurality of aiming holes (112 ), each aiming hole extending through the aiming guide from a proximal face to a distal face along a corresponding aiming hole axis and a bone implant ( 200 ) having a proximal face facing the aiming guide and a distal face which faces a target portion of bone, the implant including a plurality of implant holes ( 202 ) each extending through the implant from the proximal face to the distal face, an implant hole axis of each of the implant holes being aligned with the aiming hole axis of a corresponding one of the aiming holes. A first connecting bar (114 ) is integrally formed with the aiming guide and bone implant to space the distal face of the aiming guide from the proximal face of the implant.
A device for treating a bone includes (a) an elongate body sized and shaped for insertion into a bone and extending longitudinally from a proximal end to a distal end, the elongate body including a channel extending therethrough and a coating along an outer surface thereof, the coating adapted to absorb a selected frequency of light such that, when the selected frequency of light is applied thereto, portions of the coating melt to form a mass; and (b) a first anchor member slidably mountable over the elongate body and movable therealong from a first position at the proximal end of the elongate body to a second position adjacent a bone into which the elongate body has been inserted to cooperate with the mass to fix the elongate body to the bone.
A posterior vertebral plating system comprising a plate and a plurality of attachment members. The plate has a plurality of holes extending through the plate from an upper surface to a lower surface, and the plate is configured to extend along the posterior side of at least two vertebrae adjacent at least one boney structure of each of the vertebrae. The holes are spaced in such a way that a first plurality of holes is positionable over a boney structure of a first vertebra to define a plurality of fixation points to the first vertebra and a second plurality of holes is positionable over boney structure of a second vertebra to define a plurality of fixation points to the second vertebra. The attachment members are insertable through the holes of the plate and into the boney structure of a corresponding vertebra to fix the plate to the vertebra.
Disclosed are a flexible fixation device and method to provide adequate purchase into bone at angles that are awkward for properly engaging inflexible and rigid screws. In one instance, the fixation device is comprised of a head (110) with threads (114) to effect engagement of the device and to act as an insertion - stop for the device, as well as a helical portion (120) to allow for adequate purchase into bone. The helical portion engages the bone over a relatively large surface area relative to the size of the entry point. The helical portion may resemble, for example, a cork screw or a coiled spring. The device offers both flexibility (to make angled insertion achievable) while still retaining enough helical - directional rigidity to achieve the desired implantation and fixation. A guide (300) with a helically- grooved encasement (310) to bend the device as it advances is also disclosed.
A hook plate assembly includes a bone plate extending along a longitudinal axis from a first end to a second end and including an upper surface facing away from a bone, a bone contacting surface, a plate hole extending therethrough from the upper surface to the bone contacting surface and a connection section arranged at the second end. The plate hole is sized and shaped to receive a bone fixation element therethrough in combination with a hook including a connecting portion configured to connect the hook to the connection section of the bone plate and a fastening element releasably coupling the hook to the bone plate.
A device is for aligning an aiming hole of an aiming device with a locking hole of an intramedullary nail. The device includes a sensing unit sized and shaped for insertion through an aiming hole of an aiming device attachable to an intramedullary nail. The sensing unit detects a magnetic field produced by a magnet and outputs an alignment signal based on a magnetic field parameter at first and second locations relative to the magnet.
A device for bone fixation comprises a bone fixation nail extending from a proximal end to a distal end, the distal end having a helical structure configured to engage a bone, the proximal end having an opening extending thereinto and a first sleeve configured for insertion over a proximal portion of the bone fixation nail and through an intramedullary nail hole, the first sleeve permitting the bone fixation nail to move axially therewithin within a predetermined range of movement along with a locking screw configured to limit movement of the bone fixation nail relative to the first sleeve, the locking screw configured to lockingly engage the opening in the bone fixation nail and having a head and a threaded shaft extending distally therefrom.
A fixation device, comprises an elongated element extending along a central axis, having a total length L and including a proximal section formed of a material that is substantially non-absorbent for electromagnetic radiation within a preselected wavelength range and a distal section formed of a material that is substantially non-absorbent for electromagnetic radiation within the preselected wavelength range in combination with a middle section axially arranged between the proximal and distal sections, the middle section formed of a material that is substantially absorbent for electromagnetic radiation in the preselected wavelength range.
A61B 17/04 - Surgical instruments, devices or methods, e.g. tourniquets for closing wounds, or holding wounds closed, e.g. surgical staples; Accessories for use therewith for suturing wounds; Holders or packages for needles or suture materials
An intervertebral implant (10) comprises a number of components including upper and lower endplates (20,30) and one or more inserts (40) configured to be disposed between the upper and lower endplates. Complimentary curved articulation surfaces (26,36) are defined on the insert - facing surfaces of the upper and lower endplates (20,50) and on the corresponding upper and lower surfaces (44,46) of each of the inserts (40). The components of the implant articulate with respect to each other along shared articulation surfaces. At least two pairs of shared articulation surfaces (26,42a), (36,42b) are defined, each pair having a different length radius. The components of the implant can be configured with retainers, such that the implant is retained in an assembled configuration when disposed within an intervertebral space.
A device for implanting heat deformable fixation elements of different sizes in a bone, comprises a hand piece extending from a proximal end to a distal end and including an internal optical waveguide connected to a laser source and open to the distal end of the hand piece and a light guiding tip extending from a proximal end to a distal end, the proximal end of the light guiding tip being removably mechanically and optically connectable to the distal end of the hand piece and the distal end of the light guiding tip being configured to permit removable attachment of a bone fixation element, the light guiding tip including an optical waveguide, wherein the light guiding tip is configured to control a total radiant energy Q transmitted from the laser source to the bone fixation element.
Described herein is a balloon catheter with a zero-profile tip-that is, a balloon catheter having a distal tip that does not extend beyond the boundary of the cavity that will be created by the balloon when inflated-and further described herein are methods for the manufacturing of same. Several embodiment feature a method for inverting the distal end of an inflatable balloon structure, said inflatable balloon structure having a middle region, a first end region with a first opening, and a second end region with a second opening, said method comprising: (1) centrally inverting the second end region of the inflatable balloon structure and passing it through the first opening; (2) permanently fixing the inverted second end region to prevent un-inversion; and (3) returning the second end region back through the first opening.
Provided are methods and systems for enlarging a spinal canal of a vertebra. Using the methods and systems disclosed the spinal canal of the vertebra is enlarged by cutting the posterior arch portion of the vertebra to create one or two implant receiving spaces in the posterior arch portion. The cutting of the posterior arch portion is completed through a minimally invasive approach. Once cut, the detached portion of the posterior arch portion is repositioned and an implant is positioned in the implant receiving space of the posterior arch portion to thereby enlarge the spinal canal such that the spinal cord is no longer compressed. The insertion of the implant is also completed through a minimally invasive approach.
A fixation system comprising: a first fixation element including a first shaft, a second fixation element including a second shaft and a hardenable material configured to be applied in an unhardened state in a first gap defined between the first head and an exterior surface of a first anatomical body when the first shaft is attached to the first anatomical body, and further configured to be applied in the unhardened state in a second gap defined between the second head and an exterior surface of the second anatomical body when the second shaft is attached to the second anatomical body.
A surgical implant for fixing a soft tissue to a bone comprising a staple and a plate. The staple and the plate are positionable on an instrument in such a way that the plate may be manipulated with the instrument to hold the soft tissue against the bone and in such a way that the staple is fixable to the bone with the plate positioned between a bridge of the staple and the soft tissue when legs of the staple are driven through the plate and into the bone.
A61B 17/11 - Surgical instruments, devices or methods, e.g. tourniquets for closing wounds, or holding wounds closed, e.g. surgical staples; Accessories for use therewith for performing anastomosis; Buttons for anastomosis
A growing rod for mounting between attachment mechanisms that are secured to anatomical structures of a patient having scoliosis. The growing rod includes an outer housing and an inner housing disposed within the outer housing. The inner housing includes a magnet assembly including a magnet having a first pole and a second pole and a gear reduction mechanism coupled to the magnet. A first rod is secured to the inner housing and a second rod is secured to the outer housing. The gear reduction mechanism reduces an output rotation of the magnet to rotate a driver that operates to move the inner housing along a longitudinal axis with respect to the outer housing.
A device for containing bone graft material comprises a body (102) including an inner sleeve (112) extending longitudinally from a proximal end to a distal end and an outer sleeve (114) surrounding the inner sleeve and extending longitudinally from a proximal end to a distal end such that a bone graft collecting space (132) is formed therebetween. A sytem (101) for collecting bone graft in the collecting space is also provided.
A suture device is configured to guide a suture thread. The device includes a sleeve that defines an opening, and a plunger to which a suture thread can be attached. The plunger can be inserted into the opening of the sleeve, and movable between a retracted position and an advanced position. When the plunger is in the retracted position, a distal portion of the suture thread is located proximal with respect to the distal end of the suture device. When the plunger is in the advanced position, the distal portion of the suture thread is driven out the distal end of the suture device.
A61B 17/04 - Surgical instruments, devices or methods, e.g. tourniquets for closing wounds, or holding wounds closed, e.g. surgical staples; Accessories for use therewith for suturing wounds; Holders or packages for needles or suture materials
A61B 17/00 - Surgical instruments, devices or methods, e.g. tourniquets
32.
Cannula system and method for partial thickness rotator cuff repair
A trans-soft tissue anchor implantation system in one embodiment includes a positioning wire having a tissue penetrating distal tip, a cannula for passage through the soft tissue and a suture anchor. The cannula has an axial lumen therethrough sized to accommodate at least the positioning wire, a thin-walled distal portion and a tissue engaging feature, such as an arcuate groove, on at least a portion of an outer surface of the cannula proximal of and adjacent to the distal portion. Tissue, such as a tendon, expands into the groove allowing a surgeon to manipulate the tissue with the cannula.
A61B 17/04 - Surgical instruments, devices or methods, e.g. tourniquets for closing wounds, or holding wounds closed, e.g. surgical staples; Accessories for use therewith for suturing wounds; Holders or packages for needles or suture materials
A fixation device for treating an epiphyseal fracture, comprises a shaft extending longitudinally along a central axis from a first end to a second end configured to slidably engage a bone implant opening and a having a maximum radius r and a spherical head element attached to the first end of the shaft and having a radius R > r, the spherical head element configured to be inserted into a fragmented portion of bone such that the fragmented portion rotates about the spherical head element relative to the central axis of the shaft.
An implant comprises a deformable gas tight sack (1). The sack comprises a first chamber (4) in fluid communication with an obturatable opening (2), the chamber filled or tillable with a filling material (12) filling the first chamber. The implant is configured such that when one or both of a gas and fluid surrounding the filling material is removed from the first chamber through the opening, a wall of the first chamber forms around and holds the filling material. This causes the implant to transition from a relatively flexible insertion state to a relatively rigid fixation state in which the implant is fixable in the target portions of bone.
The application discloses an implant assembly (20) comprising an implant body (24) with first and second bone contacting surfaces (28,30) spaced apart and at least one of said contacting surfaces defining at least one recess (32) that extends into a first side of the implant body (24) but not through the implant body (24), and said at least one recess (32) is configured to receive a head (42) of a bone anchor (22) so that a shaft (36) of the bone anchor (22) extends out from the first side. Furthermore a method for fixation said intervertebral implant including the steps of: a) applying a spreading force to a first and second adjacent vertebral bodies (38,40); b) removing the intervertebral disc between the adjacent first and second vertebral bodies (38,40); c) inserting a shaft (36) of the bone anchors (22) into the vertebral bodies (38,40), and fixing a head (42) of the bone anchors (22) to an intervertebral implant (20).
A catheter device that includes a double-threaded guidance wire that allows multiple use of a compliant cavity creation device (i.e., treatment of more than one level). The double-threaded guidance wire may be connected with the luer part of the device and a distal part of the balloon using a threaded engagement to avoid lengthening of the inner tube, avoid lengthening of the balloon, and to limit the plastic deformation of the system in axial direction. In other implementations, the double-threaded guidance wire may be reconnected to the distal part of the balloon with a distal thread of the double-threaded guidance wire in order to restore the nominal length.
A bone marrow harvesting device includes a flexible bone marrow harvesting needle that can bend during operation to prevent the needle tip from piercing the inner cortical wall of the target bone. The needle defines an aspiration channel that defines an intake end that is recessed to reduce the instances that the aspiration channel will be fouled by bone particles or other debris within the cancellous portion.
An implant extends along a central axis, and includes first and second members spaced along the central axis. The implant can include a compliant interface. The compliant interface includes a plurality of spring members, the plurality of spring members arranged to space apart the first member from the second member along the central axis.
A method for joining two or more segments of a bone implant comprises the steps of placing a plurality of thin layers of an intermetallic material between first and second segments of the bone implant and applying a mechanical load to the plurality of layers. In a subsequent step, the plurality of layers are ignited by applying an external activation energy thereto, the ignition heating the plurality of layers to a reaction temperature and causing the segments to become affixed to one another after cooling.
An intramedullary nail extending from a proximal end to a distal end comprises a distal portion extending longitudinally from the distal end to a first connecting end and including a first locking hole extending therethrough; a proximal end extending longitudinally from a second connecting end to the proximal end of the nail and including a second locking hole extending transversely therethrough and a joint connecting the first and second connecting ends such that the distal and proximal portions are rotatable relative to one another about the joint
A device for measuring a degree of bending of an intramedullary nail comprises a probe sized and shaped for insertion into a cannulation of an intramedullary nail. The probe including a first longitudinal element extending along a longitudinal axis from a distal end to a proximal end and a second longitudinal element extending along a longitudinal axis from a distal end to a proximal end, the distal ends of the first and second longitudinal elements attached to one another so that the longitudinal axes of the first and second longitudinal elements extend substantially parallel to each other and define a middle plane. A measuring element measures relative axial displacement of the proximal ends of the first and second longitudinal elements in the middle plane upon bending of the first and second longitudinal elements as the probe is inserted into a cannulation of the intramedullary nail.
A retractor (100) configured to retract tissue generally includes a first arm, a second arm, and a translating member. The first arm (126) comprises a proximal portion (127) and a distal portion (137). The portion is configured to retain a first retractor member (112). The distal portion is configured to rotate relative to the proximal portion about a first axis (373). The second arm is configured to retain a second retractor member (110), such that rotation of the distal portion about the first axis causes the first retractor member to pivot toward or away from the second retractor member when the first retractor member and the second retractor member are coupled to the first arm and the second arm, respectively. The translating member (430) is coupled between the proximal portion and the distal portion. The translating member configured to receive a drive force that causes the translating member to bias the distal portion to pivot relative to the proximal portion about the first axis.
A device is for anchoring a suture to a bone. The devise includes a suture engaged with an elastically deformable ring biased toward an unstressed state in which an outer diameter of the ring is D. The ring is compressible for insertion through a hole in a bone stabilization device having a diameter smaller than the diameter D.
A61B 17/04 - Surgical instruments, devices or methods, e.g. tourniquets for closing wounds, or holding wounds closed, e.g. surgical staples; Accessories for use therewith for suturing wounds; Holders or packages for needles or suture materials
A61B 17/00 - Surgical instruments, devices or methods, e.g. tourniquets
A fixation device comprises a biodegradable inner core extending along a longitudinal axis from a distal tip to a proximal end in combination with a sleeve surrounding the core along a portion of a length thereof and comprising a thermoplastic polymer formed of a material which softens and expands into surrounding bone tissue when activated by an energy source.
A61B 17/04 - Surgical instruments, devices or methods, e.g. tourniquets for closing wounds, or holding wounds closed, e.g. surgical staples; Accessories for use therewith for suturing wounds; Holders or packages for needles or suture materials
A device for determining deformation of an intramedullary rod comprises a longitudinal probe sized and shaped to be inserted into a channel of the rod and including a deflection detection element, a head portion including a lumen extending therethrough and a coupling element to attach the head portion to a proximal end of the intramedullary rod, the lumen slidably receiving the probe therein, and a logging unit configured to detect relative movement between the probe and the head portion and to determine a current path of the intramedullary rod from the relative movement.
A61B 17/16 - Osteoclasts; Drills or chisels for bones; Trepans
A61B 19/00 - Instruments, implements or accessories for surgery or diagnosis not covered by any of the groups A61B 1/00-A61B 18/00, e.g. for stereotaxis, sterile operation, luxation treatment, wound edge protectors(protective face masks A41D 13/11; surgeons' or patients' gowns or dresses A41D 13/12; devices for carrying-off, for treatment of, or for carrying-over, body liquids A61M 1/00)
A vertebral adjustment system configured to move individual vertebral bodies relative to the other vertebral bodies to thereby realign the spine. The system may include a frame, and a plurality of alignment devices coupled to the frame and to the individual vertebral bodies. By manipulated the alignment devices the vertebral bodies to which they are attached may be moved.
A surgical nail for treating a fractured bone includes a nail body extending along a longitudinal axis from a trailing end to a leading end and including a trailing end locking aperture extending transversely through a trailing end portion thereof and a leading end locking aperture extending transversely through a leading end portion thereof; a trailing end connecting element located at the trailing end of the nail body adapted and configured to be coupled to a trailing end aiming guide; and a leading end connecting element at the leading end of the nail body adapted and configured to be coupled to a leading end aiming guide.
A degradation controlled metal implant and methods of controlling the degradation of the implant. In one embodiment, the implant includes a body, one or more apertures, and one or more fastener blanks fixed within one or more apertures. In another embodiment, the implant includes a body of a first material and a second material plated in various patterns over the first material.
A degradation controlled metal implant and methods of controlling the degradation of the implant. In one embodiment, the implant includes a body, one or more apertures, and one or more fastener blanks fixed within one or more apertures. In another embodiment, the implant includes a body of a first material and a second material plated in various patterns over the first material.
An expandable portion of an implant has a total volume and includes a plurality of chambers, each having a volume less than the total volume. At least one of the chambers includes a biocompatible media which is liquid at room temperature. The at least one chamber is closed, so that by increasing the temperature of the liquid, the pressure in the chamber increases.
A method for manufacturing an injection molded product (11) includes producing an injection mold (1) by building a one-piece mold block (2) including a mold cavity (5) sized and shaped to correspond to a desired shape of the injection molded product and a first feeder duct (7) extending from the mold cavity and injecting a molten material into the mold cavity via the feeder duct to form an injection molded product and a sprue extending therefrom into the first feeder duct in combination with machining a portion of the injection block to expose the injection molded product and machining the injection molded product while the sprue firmly holds the product in a remaining portion of the injection mold. The product is then cut from the sprue.
B29C 33/00 - SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING - Details thereof or accessories therefor
B29C 45/40 - Removing or ejecting moulded articles
B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
A bone plate for the stabilization of bones includes upper and lower surfaces extending along a central longitudinal axis. The lower surface is configured to contact a target portion of bone when in an operative configuration a through opening extending through the plate from the upper surface to the lower surface. The through opening is sized and shaped to receive a stabilization plate. The through opening has an elongated curved shape selected to conform to a cross-sectional shape of a proximal portion of the stabilization plate.
A surgical instrument is configured to introduce a spinal fixation rod into a vertebral implant such that once the spinal fixation rod is engaged with the surgical instrument and the surgical instrument is put into a retention configuration, the spinal fixation rod cannot be removed from the surgical instrument until the spinal fixation rod is properly located and oriented with respect to the surgical construct and the surgical instrument is released from the retention configuration. The surgical instrument for introducing a spinal fixation rod includes a surgical instrument body with an actuator, and an engagement assembly at opposing ends and a transfer assembly extending between the actuator and the engagement assembly. The surgical instrument can also be used as part of a method for introducing a spinal fixation rod. Additionally, the surgical instrument can be part of a kit for introducing a spinal fixation rod, the kit including a plurality of spinal fixation rods of varying shapes and sizes.
A multi packaging system for packaging of sterile implants includes a carrier plate and a plurality of packings removably attached to the carrier plate. Each of the plurality of packings contains an implant and is individually removable from the carrier plate.
A61B 19/02 - Protective casings or covers for appliances or instruments, e.g. boxes or sterile covers; Instrument tables or cupboards; Doctors' bags
B65D 75/52 - Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers - Details
55.
SYSTEM OR BONE FIXATION USING BIODEGRADABLE SCREW HAVING RADIAL CUTOUTS
A system for bone fixation is provided including a biodegradable polymer screw and corresponding driver element. The screw is provided with a head having at least two regularly spaced notches. The driver element is provided with a distal end having at least two regularly spaced notches. The outer surface of the driver can correspond to the outer perimeter of the screw head and the notches and prongs are adapted to securably couple in a displacement fit to allow the drive to apply the screw into bone.
A system for inserting an intramedullary nail into a bone includes (a) a handle extending from a proximal end to a distal end configured to couple to an intramedullary nail only in a desired orientation and (b) an aiming device extending from a proximal end to a distal end configured for attachment to the proximal end of the handle. The aiming device includes a guide opening extending therethrough sized and shaped to accommodate a protective sleeve therein. The guide opening is located and oriented so that, when the aiming device and the handle are coupled to one another, a bone fixation receiving hole in an intramedullary nail coupled to the handle is aligned with the guide opening. The aiming device further includes a locking pin fixedly mounted thereto. The locking pin extends into the guide opening to engage a protective sleeve inserted therein.
A device for osteosynthesis includes a body having a proximal surface, a distal surface configured and dimensioned to face a target portion of bone over which the body is to be mounted and a through opening extending through the body from the proximal surface to the distal surface along a central axis. The through hole includes a first protrusion extending from an inner surface thereof toward the central axis. The first protrusion is biased toward an unstressed state in which the first protrusion extends into the through opening to a first distance from the central axis. The first protrusion is movable toward the inner surface when subjected to a force directed outward from the central axis.
A bone fixation assembly is provided, including a bone fixation plate that has a plurality of apertures having different cross-sectional dimensions, and a temporary fixation wire. The temporary fixation wire includes an abutment member that can compress the bone fixation plate against an underlying bone so that the alignment of the bone fixation plate on the bone can be analyzed prior to using bone fixation members to permanently attach the bone fixation plate to the underlying bone.
An intramedullary device includes an intramedullary nail (9) extending along a longitudinal axis from a proximal end to a distal end, a proximal portion of the intramedullary nail including a cavity (14) extending from an opening at the proximal end along the longitudinal axis and a locking hole (15) extending transversely therethrough along with a first insert (2) sized and shaped for insertion into the cavity along the longitudinal axis thereof and including a transverse bore (20) aligning with the locking hole and a second insert (3) for engaging an inner surface of the cavity proximally of the first insert to retain the first insert within the cavity and including a central bore (30) extending longitudinally therethrough for coupling to an insertion instrument.
The disclosure relates to an orthopedic implant comprising a metallic substrate coated with a diamond-like carbon (DLC) layer, and a layer of a polymeric material placed over the DLC layer that is less stiff than the substrate, and methods of manufacturing the same.
Facet fusion implants with various body geometries are provided. The bodies of the facet fusion implants can be configured to minimize migration of the implants when the implants are inserted into facet joints. Surgical methods and accompanying surgical instrumentation for inserting the facet fusion implants into facet joints are provided.
A method for replacing a portion of a target bone in a living body includes the steps of attaching one or more first markers to a target bone, establishing a medical three-dimensional representation of the target bone, performing a virtual resection of a resection portion, the virtual resection constructing a three-dimensional representation of the resection portion and a three-dimensional representation of the remaining target bone including cutting edges, providing a virtual pattern of the resection portion, obtaining an implant or graft portion for replacing the resection portion of the target bone by using the virtual pattern of the resection portion, resecting the resection portion from the target bone according to the virtual resection using the first reference system of coordinates and coupling the implant or graft portion to the target bone in a position substantially matching a position of the resection portion before the actual resection.
A61B 19/00 - Instruments, implements or accessories for surgery or diagnosis not covered by any of the groups A61B 1/00-A61B 18/00, e.g. for stereotaxis, sterile operation, luxation treatment, wound edge protectors(protective face masks A41D 13/11; surgeons' or patients' gowns or dresses A41D 13/12; devices for carrying-off, for treatment of, or for carrying-over, body liquids A61M 1/00)
An insertion instrument is configured to eject a pair of anchor bodies across an anatomical gap so as to approximate the gap. The insertion instrument can include a single cannula that retains the pair of anchor bodies in a stacked relationship, or a pair of adjacent cannulas that each retain respective anchor bodies. The insertion instrument can be actuated so as to eject the anchor bodies into respective target anatomical locations.
A61B 17/04 - Surgical instruments, devices or methods, e.g. tourniquets for closing wounds, or holding wounds closed, e.g. surgical staples; Accessories for use therewith for suturing wounds; Holders or packages for needles or suture materials
A bone implant includes (a) a first layer provided over a first outer surface of the bone implant and being formed of a first material which is one of water-soluble and degradable in body fluids, the first layer having a first thickness and (b) a second layer provided over an outer periphery of the first layer and being formed of a biocompatible material, the second layer having a second thickness smaller than the first thickness. This arrangement facilitates removal of the implant.
A distractible intervertebral implant (10) configured to be inserted in an insertion direction (I) into an intervertebral space (11) that is defined between a first vertebral body (12a) and a second vertebral body (12b) is disclosed. The implant may include a first body (18) and a second body (14). The first body may define an outer surface that is configured to engage the first vertebral body, and an opposing inner surface that defines a rail. The second body may define an outer surface that is configured to engage the second vertebral body, and an inner surface that defines a recess configured to receive the rail of the first body. The second body moves in a vertical direction toward the second vertebral body as the second body is slid over the first body and the rail is received in the recess.
An intervertebral implant can include a pair of endplates between which is coupled a bag that is filled or is fillable with small beads or particles having smooth exterior geometries. The bead sack implant allows for articulation about various centers of rotation without a predefined neutral position.
An anchor-in-anchor fixation system is provided for securing underlying structure, such as bone. The fixation system includes a first bone anchor having a shaft for fixation to underlying bone, and a head that defines an internal bore. A second bone anchor extends through the bore and into underlying bone. A fixation assembly is also provided that includes one or more fixation systems coupled to an auxiliary attachment member configured for long bone fixation, spinal fixation, or fixation of other bones as desired.
A61F 2/00 - Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
69.
Side-loaded medical implement particularly useful in arthroscopic surgery
A medical implement particularly useful in arthroscopic surgery, includes: a handle having a proximal end configured for manual gripping by a user, a distal end for manipulation during the surgery, an internal passageway extending through the handle from the proximal end to the distal end thereof, and a longitudinally-extending slot extending longitudinally through the handle from its outer surface to the passageway for side-loading the handle with a manipulatable member to be manipulated during surgery. A shield is located within the passageway in the handle. The shield is secured along one edge to the inner surface of handle defining the passageway, and includes an elastic section normally covering the longitudinally-extending slot. The elastic section of the shield is yieldable to permit side-loading of the manipulatable member into the passageway, but to prevent a side-loaded manipulatable member from passing outwardly from the passageway.
A61B 17/04 - Surgical instruments, devices or methods, e.g. tourniquets for closing wounds, or holding wounds closed, e.g. surgical staples; Accessories for use therewith for suturing wounds; Holders or packages for needles or suture materials
A61B 19/00 - Instruments, implements or accessories for surgery or diagnosis not covered by any of the groups A61B 1/00-A61B 18/00, e.g. for stereotaxis, sterile operation, luxation treatment, wound edge protectors(protective face masks A41D 13/11; surgeons' or patients' gowns or dresses A41D 13/12; devices for carrying-off, for treatment of, or for carrying-over, body liquids A61M 1/00)
A61B 17/06 - Needles; Holders or packages for needles or suture materials
A bone plate (1) includes a first through hole (9) extending through the plate along a first longitudinal axis (6) from a proximal surface (7) of the plate to a bone- facing distal surface (8) thereof which, when the plate is placed on a target portion of bone in a desired orientation, faces the bone. An outer wall (10) of the first through hole includes three wall sections (15) provided with projections for receiving a screw head of a bone screw. The three wall sections are straight or convex.
An articular cavity prothesis comprises a block (13) extending along a central axis (9) and including a top section (14) and a base section (15), the top section having an articular bearing surface (8) extending transverse to the central axis and a supporting surface (16) opposite the articular bearing surface configured to contact a surface of a bone on which the block is to be mounted, the base section having a fixing protrusion (7) protuding outward from the supporting surface along the central axis and having a volume V, the block being formed of human tissue.
A61F 2/00 - Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
Methods of orthopedic fixation and imagery analysis are provided. Images of first and second bone segments attached to a fixation apparatus are captured. Fixator elements identified in the images can be used to obtain imaging scene parameters. Bone elements identified in the images can be used with the imaging scene parameters to reconstruct a three dimensional representation of positions and/or orientations of the first and second bone segments with respect to the fixation apparatus.
A61B 17/62 - Ring frames, i.e. devices extending around the bones to be positioned
A61B 17/66 - Compression or distraction mechanisms
A61B 19/00 - Instruments, implements or accessories for surgery or diagnosis not covered by any of the groups A61B 1/00-A61B 18/00, e.g. for stereotaxis, sterile operation, luxation treatment, wound edge protectors(protective face masks A41D 13/11; surgeons' or patients' gowns or dresses A41D 13/12; devices for carrying-off, for treatment of, or for carrying-over, body liquids A61M 1/00)
73.
BONE SCREW ASSEMBLY AND INSTRUMENTS FOR IMPLANTATION OF THE SAME
A bone screw includes a screw shaft extending longitudinally along a screw axis and a screw head extending from a proximal end of the screw shaft and configured to be releasably coupled to a surgical tool. The bone screw also includes a through hole defining a through hole axis and extending through the screw head, the through hole axis intersecting the screw axis at an acute angle a, the through hole being adapted to receive therein a second screw and tapering from a first end at a proximal end of the screw head to a second end opening to an outer surface of the screw head.
The present invention provides instrumentation and associated methods for suture-based soft tissue repair. The disclosed instrument is configured to pass suture through tissue, relocate the instrument, and retrieve the suture, thereby creating a stitch. These steps can be repeated any number of times to create multiple stitches through the tissue. The instrument (10) comprises a body (16), a boom arm (22) and a tissue - receiving gap (28). It further comprises a needle (32) reciprocally translatable and a shuttling element (40). Upon movement of the shuttling element, it locks to or unlocks from the boom arm housing or the needle.
A61B 17/04 - Surgical instruments, devices or methods, e.g. tourniquets for closing wounds, or holding wounds closed, e.g. surgical staples; Accessories for use therewith for suturing wounds; Holders or packages for needles or suture materials
A bone fixation system that may be configured to move at least one of a first bone segment and a second bone segment relative to the other, is disclosed. The system may include a first lever and a second lever pivotally coupled to the first lever. The first lever may include a first handle, a first jaw extending from the first handle, and an aperture extending through the first jaw. The aperture may be configured to receive a fixation element to thereby fixedly couple the first lever to a bone plate. The second lever may include a second handle, a second jaw extending from the second handle, and an aperture extending through the second jaw. The aperture may be configured to receive a temporary fixation element to operatively couple the second lever to the second bone segment.
An implant for use in orthognathic surgery of a mandible may include a longitudinal plate member and a plurality of pre-configured guides coupled to the plate member. The longitudinal plate member is pre-bent to correspond to the post-operative shape of the mandible; and the guides are pre-configured to align the plate member with the mandible when the implant is positioned against the mandible after the mandible has been separated.
An anchor assembly can include at least one anchor member, such as a pair of anchor members that are configured to be implanted in a target anatomical location in a first configuration, and can subsequently be actuated to an expanded configuration that secures the anchor members in the target anatomy. The anchor assembly can further include a connector member that attaches the pair of anchor members together across a gap so as to approximate the anatomical defect.
A61B 17/04 - Surgical instruments, devices or methods, e.g. tourniquets for closing wounds, or holding wounds closed, e.g. surgical staples; Accessories for use therewith for suturing wounds; Holders or packages for needles or suture materials
A bone fixation system includes a bone plate, bone anchors, temporary fixation members, and forceps. The temporary fixation members are configured to be inserted through apertures in the bone plate and into underlying bone segments that are separated by a bone gap. The forceps are configured to apply a force to the temporary fixation members that causes at least one of the underlying bone segments to translate with respect to the other bone segment, thereby reducing or distracting the bone segments without interfering with final fixation by screws of bone segments..
An implant for use in orthognathic surgery of a maxilla may include a longitudinal plate member and a plurality of pre-shaped fingers extending from an upper edge of the plate member. The longitudinal plate member is pre-shaped to correspond to the pre-operative shape of the maxilla; and the fingers are pre-shaped to correspond to the shape of the maxilla. The fingers may be pre-shaped to correspond to either the pre-operative shape or the post-operative shape of the maxilla.
A minimally invasive system includes a bone screw (100), and a tissue retractor (200) having a partial pathway through it. The tissue retractor is removably couplable to the bone screw. An instrument (400) has a hollow cavity (406) and is removably couplable to the tissue retractor. A drive shaft (504) for a cap (700) of the bone screw has a diameter less than a diameter of the hollow cavity. A counter- torque handle (600) has an interlock end portion (604) by means of which it can be rotatably fixed to the instrument. The interlock end portion also includes an open-ended slot having a width greater than the drive shaft diameter such that the counter- torque handle is movable to and from the assembled configuration while the drive shaft is within the hollow cavity. A removal instrument (1200) has an interface (1204) for removing the retractor from the screw.
An aiming plate for orienting tools toward target features of an implant. The aiming plate features a first and a second surface and has a reversible attachment mechanism for attaching to an implant to orientate one of the first and second surfaces to face the implant. The aiming plate also features first and second through holes. The first through hole for receiving a tool extends along a first hole axis from the first surface to the second surface. The second through hole for receiving a tool is positioned adjacent the first through hole and extends along a second hole axis from the first surface to the second surface. The through holes arranged so that the first hole axis is divergent with respect to the second hole axis.
Arcuate fixation members (12D) with varying configurations and/or features are provided, along with additional components for use therewith in provided intervertebral implants (400). The arcuate fixation members may be of different lengths, cross sectional geometries, and/or cross sectoinal areas. Applications of intervertebral implants utilizing arcuate fixation members are particularly suitable when a linear line - of - approach for delivering fixation members is undesirable.
A coating for a CoCrMo substrate including a first layer located directly on the substrate including Ta(CoCrMo) 0.5 2.0, a second layer located directly on the first layer and including tantalum, a third layer located directly on the second layer and including tantalum carbide, and a fourth layer located directly on the third layer and including diamond-like carbon (DLC).
A coating for a CoCrMo substrate including a first layer located directly on the substrate including Ta(CoCrMo) 0.5 2.0, a second layer located directly on the first layer and including tantalum, a third layer located directly on the second layer and including tantalum carbide, and a fourth layer located directly on the third layer and including diamond-like carbon (DLC).
An intervertebral (10) implant includes opposing upper and lower endplates (20,22) that are configured to engage respective vertebral surfaces in an intervertebral space. The implant carries a plurality of bone fixation spikes (39) that extend out from each endplate. The spikes define a plurality of outer surfaces that extend from a base to a tip. The spikes are laterally staggered, and have a height that increases along a longitudinal direction from the front toward the rear of the implant, and a define recess formed in at least one outer surfaces.
A bone fixation system is provided. The bone fixation system may include a plate, one or more fasteners configured to attach the plate to a target anatomical location such as bone, and a surgical device that facilitates the attachment of the plate and the fasteners.
A61B 18/18 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
A61B 18/20 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
A bone plate (100) includes a first three-part combination hole (110) extending through a proximal portion of the plate, a first portion (112) configured to engage a threaded head portion of a bone fixation element (122), a second portion (114) configured to receive a bone fixation element (126) along an axis substantially perpendicular to a longitudinal axis of the bone and a third portion (116) defining a screw axis extending toward the distal end of the elongated body at a non-perpendicular angle relative to the longitudinal axis in combination with a first two-part combination hole (138) extending through the proximal portion, a first threaded portion (140) configured to engage a threaded head portion of a bone fixation element (122) and a second portion (142) defining an elongated slot extending along a longitudinal axis of the plate for receiving a bone fixation element so that the plate may slide along its longitudinal axis relative to the bone fixation element.
An expandable intervertebral implant comprises a caudal fixator including a caudal fixator body and a socket extending longitudinally upward from the caudal fixator body, a cranial fixator including a cranial fixator body and a core extending longitudinally downward from the cranial fixator body, and a circlip configured to fix the longitudinal position of the caudal fixator relative to the cranial fixator. The core can include outwardly-extending cranial ratchet ridges and can be configured to fit into the socket. The circlip can include inwardly-extending circlip ratchet ridges and can be configured to fit inside the socket. The implant can be configured to be installed into an intervertebral space between vertebrae of the spinal motion segment by attaching the implant to laminae of the vertebrae. The implant can be configured to be expanded after installation into the spinal motion segment, such that the implant extends between spinous processes of the vertebrae.
A bone cement is provided that includes a solid component and a liquid component. The solid component and liquid component are mixed together to form the bone cement. After completion of the solid and liquid component mixing, the bone cement has an initial viscosity effective for manual application or manual injection onto or into a targeted anatomical location, e.g., bone, and the cement has stable viscosity range that over both time and temperature is effective for uniformly filling the targeted anatomical location, for example an osteoporotic bone or a fractured vertebral body, with minimal to no leakage of the cement from the targeted anatomical location. Additionally, both the initial viscosity and the stable viscosity of the bone cement are within a range that renders the bone cement effective for injection with a manually operated syringe or multiple syringes.
A system for treating a bone, comprises a bone plate extending longitudinally from a first end to a second end and including a plurality of openings extending therethrough and a first hook member including a head sized and shaped to be lockingly received within a first one of the openings, the first hook member further including a spiked portion extending distally from the head to a sharp bone engaging distal end which, when the head is lockingly received within the first opening, projects distally from the bone plate toward a first target portion of bone to be engaged thereby to temporarily maintain the first target of bone in a desired spatial relation to the bone plate.
An intervertebral implant (10) for mounting between superior and inferior vertebrae includes first and second endplates (12,14) and an inlay (26). The first endplate (12) has a first vertebra engagement surface and a first inner surface (12f ). The first vertebra engagement surface is mounted to the superior vertebra in an implant positions. The second endplate (14) has a second vertebra engagement surface and a second inner surface (14f ). The second vertebra engagement surface is mounted to the inferior vertebra in the implanted position. The inlay (26) is mounted to and between the first and second inner surfaces (12f,14f) in an assembled configuration. The inlay includes a first mounting plate (28), a second mounting plate (30), a first W-shaped spring (32) and a second W-shaped spring (34). The first and second W-shaped springs are mounted between the first and second mounting plates. The first and second W-shaped springs have longitudinal axes that are generally parallel to the insertion axis.
An intervertebral implant for mounting between superior and inferior vertebrae includes first and second endplates and an inlay. The first endplate has a first vertebra engagement surface and a first inner surface. The first vertebra engagement surface is mounted to the superior vertebra in an implant positions. The second endplate has a second vertebra engagement surface and a second inner surface. The second vertebra engagement surface is mounted to the inferior vertebra in the implanted position. The inlay is mounted to and between the first and second inner surfaces in an assembled configuration. The inlay includes a first mounting plate, a second mounting plate, a first W-shaped spring and a second W-shaped spring. The first and second W-shaped springs are mounted between the first and second mounting plates. The first and second W-shaped springs have longitudinal axes that are generally parallel to the insertion axis.
A method for placing a fixation member around a bone for internal fixation of the bone includes (a) inserting a first member of a cerclage tool through an incision and into a vicinity of the bone, the first member extending from a first proximal end comprising a first handle portion and along a first central portion to a first distal end comprising a first bent tube portion; (b) inserting a second member of the cerclage tool through the incision and into the vicinity of the bone, the second member extending from a second proximal end comprising a second handle portion and along a second central portion to a second distal end comprising a second bent tube portion; (c) joining the first and second members together to form a continuous tube with the first bent tube portion and the second bent tube portion that encircles the bone, wherein the first bent tube portion and the second bent tube portion cross over one another to form a non-zero angle at a location that is proximal of the bone when viewed from a direction extending perpendicularly into a plane comprising the first and second members, wherein the continuous tube is configured and dimensioned to receive the fixation member; (d) disassembling the joined first and second members; and (e) removing the disassembled first and second members from the vicinity of the bone and from the incision.
A61B 17/58 - Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or the like
94.
SYSTEM AND METHODS FOR MINIMALLY INVASIVE SPINE SURGERY
Instruments and a method for minimally invasive surgery are disclosed. An implant manipulation instrument (20) comprises a driver (23) for locking a locking cap (19) against a spinal fixation rod (12) in a first spinal fixation device (11), and an actuator (22). The driver extends through the actuator and is rotatable with respect to it. An end (30) of the actuator is configured to fit over the rod, on which a second spinal fixation device (ll1) may be mounted. Pivoting (F) of the actuator with respect to the driver moves the second spinal fixation device closer to the first. An anchor delivery instrument (300) comprises a guide (302) including a cannulated body (303) to guide a surgical component (7), at least a first radio-opaque marker (313), and at least a second radio-opaque marker (330) distal to the first. A position of the first marker relative to the second on a radio image indicates whether the orientation of the guide is as desired.
Provided are methods and systems for fabricating multimaterial bodies in a layer-wise fashion, which bodies may be used bone-stabilizing implants. The multimaterial bodies include rigid and flexible portions that are integrally formed with one another. The multimaterial bodies may be softened or stiffened in specific areas to match the biological or anatomical features of a bone.
A reduction tool for use in posterior spinal fixation to facilitate insertion of a longitudinal spinal rod into a rod-receiving channel formed in a bone fixation element. The reduction tool preferably includes an outer tube sized and configured to transversely receive the spinal rod therethrough, the outer tube being operatively coupled to the bone fixation element, an inner tube operatively coupled to a locking cap and slidably disposed within the outer tube, and a rotatable sleeve for rotatably advancing the inner tube with respect to the outer tube to advance the spinal rod into the rod-receiving channel formed in the bone fixation element and to couple the locking cap to the bone fixation element to thereby secure the rod within the bone fixation element.
A bone fixation implant is provided that includes a bone fixation plate and a plurality of fasteners. The bone fixation plate corresponds generally to stress lines (A, B, C, D) imparted onto the mandible during anatomical function of the mandible. Thus, the bone fixation plate includes a primary leg (54) and an auxiliary leg (56) extending obliquely out from the primary leg. The primary leg generally corresponds in shape to a posterior border (25) of a mandible, and the auxiliary leg generally corresponds in shape to a sigmoid notch (31) of a mandible.
A drill guide includes a first bone plate that extends along a first middle plane, and a second bone plate that extends along a second middle plane. The drill guide further includes a first articulation and a second articulation that is connected to the first articulation. The first and second articulations are arranged between the first and the second bone plate. Each of the first and second articulations is releasably lockable.
A bone fixation element includes a bone fixation member having a base and a pair of arms elastically spreadable for reversibly clipping on a bone or an implant, and a connector assembly configured to be attached to the base so as to rigidly fix the fixation member to a bone fixation rod.
A screw delivery system is provided. Such a system may include a carrier including a carrier body, a driver, and a nose. The carrier may define a bore that extends at least partially through the carrier body. The driver may be configured to be at least partially disposed in the bore. The driver may include a head that is configured to mate with a head of a fastener. At least a first guide member may be carried by the carrier body. The nose may be operably aligned with the bore, and may include at least a second guide member that is configured to engage the first guide member. The system may be configured such that insertion of the driver from the bore into the nose causes the first and second guide members to engage so as to cause the nose to rotate relative to the carrier body.
B25B 23/06 - Arrangements for handling screws or nuts for feeding screws or nuts using built-in magazine
B25B 23/10 - Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means
B23P 19/06 - Screw or nut setting or loosening machines
patents
