A surgical instrument with insulating grips is described. The grips can include internal metal frames that are arranged to limit electrical conductivity within the grips and to other components that attach to a grip, such as a ratchet. The internal metal frames can be constructed of multiple internal portions, spatially separated from one another to interrupt electrical conductivity between the internal portions, but coated with an insulating overmold to provide mechanical coupling between the portions. An internal metal frame can also include a notch, cut-out, or other region partially surrounded by the structure of the internal metal frame, which can be coated with an insulating overmold to define a region of the grip that does not have an internal metal frame therein but which can include an attachment point for mechanically coupling other components while limiting electrical coupling between the metal frame and the other components.
A reusable tip for minimally invasive surgical instruments can include an end effector, a two-part hub, and a yoke. The end effector can include one or more movable portions enabling the end effector to move between first (e.g., open) and second (e.g., closed) positions via manipulation of the yoke within the hub. The hub can include a proximal hub and a distal hub coupled together. The end effector can be coupled to the distal hub, which can be made of a metal to provide high strength and secure shape to the distal hub. The proximal hub can be made of an autoclavable insulation material capable of maintaining a removable coupling with a control shaft. The proximal hub can be made of polyetheretherketone (PEEK).
A surgical instrument with insulating grips is described. The grips can include internal metal frames that are arranged to limit electrical conductivity within the grips and to other components that attach to a grip, such as a ratchet. The internal metal frames can be constructed of multiple internal portions, spatially separated from one another to interrupt electrical conductivity between the internal portions, but coated with an insulating overmold to provide mechanical coupling between the portions. An internal metal frame can also include a notch, cut-out, or other region partially surrounded by the structure of the internal metal frame, which can be coated with an insulating overmold to define a region of the grip that does not have an internal metal frame therein but which can include an attachment point for mechanically coupling other components while limiting electrical coupling between the metal frame and the other components.
An electronic forceps system includes a handle including a pair of pivotable arms distally extending from a proximal end of the handle, at least one arm of the pair of arms having an electrically-conductive arm element connectable to a power source, wherein each arm of the pair of arms comprises a respective pair of arm interfaces, and the electrically-conductive arm element extends to at least one interface of the pair of interfaces. Also provided is a pair of tips, at least one tip of the pair of tips having an electrically-conductive tip element, wherein each tip has a tip interface configured to removably connect to a respective arm interface, each tip has a distal working surface, the electrically-conductive tip element is configured to removably and electrically connect to the electrically-conductive arm element, the electrically-conductive tip element is connected to a heater.
A61B 18/08 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by means of electrically-heated probes
A surgical instrument with insulating grips is described. The grips can include internal metal frames that are arranged to limit electrical conductivity within the grips and to other components that attach to a grip, such as a ratchet. The internal metal frames can be constructed of multiple internal portions, spatially separated from one another to interrupt electrical conductivity between the internal portions, but coated with an insulating overmold to provide mechanical coupling between the portions. An internal metal frame can also include a notch, cut-out, or other region partially surrounded by the structure of the internal metal frame, which can be coated with an insulating overmold to define a region of the grip that does not have an internal metal frame therein but which can include an attachment point for mechanically coupling other components while limiting electrical coupling between the metal frame and the other components.
A surgical instrument with insulating grips is described. The grips can include internal metal frames that are arranged to limit electrical conductivity within the grips and to other components that attach to a grip, such as a ratchet. The internal metal frames can be constructed of multiple internal portions, spatially separated from one another to interrupt electrical conductivity between the internal portions, but coated with an insulating overmold to provide mechanical coupling between the portions. An internal metal frame can also include a notch, cut-out, or other region partially surrounded by the structure of the internal metal frame, which can be coated with an insulating overmold to define a region of the grip that does not have an internal metal frame therein but which can include an attachment point for mechanically coupling other components while limiting electrical coupling between the metal frame and the other components.
A surgical instrument with insulating grips is described. The grips can include internal metal frames that are arranged to limit electrical conductivity within the grips and to other components that attach to a grip, such as a ratchet. The internal metal frames can be constructed of multiple internal portions, spatially separated from one another to interrupt electrical conductivity between the internal portions, but coated with an insulating overmold to provide mechanical coupling between the portions. An internal metal frame can also include a notch, cut-out, or other region partially surrounded by the structure of the internal metal frame, which can be coated with an insulating overmold to define a region of the grip that does not have an internal metal frame therein but which can include an attachment point for mechanically coupling other components while limiting electrical coupling between the metal frame and the other components.
A reusable tip for minimally invasive surgical instruments can include an end effector, a two-part hub, and a yoke. The end effector can include one or more movable portions enabling the end effector to move between first (e.g., open) and second (e.g., closed) positions via manipulation of the yoke within the hub. The hub can include a proximal hub and a distal hub coupled together. The end effector can be coupled to the distal hub, which can be made of a metal to provide high strength and secure shape to the distal hub. The proximal hub can be made of an autoclavable insulation material capable of maintaining a removable coupling with a control shaft. The proximal hub can be made of polyetheretherketone (PEEK).
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
A61B 90/70 - Cleaning devices specially adapted for surgical instruments
A61B 17/00 - Surgical instruments, devices or methods
A61B 17/29 - Forceps for use in minimally invasive surgery
A reusable tip for minimally invasive surgical instruments can include an end effector, a two-part hub, and a yoke. The end effector can include one or more movable portions enabling the end effector to move between first (e.g., open) and second (e.g., closed) positions via manipulation of the yoke within the hub. The hub can include a proximal hub and a distal hub coupled together. The end effector can be coupled to the distal hub, which can be made of a metal to provide high strength and secure shape to the distal hub. The proximal hub can be made of an autoclavable insulation material capable of maintaining a removable coupling with a control shaft. The proximal hub can be made of polyetheretherketone (PEEK).
A reusable tip for minimally invasive surgical instruments can include an end effector, a two-part hub, and a yoke. The end effector can include one or more movable portions enabling the end effector to move between first (e.g., open) and second (e.g., closed) positions via manipulation of the yoke within the hub. The hub can include a proximal hub and a distal hub coupled together. The end effector can be coupled to the distal hub, which can be made of a metal to provide high strength and secure shape to the distal hub. The proximal hub can be made of an autoclavable insulation material capable of maintaining a removable coupling with a control shaft. The proximal hub can be made of polyetheretherketone (PEEK).
A61B 90/70 - Cleaning devices specially adapted for surgical instruments
A61B 18/00 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
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
A61B 17/00 - Surgical instruments, devices or methods
An electronic forceps system includes a handle including a pair of pivotable arms distally extending from a proximal end of the handle, at least one arm of the pair of arms having an electrically-conductive arm element connectable to a power source, wherein each arm of the pair of arms comprises a respective pair of arm interfaces, and the electrically-conductive arm element extends to at least one interface of the pair of interfaces. Also provided is a pair of tips, at least one tip of the pair of tips having an electrically-conductive tip element, wherein each tip has a tip interface configured to removably connect to a respective arm interface, each tip has a distal working surface, the electrically-conductive tip element is configured to removably and electrically connect to the electrically-conductive arm element, the electrically-conductive tip element is connected to a heater.
A61B 18/08 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by means of electrically-heated probes
A61B 17/00 - Surgical instruments, devices or methods
A61B 18/00 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
A handpiece for interfacing with an instrument tip. The handpiece includes a tube end having an interface at a distalmost end thereof and configured to attach to the instrument tip, the tube end having a retention seal channel about an exterior of the tube end, a retention seal fixedly positioned in the retention seal channel, the retention seal having a sealing ring channel about an exterior of the retention seal, an elastically-deformable sealing ring press- fit into the sealing ring channel such that the sealing ring is immovable in a longitudinal direction of the tube, and an outer sheath positioned about the tube end such that the outer sheath and tube end sandwich the sealing ring and at least a portion of the retention seal.
A61B 17/00 - Surgical instruments, devices or methods
A61B 1/018 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor characterised by internal passages or accessories therefor for receiving instruments
A61B 1/313 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for introducing through surgical openings, e.g. laparoscopes
A61B 17/29 - Forceps for use in minimally invasive surgery
A61B 18/00 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
A system for tissue dissection and retraction is disclosed herein. A tissue dissection assembly generally comprises an elongate body shaft, an actuation member movable relative to the elongate body shaft, and at least one dissector arm member having at least a first end attached to the elongate body shaft, wherein the at least one dissector arm member is adapted to reconfigure within a plane from a low profile to an expanded profile when urged via the actuation member, and wherein the at least one dissector arm is further adapted to dissect tissue within the plane. In use, the assembly dissects tissue within the plane typically by advancing the elongate body shaft into the tissue region where the dissector arm member or members are then reconfigured within the plane from its low profile to its expanded profile to thereby dissect the tissue region along the plane.
A removable tip attachable to an instrument handpiece, including a back hub at a proximal end of a tip body and having back hub screw threads configured to threadedly engage outer tube threads of an outer tube of the handpiece, an end effector at a distal end of the tip body, and a yoke at the proximal end of the tip body and having yoke screw threads configured to engage shaft screw threads of an inner shaft of the handpiece, the yoke configured to move within the backhub to actuate the end effector, wherein the yoke screw threads engage with the inner shaft screw threads before the back hub screw threads engage the outer tube threads upon attachment of the tip to the handpiece, and the distance between a proximalmost point of the yoke and a beginning of the back hub screw threads is between 0.533" and 0.608".
A actuating instrument including an instrument tip assembly having a yoke attachment thread. The actuating instrument also includes an actuator having an actuating shaft. The actuating shaft is provided with a first thread within the actuating shaft and a second thread provided on the actuating shaft. Further, the first thread is connected to the yoke attachment thread. Additionally, a back hub is provided at a proximal end of the instrument tip assembly and includes a rib or ribs provided on one of an inner surface and an outer surface of the back hub. The rib or ribs projecting from the one of the inner surface and the outer surface of the back hub and engages the second thread of the shaft to from an attachment thread.
A61B 17/00 - Surgical instruments, devices or methods
F16B 7/18 - Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
A61B 17/29 - Forceps for use in minimally invasive surgery
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)
21.
Instrument tip assembly having self-threading back hub
A actuating instrument including an instrument tip assembly having a yoke attachment thread. The actuating instrument also includes an actuator having an actuating shaft. The actuating shaft is provided with a first thread within the actuating shaft and a second thread provided on the actuating shaft. Further, the first thread is connected to the yoke attachment thread. Additionally, a back hub is provided at a proximal end of the instrument tip assembly and includes a rib or ribs provided on one of an inner surface and an outer surface of the back hub. The rib or ribs projecting from the one of the inner surface and the outer surface of the back hub and engages the second thread of the shaft to from an attachment thread.
A61B 17/00 - Surgical instruments, devices or methods
F16B 7/18 - Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
A61B 17/29 - Forceps for use in minimally invasive surgery
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)
22.
INSTRUMENT TIP ASSEMBLY HAVING SELF-THREADING BACK HUB
A actuating instrument including an instrument tip assembly having a yoke attachment thread. The actuating instrument also includes an actuator having an actuating shaft. The actuating shaft is provided with a first thread within the actuating shaft and a second thread provided on the actuating shaft. Further, the first thread is connected to the yoke attachment thread. Additionally, a back hub is provided at a proximal end of the instrument tip assembly and includes a rib or ribs provided on one of an inner surface and an outer surface of the back hub. The rib or ribs projecting from the one of the inner surface and the outer surface of the back hub and engages the second thread of the shaft to from an attachment thread.
A actuating instrument including an instrument tip assembly having a yoke attachment thread. The actuating instrument also includes an actuator having an actuating shaft. The actuating shaft is provided with a first thread within the actuating shaft and a second thread provided on the actuating shaft. Further, the first thread is connected to the yoke attachment thread. Additionally, a back hub is provided at a proximal end of the instrument tip assembly and includes a rib or ribs provided on one of an inner surface and an outer surface of the back hub. The rib or ribs projecting from the one of the inner surface and the outer surface of the back hub and engages the second thread of the shaft to from an attachment thread.
A surgical tool assembly includes a pair of opposing jaws. Further, a viewing opening may be provided in at least one of the opposing jaws. The viewing opening may extend from an upper to a lower surface of the opposing jaw in which the viewing opening is provided. The viewing opening may include a material retainer provided proximate the lower surface of the opposing jaw in which the viewing opening is provided. The material retainer may include an inclined surface inclined towards a central axis of the viewing opening. A grasping insert may be molded onto a lower surface of the opposing jaw in which the viewing opening is provided and an elastomeric material of the grasping inserts may within the viewing opening, the material of the grasping inserts covering the inclined surface of the first material retainer.
A connector for connecting an instrument tip with a laparoscopic tube end, the connector including a base forming a body of the connector, the base having a lumen configured to accommodate an instrument tip actuator therein, and a seal permanently bonded to an inner surface of a proximal end of the base and configured to deform upon connection of the connector with the tube end.
A61B 17/00 - Surgical instruments, devices or methods
A61B 17/29 - Forceps for use in minimally invasive surgery
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 connector for connecting an instrument tip with a laparoscopic tube end, the connector including a base forming a body of the connector, the base having a lumen configured to accommodate an instrument tip actuator therein, and a seal permanently bonded to an inner surface of a proximal end of the base and configured to deform upon connection of the connector with the tube end.
A clip applier for deploying a surgical clip includes an actuator having a flexible wire and a collet chuck coupled to a piston. Further, actuation of the piston in a forward direction towards a distal end of the clip applier advances the flexible wire in the forward direction.
A61B 17/10 - Surgical instruments, devices or methods for closing wounds or holding wounds closedAccessories for use therewith for applying or removing wound clampsWound clamp magazines
A laparoscopic instrument assembly with a handle member and a removable tip. The handle member and removable tip are mated using a double threaded design which provides a secure connection with low electrical resistance. Electrical energy is provided through an inner shaft to the removable tip, and a return energy path is formed using an outer tubing of the instrument assembly. The removal tip includes a cutting and sealing device with a resistive member that is provided with the electrical energy, thereby enabling the tip to cut and seal tissue.
A61B 18/04 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
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 18/08 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by means of electrically-heated probes
A61B 17/29 - Forceps for use in minimally invasive surgery
A61B 17/00 - Surgical instruments, devices or methods
A laparoscopic instrument assembly with a handle member and a removable tip. The handle member and removable tip are mated using a double threaded design which provides a secure connection with low electrical resistance. Electrical energy is provided through an inner shaft to the removable tip, and a return energy path is formed using an outer tubing of the instrument assembly. The removal tip includes a cutting and sealing device with a resistive member that is provided with the electrical energy, thereby enabling the tip to cut and seal tissue.
An instrument includes, a lumen, a handpiece affixed to the proximal end of the lumen and including an actuator, a proximal articulable segment, the proximal end of the proximal articulable segment pivotably attached to the distal end of the lumen, an actuation cable extending from the actuator through the lumen and into the proximal articulable segment, and a cable router having a proximal knuckle assembly having a proximal segment knuckle affixed to the proximal end of the proximal articulable segment, a lumen knuckle affixed to the distal end of the lumen, and a proximal hinge pin knuckle positioned about the proximal hinge pin, wherein the cable is bent against the proximal segment knuckle, the lumen knuckle and the proximal hinge pin knuckle when the proximal articulable segment is generally parallel with the lumen.
A61B 17/29 - Forceps for use in minimally invasive surgery
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 instrument includes, a lumen, a handpiece affixed to the proximal end of the lumen and including an actuator, a proximal articulable segment, the proximal end of the proximal articulable segment pivotably attached to the distal end of the lumen, an actuation cable extending from the actuator through the lumen and into the proximal articulable segment, and a cable router having a proximal knuckle assembly having a proximal segment knuckle affixed to the proximal end of the proximal articulable segment, a lumen knuckle affixed to the distal end of the lumen, and a proximal hinge pin knuckle positioned about the proximal hinge pin, wherein the cable is bent against the proximal segment knuckle, the lumen knuckle and the proximal hinge pin knuckle when the proximal articulable segment is generally parallel with the lumen.
A system for tissue dissection and retraction is disclosed herein. A tissue dissection assembly generally comprises an elongate body shaft, an actuation member movable relative to the elongate body shaft, and at least one dissector arm member having at least a first end attached to the elongate body shaft, wherein the at least one dissector arm member is adapted to reconfigure within a plane from a low profile to an expanded profile when urged via the actuation member, and wherein the at least one dissector arm is further adapted to dissect tissue within the plane. In use, the assembly dissects tissue within the plane typically by advancing the elongate body shaft into the tissue region where the dissector arm member or members are then reconfigured within the plane from its low profile to its expanded profile to thereby dissect the tissue region along the plane.
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 17/00 - Surgical instruments, devices or methods
A61B 17/29 - Forceps for use in minimally invasive surgery
An endoscopic video system for visualizing an internal body cavity is provided. The endoscopic video system may include a first instrument and a second instrument. The first instrument may include a light configured to illuminate the cavity, and a first camera configured to capture first images of the illuminated cavity. The second instrument may include a surgical tool configured to perform a surgical procedure, and a second camera configured to capture second images of the illuminated cavity. In addition, the endoscopic video system may further include a video control unit configured to receive the captured first and second images, and a video display configured to display the captured first and second images transmitted from the video control unit.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 1/05 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion
A61B 17/128 - Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord for applying or removing clamps or clips
A61B 1/313 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for introducing through surgical openings, e.g. laparoscopes
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 endoscopic video system for visualizing an internal body cavity is provided. The endoscopic video system may include a first instrument and a second instrument. The first instrument may include a light configured to illuminate the cavity, and a first camera configured to capture first images of the illuminated cavity. The second instrument may include a surgical tool configured to perform a surgical procedure, and a second camera configured to capture second images of the illuminated cavity. In addition, the endoscopic video system may further include a video control unit configured to receive the captured first and second images, and a video display configured to display the captured first and second images transmitted from the video control unit.
A61B 1/04 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor combined with photographic or television appliances
A61B 1/06 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor with illuminating arrangements
A bipolar scissor for cutting and coagulating tissue includes a first blade having a first cutting edge and a first shearing blade surface and a second blade having a second cutting edge and a second shearing blade surface. Additionally, one of the first and second blades may include a non-conductive material having an embedded electrode.
A61B 18/12 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
A bipolar scissor for cutting and coagulating tissue includes a first blade having a first cutting edge and a first shearing blade surface and a second blade having a second cutting edge and a second shearing blade surface. Additionally, one of the first and second blades may include a non-conductive material having an embedded electrode.
A clip applier for deploying a surgical clip includes an actuator having a flexible wire and a collet chuck coupled to a piston. Further, actuation of the piston in a forward direction towards a distal end of the clip applier advances the flexible wire in the forward direction.
A61B 17/10 - Surgical instruments, devices or methods for closing wounds or holding wounds closedAccessories for use therewith for applying or removing wound clampsWound clamp magazines
45.
ACTUATOR AND DETACHABLE CONNECTOR OF FLEXIBLE CLIP APPLIER
A clip applier for deploying a surgical clip includes an actuator having a flexible wire and a collet chuck coupled to a piston. Further, actuation of the piston in a forward direction towards a distal end of the clip applier advances the flexible wire in the forward direction.
A61B 17/10 - Surgical instruments, devices or methods for closing wounds or holding wounds closedAccessories for use therewith for applying or removing wound clampsWound clamp magazines
A61B 17/128 - Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord for applying or removing clamps or clips
A61B 17/29 - Forceps for use in minimally invasive surgery
46.
ACTUATOR AND DETACHABLE CONNECTOR OF FLEXIBLE CLIP APPLIER
A clip applier for deploying a surgical clip includes an actuator having a flexible wire and a collet chuck coupled to a piston. Further, actuation of the piston in a forward direction towards a distal end of the clip applier advances the flexible wire in the forward direction.
A61B 17/10 - Surgical instruments, devices or methods for closing wounds or holding wounds closedAccessories for use therewith for applying or removing wound clampsWound clamp magazines
A61B 17/128 - Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord for applying or removing clamps or clips
A61B 17/29 - Forceps for use in minimally invasive surgery
A clip applier includes a shaft having a proximal end and a distal end. Further, the distal end of the shaft includes a flexible tool having at least two rails connected to each other by at least one jointed connection, and the at least two rails configured to rotate about the jointed connection. Additionally, a pair of jaws may be provided at a distal end of the flexible tool. Further, an actuator may be provided at the proximal end of the shaft to advance the surgical clip within the flexible tool.
A61B 17/10 - Surgical instruments, devices or methods for closing wounds or holding wounds closedAccessories for use therewith for applying or removing wound clampsWound clamp magazines
A61B 17/128 - Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord for applying or removing clamps or clips
A61B 17/00 - Surgical instruments, devices or methods
A61B 17/122 - Clamps or clips, e.g. for the umbilical cord
A61B 17/29 - Forceps for use in minimally invasive surgery
A tissue cutting and sealing device, having a pair of opposing elements dimensioned to grasp tissue therebetween; and a heating assembly on at least one of the opposing elements, wherein the heating assembly includes: a ceramic body; and a metalized portion extending along a top surface of the ceramic body. The top surface of the ceramic body preferably has a width greater than the metalized portion.
A61B 18/12 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
A surgical tool assembly includes a pair of opposing jaws pivotally connected to each other. Further, at least one viewing opening may be provided in at least one of the opposing jaws. In this regard, the at least one viewing opening may extend from an upper to a lower surface of the opposing jaw in which the viewing opening is provided. Additionally, the at least one viewing opening may include a material retainer provided proximate the lower surface of the opposing jaw in which the at least one viewing opening is provided. Further, the material retainer may include an inclined surface inclined towards a central axis of the at least one viewing opening. Further, a grasping insert may be molded onto a lower surface of the opposing jaw in which the viewing opening is provided and an elastomeric material of the grasping inserts may within the at least one viewing opening, the material of the grasping inserts covering the inclined surface of the first material retainer.
A surgical tool assembly is provided having a surgical tool, a scope; and a detachable clip which couples the tool and scope. The clip includes a first grip which engages a peripheral surface of the tool and a second grip which engages a peripheral surface of the scope. Additionally, the first and second grips may be formed continuously with one another.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A medical device may include a tube having a first end and a second end, in which the first end can engage an instrument tip, an inner shaft disposed in the tube, a shaft end connected to the inner shaft and which can move lengthwise relative to the tube, a first abutment surface to abut a first shaft end stop of the shaft end, and a second abutment surface to abut a second shaft end stop of the shaft end generally opposite the first shaft end stop of the shaft end, in which the shaft end can slidably move along a length constrained by the abutment of the first shaft end stop against the first abutment surface and the second shaft end stop against the second abutment surface, and in which either one or both of the first abutment surface or the second abutment surface is positionally adjustable relative to the tube.
Devices and methods for thermal ablation of hypertrophied tissue, such as turbinates, with a resistive heating element adapted for insertion into the tissue. The device uses DC current to heat the resistive heating element, and is operated at relatively low voltage levels and low current levels. The device is easy to operate, and may be applied for predetermined time periods without feedback control, using a timing circuit or computerized control system. The resistive heating element is covered with a thin, non-stick, coating that is thermally conductive, such as Xylanꡞ, Teflonꡞ or other fluoropolymer or suitable material.
A61B 18/08 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by means of electrically-heated probes
A medical device includes a tube end to which a tip having a medical tool is attached. The tip includes a tip housing and a lock tab, as well as a yoke. The tube end includes an outer tube and an inner shaft, in which the inner shaft engages the yoke and the outer tube engages the tip housing. The lock tab fits into a recess in the outer tube to prevent twisting of the tip when engaged with the tube end, and the yoke includes a locking ring to which a spring protrudes, to fixedly and detachably connect the tip to the tube end.
A trigger lockout device for a clip applying instrument. The lockout device includes a displaceable slider actuable by squeezing a trigger slidable in first and second directions a longitudinal axial direction within the barrel, and a block disposed within the barrel. When a first number of clips have not been applied and when the trigger is squeezed, the slider slidably engages and displaces the block and slides along a path in the axial direction to retrieve a clip of the first number of clips, and to insert the clip into the pair of jaws, and when a second number or none of the clips have not been applied, the slider engages the block to substantially prevent the slider from sliding along the path in at least one of the first or second directions such that the triggery cannot be unsqueezed.
A61B 17/10 - Surgical instruments, devices or methods for closing wounds or holding wounds closedAccessories for use therewith for applying or removing wound clampsWound clamp magazines
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
B31B 1/00 - Box, carton, envelope or bag making machinery characterised by performing specific operations
An electrosurgical instrument is disclosed for simplifying making incisions and other treatments using electrosurgery. The electrosurgical instrument comprises a body having at least one conductive element that is surrounded by an insulation layer except at a conductor edge portion of the conductive element. The conductor edge portion and insulation layer each having unique geometric shapes and composition of the parts to reduce or eliminate the production of smoke and eschar and reduce tissue damage. The outer profile of the insulation layer and conductive element are configured to facilitate the flow of electrosurgical decomposition products away from the conductor edge where they are formed.
An electrosurgical blade includes a conductive element that is surrounded by an insulation layer except at a conductor edge portion of the conductive element. The conductor edge portion and insulation layer each have unique geometric shapes and composition of the parts to reduce or eliminate the production of smoke and eschar and reduce tissue damage. The outer profile of the insulation layer and conductive element are configured to facilitate the flow of electrosurgical decomposition products away from the conductor edge where they are formed.
A system for tissue dissection and retraction is disclosed herein. A tissue dissection assembly generally comprises an elongate body shaft, an actuation member movable relative to the elongate body shaft, and at least one dissector arm member having at least a first end attached to the elongate body shaft, wherein the at least one dissector arm member is adapted to reconfigure within a plane from a low profile to an expanded profile when urged via the actuation member, and wherein the at least one dissector arm is further adapted to dissect tissue within the plane. In use, the assembly dissects tissue within the plane typically by advancing the elongate body shaft into the tissue region where the dissector arm member or members are then reconfigured within the plane from its low profile to its expanded profile to thereby dissect the tissue region along the plane.
An electrosurgical instrument includes a conductive element in the form of a needle that is surrounded by an insulation layer except at a conductor tip portion of the conductive element. The conductor tip portion and insulation layer each have unique geometric shapes and composition of the parts to reduce or eliminate the production of smoke and eschar and reduce tissue damage. The electrosurgical needle electrode is configured to concentrate the flow of electrosurgical at the tip region.
An electrosurgical needle includes a body having at least one conductive element in the form of a needle that is surrounded by an insulation layer except at a conductor tip portion of the conductive element. The conductor tip portion and insulation layer each have unique geometric shapes and composition of the parts to reduce or eliminate the production of smoke and eschar and reduce tissue damage. The electrosurgical needle electrode is configured to concentrate the flow of electrosurgical energy at the tip region.
A method for conducting electrosurgery using increased crest factors employs an electrosurgical instrument having at least one conductive element that is surrounded by an insulation layer except at a conductor edge portion of the conductive element. The conductor edge portion and insulation layer each having unique geometric shapes and composition of the parts concentrate the electrosurgical power, reduce or eliminate the production of smoke and eschar and reduce tissue damage. The outer profile of the insulation layer and conductive element are configured to facilitate the flow of electrosurgical decomposition products away from the conductor edge where they are formed. The combined effects of the electrosurgical instrument configurations enable safe use of crest factors of 5 or greater in electrosurgical procedures.
Surgical devices, namely tissue cutting and sealing systems
comprised of thermal cautery devices, power supplies and
batteries therefor, and accessories therefor; surgical
instruments for use in otolaryngological procedures.
An battery-powered electrosurgical instrument includes a blade having a conductor edge portion and insulation layer with geometric shapes and composition that concentrate electrosurgical energy and reduce or eliminate the production of smoke and eschar and reduce tissue damage, thereby providing more efficient application of electrosurgical energy. The more efficient use of electrosurgical energy permits configuring the system to be battery-powered. The system may be portable or configured as a battery-backup powered system.
An improved electrosurgical instrument includes a body having more than two electrodes with at least two electrodes having alternating current power supplied to them provide a bipolar alternating current configuration and employ a means other than electrode spacing for reducing or preventing accumulation of eschar. The electrodes are separated from each other using electrically insulating materials such that electric current does not flow between at least two of the bipolar alternating current electrodes unless they contact at least one other electrically conductive medium, such as patient tissue. The conductor edge portion and insulation layer each have geometric shapes and composition to reduce or eliminate the production of smoke and eschar and reduce tissue damage. The outer profile of the insulation layer and conductive element are configured to facilitate the flow of electrosurgical decomposition products away from the conductor edge where they are formed.
An electrosurgical instrument blade includes a body having more than two electrodes with at least two electrodes having alternating current power supplied to them provide a bipolar alternating current configuration and employ a means other than electrode spacing for reducing or preventing accumulation of eschar. The electrodes are separated from each other using electrically insulating materials such that electric current does not flow between at least two of the bipolar alternating current electrodes unless they contact at least one other electrically conductive medium, such as patient tissue. The conductor edge portion and insulation layer each have geometric shapes and composition to reduce or eliminate the production of smoke and eschar and reduce tissue damage. The outer profile of the insulation layer and conductive element are configured to facilitate the flow of electrosurgical decomposition products away from the conductor edge where they are formed.
A tissue cutting and sealing device, having a pair of opposing elements dimensioned to grasp tissue therebetween; and a heating assembly on at least one of the opposing elements, wherein the heating assembly includes: a ceramic body; and a metalized portion extending along a top surface of the ceramic body. The top surface of the ceramic body preferably has a width greater than the metalized portion.
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
71.
Integrated metalized ceramic heating element for use in a tissue cutting and sealing device
A tissue cutting and sealing device, having a pair of opposing elements dimensioned to grasp tissue therebetween; and a heating assembly on at least one of the opposing elements, wherein the heating assembly includes: a ceramic body; and a metalized portion extending along a top surface of the ceramic body. The top surface of the ceramic body preferably has a width greater than the metalized portion.
A61B 18/12 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
72.
INTEGRATED METALIZED CERAMIC HEATING ELEMENT FOR USE IN A TISSUE CUTTING AND SEALING DEVICE
A tissue cutting and sealing device, having a pair of opposing elements dimensioned to grasp tissue therebetween; and a heating assembly on at least one of the opposing elements, wherein the heating assembly includes: a ceramic body; and a metalized portion extending along a top surface of the ceramic body. The top surface of the ceramic body preferably has a width greater than the metalized portion.
A61B 18/08 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by means of electrically-heated probes
Surgical devices, namely tissue cutting and sealing systems comprised of thermal cautery devices, power supplies and batteries therefor, and accessories therefor; surgical instruments for use in otolaryngological procedures
75.
SYSTEM FOR REGULATING HEATING IN A TISSUE SEALING AND CUTTING DEVICE
A device for handling tissue; including: a main body; a pair of opposing arms connected to the main body, the opposing arms having working surfaces thereon; a heating element disposed on one of the working surfaces; and a resistive element wired in parallel with the heating element.
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
An improved insulating layer for electrosurgical instruments and its use for electrosurgical instruments for reducing smoke generation at a surgical site is disclosed. The insulating layer may include a ceramic material that is substantially sealed with a coating comprising substantially of a material based on polydiorganosiloxanes or derivatives thereof that have been cured. Such an insulating layer may advantageously include one or more insulating materials with pores that have been sealed so as to prevent biological materials from entering the pores with such sealing material preferably containing one or more of silicate materials or materials that form silicates. Heat sinks may be included in various embodiments to establish a thermal gradient away from functional portions of the instrument.
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
A ligation clip applicator design is provided that is particularly applicable to placement of a surgical ligation clip during a laparoscopic surgical procedure. The applicator has a magazine including first and second longitudinally extending partially closed channels within which enlarged portions of a ligation clip are received and held in an open position. First and second substantially parallel compression members are attached to the magazine and have first and second channel extensions therein aligned with the first and second channels of the magazine for receiving the first and second enlarged portions of the clip. The channel extensions include first and second releasing openings. The compression members close about a vessel, remaining substantially parallel as they close. The clip is pushed forward into the compression members to a position where the enlarged portions of the clip are aligned with the releasing openings, permitting the clip to be released to close and ligate the vessel.
Thermal cautery and thermal ligating devices (1)improved by the addition of a thermally conductive plate proximate the resistive heating element (11) used in those devices.
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 18/08 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by means of electrically-heated probes
79.
THERMAL CAUTERY DEVICES WITH IMPROVED HEATING PROFILES AND METHOD OF TESTING THERMAL CAUTERY DEVICES
A method of testing surgical devices is provided. This method provides providing a surgical device, said surgical device comprising means for thermally affecting body tissue of a human; providing an earth worm as a model of human body tissue; applying the surgical device to the earth worm and applying power to the device to thermally affect the earth worm; making a measurement at least one of strength of a seal resulting from applying the surgical device to the earth worm and effectiveness of the seal; translating the measurement of at least one of strength of the seal and effectiveness of the seal into a suitability of the device for use on human body tissue. The method allows for testing the suitability of the device for use in human body tissue, but by using another live tissue which closely approximates the sealing behaviour of vascularized human body tissue.
A61B 18/08 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by means of electrically-heated probes
An occlusion clip is disclosed that comprises an upper occlusion member having substantially parallel first and second upper occlusion arms each having proximal and distal upper occlusion arm ends. The first and second upper occlusion arms define an upper main body width dimension. An upper arcuate portion connects the first and second upper occlusion arms at their distal ends. The occlusion clip also comprises a lower occlusion member having substantially parallel first and second lower occlusion arms each having proximal and distal lower occlusion arm ends. The first and second lower occlusion arms define a lower main body width dimension. A lower arcuate portion connects the first and second lower occlusion arms at their distal ends. The occlusion clip further comprises a torsion spring connecting the proximal end of the first lower occlusion arm to the proximal end of the second upper occlusion arm. The torsion spring biases the upper and lower occlusion members toward a closed position wherein the upper occlusion member is in contact with the lower occlusion member.
A61B 17/10 - Surgical instruments, devices or methods for closing wounds or holding wounds closedAccessories for use therewith for applying or removing wound clampsWound clamp magazines
