Patent application number | Description | Published |
20090008425 | Angled surgical fastener apparatus - A surgical fastening apparatus includes a handle, an elongated member extending distally from the handle and a fastener applier and anvil head disposed at the distal end of the elongated member. The elongated member defines a distal offset end portion upon which the fastener applier and the anvil head are mounted. The offset end portion is angularly oriented with respect to the axis of the instrument at a predetermined fixed angle (e.g., either 45°, 60° and 75° relative to the axis of the instrument) thereby positioning the fastener applier and the anvil head at the fixed angle This feature facilitates positioning of the tissue with respect to the instrument and enhances visual access to the tissue when appropriately disposed within the fastener applier and the anvil head. Various mechanisms for effectuating the clamping of the tissue between the fastener holder and anvil, and the firing of the instrument are disclosed. | 01-08-2009 |
20090272784 | SURGICAL INSTRUMENT WITH CLAMP - A surgical instrument for surgically joining tissue is disclosed. The surgical instrument includes a handle portion, an endoscopic portion, a pair of jaw members and a clamp. The endoscopic portion extends distally from the handle portion and defines a first longitudinal axis. The pair of jaw members is disposed adjacent a distal end of the endoscopic portion and extends generally distally therefrom. At least one of the jaw members is movable with respect to the other between an open position and an approximated position for engaging body tissue therebetween. The clamp is disposed adjacent the jaw members and extends generally distally from the endoscopic portion. The clamp is movable between an open position and an approximated position for engaging body tissue. The clamp is independently movable with respect to the jaw members. | 11-05-2009 |
20090302092 | SURGICAL STAPLING INSTRUMENT WITH INDEPENDENT SEQUENTIAL FIRING - An end effector for a surgical fastener applying instrument including a first jaw member and a second jaw member. The second jaw member includes first and second cartridges each containing a plurality of surgical fasteners, wherein each of the first and second cartridges is configured to move independently with respect to the first jaw member between a proximal position and a distal | 12-10-2009 |
20100072257 | Tissue Stop for Surgical Instrument - A surgical including a handle assembly, an elongated portion, an end effector, and a stop member is disclosed. The elongated portion extends distally from the handle assembly. The end effector is disposed adjacent a distal portion of the elongated portion and includes a first jaw member and a second jaw member. At least one jaw member is movable with respect to the other jaw member between spaced and approximated positions. The stop member is disposed adjacent a distal portion of the first jaw member and is pivotable with respect to the first jaw member between a first position, a significant portion of the stop member being positioned external to the first jaw member, and a second position capturing the tissue between the first jaw member and second jaw member. | 03-25-2010 |
20100072258 | Surgical Instrument And Loading Unit For Use Therewith - A surgical instrument is disclosed. The surgical instrument includes a handle assembly, a drive assembly, an endoscopic portion, a pair of jaw members, a dynamic clamping member, and a tissue stop. The drive assembly is disposed in mechanical cooperation with a movable handle of the handle assembly. The endoscopic portion defines a first longitudinal axis. The jaw members are each longitudinally curved with respect to the longitudinal axis. The dynamic clamping member is disposed in mechanical cooperation with a distal portion of the drive assembly and includes an upper beam, a lower beam, and a vertical beam having a cutting edge on a distal portion thereof. At least a portion of the dynamic clamping member is longitudinally curved with respect to the longitudinal axis. The tissue stop is disposed adjacent a distal portion of the first jaw member and configured to impede tissue from distally escaping the jaw members. | 03-25-2010 |
20100076459 | Knife Bar for Surgical Instrument - A surgical instrument for surgically joining tissue includes a handle assembly, an elongate member extending distally from the handle assembly, an end effector disposed adjacent a distal portion of the elongate member, and an actuation assembly operatively associated with the handle assembly. The actuation mechanism includes a thrust bar disposed at least partially within the elongate member and a distal slide member. The thrust bar has a proximal portion, a distal portion, a first lateral side and a second lateral side and is configured to move between proximal and distal positions with respect to the handle assembly. The distal slide member is positioned adjacent the first lateral side of the thrust bar and is adjacent the distal portion of the thrust bar. The proximal portion of the distal slide member is adapted to slide relative to the thrust bar when thrust bar moves in a curvilinear direction. | 03-25-2010 |
20100094289 | Endoscopic Vessel Sealer and Divider Having a Flexible Articulating Shaft - An electrosurgical instrument for treating tissue includes a housing having a shaft extending therefrom having an axis A-A defined therethrough. The shaft is at least partially flexible and includes first and second jaw members attached at a distal end thereof. Each jaw member includes an electrically conductive tissue contacting surface adapted to connect to a source of electrosurgical energy such that the electrically conductive tissue contacting surfaces are capable of conducting electrosurgical energy through tissue held therebetween. A drive assembly is disposed in the housing and has a first actuator operably coupled to a drive rod for reciprocation thereof to move the jaw members from a first position in spaced relation to one another to a second position closer to one another for engaging tissue. A second actuator is disposed on the housing and is actuatable to articulate the shaft. | 04-15-2010 |
20100179540 | Endoscopic Vessel Sealer and Divider Having a Flexible Articulating Shaft - An electrosurgical instrument for treating tissue includes a housing having a shaft extending therefrom having an axis A-A defined therethrough. The shaft is at least partially flexible and includes first and second jaw members attached at a distal end thereof. Each jaw member includes an electrically conductive tissue contacting surface adapted to connect to a source of electrosurgical energy such that the electrically conductive tissue contacting surfaces are capable of conducting electrosurgical energy through tissue held therebetween. A drive assembly is disposed in the housing and has a first actuator operably coupled to a drive rod for reciprocation thereof to move the jaw members from a first position in spaced relation to one another to a second position closer to one another for engaging tissue. A second actuator is disposed on the housing and is actuatable to articulate the shaft. | 07-15-2010 |
20100213238 | SURGICAL INSTRUMENT AND LOADING UNIT FOR USE THEREWITH - A surgical instrument is disclosed. The surgical instrument includes a handle assembly having a movable handle; an endoscopic portion extending distally from the handle and defining a longitudinal axis; a pair of jaw members; and a drive assembly. The jaw members are disposed adjacent a distal end of the endoscopic portion and extend generally distally therefrom. Each jaw member is longitudinally curved with respect to the longitudinal axis. At least one jaw member is movable with respect to the other between open and approximated positions. A first jaw member includes a channel having a longitudinally-extending slot therein. The drive assembly is advanced distally through at least a portion of the length of the jaw members in response to at least a partial actuation of the movable handle. A lower portion of the drive assembly is configured and dimensioned to travel at least partially within the longitudinally-extending slot of the channel. | 08-26-2010 |
20100222747 | SURGICAL ACCESS APPARATUS - An access apparatus for use during a surgical procedure to provide access to the interior of the body includes an access member defining a longitudinal axis and having a proximal end for being disposed at an exterior side of the body and a distal end for extending into the interior of the body. The access member has a bore therethrough dimensioned to permit passage of an object. A seal is disposed within the bore of the access member. The seal includes a fabric material and an elastomeric material, and defines an internal passageway dimensioned to form a substantial sealing relation with an object inserted therethrough. | 09-02-2010 |
20110101066 | LOCKING SHIPPING WEDGE - A locking shipping wedge is provided and generally includes a body portion having an elongate transverse member projecting from the body portion which is engageable with a drive assembly of a loading unit. A locking mechanism is provided on the body portion of the shipping wedge which is engageable with locking structure movably mounted within the loading unit. | 05-05-2011 |
20110114702 | Tissue Stop for Surgical Instrument - A surgical including a handle assembly, an elongated portion, an end effector, and a stop member is disclosed. The elongated portion extends distally from the handle assembly. The end effector is disposed adjacent a distal portion of the elongated portion and includes a first jaw member and a second jaw member. At least one jaw member is movable with respect to the other jaw member between spaced and approximated positions. The stop member is disposed adjacent a distal portion of the first jaw member and is pivotable with respect to the first jaw member between a first position, a significant portion of the stop member being positioned external to the first jaw member, and a second position capturing the tissue between the first jaw member and second jaw member. | 05-19-2011 |
20110125186 | FOAM INTRODUCTION SYSTEM INCLUDING MODIFIED PORT GEOMETRY - A surgical apparatus for positioning within a tissue tract accessing an underlying body cavity includes a seal anchor member including leading portion, a trailing portion, and an intermediate portion disposed between the leading and trailing portions. The leading portion of the seal anchor member is configured and adapted to ease insertion of the seal anchor member into the tissue tract. Subsequent to insertion of the seal anchor member, the leading portion of the seal anchor member is also configured and adapted to facilitate securing and/or anchoring of the seal anchor member within the tissue tract. | 05-26-2011 |
20110163150 | TISSUE STOP FOR SURGICAL INSTRUMENT - A surgical including a handle assembly, an elongated portion, an end effector, and a stop member is disclosed. The elongated portion extends distally from the handle assembly. The end effector is disposed adjacent a distal portion of the elongated portion and includes a first jaw member and a second jaw member. At least one jaw member is movable with respect to the other jaw member between spaced and approximated positions. The stop member is disposed adjacent a distal portion of the first jaw member and is pivotable with respect to the first jaw member between a first position, a significant portion of the stop member being positioned external to the first jaw member, and a second position capturing the tissue between the first jaw member and second jaw member. | 07-07-2011 |
20110166423 | FOAM PORT INTRODUCTION SYSTEM INCLUDING DILATOR - A surgical apparatus for positioning within a tissue tract accessing an underlying body cavity, comprising a compressible seal anchor member including a leading end configured for insertion within the tissue tract and a trailing end configured to remain outside of the tissue tract, the compressible seal anchor member having at least one longitudinal port extending between the leading and trailing ends for substantially sealed reception of an object therein, the compressible seal anchor member including a bore for receipt of a dilator. | 07-07-2011 |
20110264137 | Surgical instrument and loading unit for use therewith - A surgical instrument is disclosed. The surgical instrument includes a handle assembly, a drive assembly, an endoscopic portion, a pair of jaw members, a dynamic clamping member, and a tissue stop. The drive assembly is disposed in mechanical cooperation with a movable handle of the handle assembly. The endoscopic portion defines a first longitudinal axis. The jaw members are each longitudinally curved with respect to the longitudinal axis. The dynamic clamping member is disposed in mechanical cooperation with a distal portion of the drive assembly and includes an upper beam, a lower beam, and a vertical beam having a cutting edge on a distal portion thereof. At least a portion of the dynamic clamping member is longitudinally curved with respect to the longitudinal axis. The tissue stop is disposed adjacent a distal portion of the first jaw member and configured to impede tissue from distally escaping the jaw members. | 10-27-2011 |
20110284614 | SURGICAL INSTRUMENT WITH CLAMP - A surgical instrument for surgically joining tissue is disclosed. The surgical instrument includes a handle portion, an endoscopic portion, a pair of jaw members and a clamp. The endoscopic portion extends distally from the handle portion and defines a longitudinal axis. The pair of jaw members is disposed adjacent a distal end of the endoscopic portion. At least one of the jaw members is movable with respect to the other between an open position and an approximated position for engaging body tissue therebetween. The pair of jaw members is curved with respect to the longitudinal axis. The clamp is disposed adjacent the jaw members. The clamp is movable between an open position and an approximated position for engaging body tissue. The clamp is independently movable with respect to the jaw members and is curved with respect to the longitudinal axis. | 11-24-2011 |
20110284616 | SURGICAL STAPLING INSTRUMENT WITH INDEPENDENT SEQUENTIAL FIRING - An end effector for a surgical fastener applying instrument including a first jaw member and a second jaw member. The second jaw member includes first and second cartridges each containing a plurality of surgical fasteners, wherein each of the first and second cartridges is configured to move independently with respect to the first jaw member between a proximal position and a distal position. | 11-24-2011 |
20120041271 | SURGICAL ACCESS APPARATUS - An access apparatus for use during a surgical procedure to provide access to the interior of the body includes an access member defining a longitudinal axis and having a proximal end for being disposed at an exterior side of the body and a distal end for extending into the interior of the body. The access member has a bore therethrough dimensioned to permit passage of an object. A seal is disposed within the bore of the access member. The seal includes a fabric material and an elastomeric material, and defines an internal passageway dimensioned to form a substantial sealing relation with an object inserted therethrough. | 02-16-2012 |
20120080473 | Tissue Stop for Surgical Instrument - A surgical instrument including a handle assembly, an elongate portion, a pair of opposed jaw members and a tissue stop is disclosed. The elongate portion extends distally from the handle assembly, and the pair of opposed jaw members extend distally from the elongate portion. The pair of opposed jaw members include first and second jaw members. The tissue stop cammingly engaged with the first jaw member and is movable between a first position where at least a portion of a stopping portion of the tissue stop is disposed between a tissue-contacting surface of the first jaw member and a tissue-contacting surface of the second jaw member and a second position where the portion of the stopping portion is between the tissue-contacting surface of the first jaw member and a lower surface of the first jaw member. | 04-05-2012 |
20120080474 | Tissue Stop For Surgical Instrument - A surgical instrument for surgically joining a tissue is disclosed. The surgical instrument comprises a handle assembly, an elongate portion extending distally from the handle assembly, a pair of opposed jaw members, and a tissue stop. The tissue stop is mechanically engaged with a first jaw member and is configured to retain the tissue between jaw members. The tissue stop is movable between a first position, where a stopping portion of the tissue stop is disposed between a tissue-contacting surface of the first jaw member and a tissue-contacting surface of the second jaw member, and a second position, where the stopping portion is between the tissue-contacting surface of the first jaw member and a lower surface of the first jaw member. A portion of the tissue stop is made of stamped metal section and a portion of the tissue stop is made of an overmolded plastic section. | 04-05-2012 |
20120132663 | Jaw Restraint - A jaw restraint is provided to temporarily secure an anvil assembly relative to a cartridge assembly during shipping. The jaw restraint generally includes a body portion having an upper arm for releasably securing the anvil assembly and a lower arm for releasably securing the cartridge assembly. An inwardly projection is provided between the upper and lower arms. The anvil assembly is secured between the upper arm and the inwardly directed projection and the cartridge assembly is secured between the lower arm of the inwardly directed projection. One or more finger members extending proximally from the body portion may be provided to facilitate biasing the upper arm away from the lower arm to release the anvil and cartridge assemblies from the jaw restraint. The jaw restraint may be provided with structure for engagement with shipping packaging. | 05-31-2012 |
20120145714 | Cartridge Shipping Aid - A cartridge shipping aid is provided to retain staples within staple pockets of a staple cartridge during shipment. The cartridge shipping aid includes a base and a longitudinal rib extending perpendicularly from an underside of the base and indiscernible into a knife slot formed in a staple cartridge. One or more perpendicular keys are formed along a lower edge of the longitudinally extending rib for engagement with an underside surface of the staple cartridge. The cartridge shipping aid may additionally include sidewalls projecting perpendicularly from outer edges of the base. Projections are formed on one end of the base for engagement with associate detents formed on the staple cartridge. Grasping structure is formed adjacent one end of the base and longitudinal rib. | 06-14-2012 |
20120193397 | SURGICAL STAPLING INSTRUMENT WITH INDEPENDENT SEQUENTIAL FIRING - An end effector for a surgical fastener applying instrument including a first jaw member and a second jaw member. The second jaw member includes first and second cartridges each containing a plurality of surgical fasteners, wherein each of the first and second cartridges is configured to move independently with respect to the first jaw member between a proximal position and a distal position. | 08-02-2012 |
20120267418 | Locking Shipping Wedge - A locking shipping wedge is provided and generally includes a body portion having an elongate transverse member projecting from the body portion which is engageable with a drive assembly of a loading unit. A locking mechanism is provided on the body portion of the shipping wedge which is engageable with locking structure movably mounted within the loading unit. | 10-25-2012 |
20120325891 | Surgical Instrument and Loading Unit for Use Therewith - A surgical instrument is disclosed. The surgical instrument includes a handle assembly, a drive assembly, an endoscopic portion, a pair of jaw members, a dynamic clamping member, and a tissue stop. The drive assembly is disposed in mechanical cooperation with a movable handle of the handle assembly. The endoscopic portion defines a first longitudinal axis. The jaw members are each longitudinally curved with respect to the longitudinal axis. The dynamic clamping member is disposed in mechanical cooperation with a distal portion of the drive assembly and includes an upper beam, a lower beam, and a vertical beam having a cutting edge on a distal portion thereof. At least a portion of the dynamic clamping member is longitudinally curved with respect to the longitudinal axis. The tissue stop is disposed adjacent a distal portion of the first jaw member and configured to impede tissue from distally escaping the jaw members. | 12-27-2012 |
20130087601 | Tissue Stop for Surgical Instrument - A surgical including a handle assembly, an elongated portion, an end effector, and a stop member is disclosed. The elongated portion extends distally from the handle assembly. The end effector is disposed adjacent a distal portion of the elongated portion and includes a first jaw member and a second jaw member. At least one jaw member is movable with respect to the other jaw member between spaced and approximated positions. The stop member is disposed adjacent a distal portion of the first jaw member and is pivotable with respect to the first jaw member between a first position, a significant portion of the stop member being positioned external to the first jaw member, and a second position capturing the tissue between the first jaw member and second jaw member. | 04-11-2013 |
20130119109 | SURGICAL INSTRUMENT AND LOADING UNIT FOR USE THEREWITH - A surgical instrument is disclosed. The surgical instrument includes a handle assembly having a movable handle; an endoscopic portion extending distally from the handle and defining a longitudinal axis; a pair of jaw members; and a drive assembly. The jaw members are disposed adjacent a distal end of the endoscopic portion and extend generally distally therefrom. Each jaw member is longitudinally curved with respect to the longitudinal axis. At least one jaw member is movable with respect to the other between open and approximated positions. A first jaw member includes a channel having a longitudinally-extending slot therein. The drive assembly is advanced distally through at least a portion of the length of the jaw members in response to at least a partial actuation of the movable handle. A lower portion of the drive assembly is configured and dimensioned to travel at least partially within the longitudinally-extending slot of the channel. | 05-16-2013 |
20130231643 | LOCKING SHIPPING WEDGE - A locking shipping wedge is provided and generally includes a body portion having an elongate transverse member projecting from the body portion which is engageable with a drive assembly of a loading unit. A locking mechanism is provided on the body portion of the shipping wedge which is engageable with locking structure movably mounted within the loading unit. | 09-05-2013 |
20130274559 | Foam Introduction System Including Modified Port Geometry - A surgical apparatus for positioning within a tissue tract accessing an underlying body cavity includes a seal anchor member including leading portion, a trailing portion, and an intermediate portion disposed between the leading and trailing portions. The leading portion of the seal anchor member is configured and adapted to ease insertion of the seal anchor member into the tissue tract. Subsequent to insertion of the seal anchor member, the leading portion of the seal anchor member is also configured and adapted to facilitate securing and/or anchoring of the seal anchor member within the tissue tract. | 10-17-2013 |
20130274741 | Endoscopic Vessel Sealer and Divider Having a Flexible Articulating Shaft - An electrosurgical instrument for treating tissue includes a housing having a shaft extending therefrom having an axis A-A defined therethrough. The shaft is at least partially flexible and includes first and second jaw members attached at a distal end thereof. Each jaw member includes an electrically conductive tissue contacting surface adapted to connect to a source of electrosurgical energy such that the electrically conductive tissue contacting surfaces are capable of conducting electrosurgical energy through tissue held therebetween. A drive assembly is disposed in the housing and has a first actuator operably coupled to a drive rod for reciprocation thereof to move the jaw members from a first position in spaced relation to one another to a second position closer to one another for engaging tissue. A second actuator is disposed on the housing and is actuatable to articulate the shaft. | 10-17-2013 |
20130299550 | TISSUE STOP FOR SURGICAL INSTRUMENT - A surgical instrument including a handle assembly, an elongate portion, a pair of opposed jaw members and a tissue stop is disclosed. The elongate portion extends distally from the handle assembly, and the pair of opposed jaw members extend distally from the elongate portion. The pair of opposed jaw members include first and second jaw members. The tissue stop cammingly engaged with the first jaw member and is movable between a first position where at least a portion of a stopping portion of the tissue stop is disposed between a tissue-contacting surface of the first jaw member and a tissue-contacting surface of the second jaw member and a second position where the portion of the stopping portion is between the tissue-contacting surface of the first jaw member and a lower surface of the first jaw member. | 11-14-2013 |
20140103090 | KNIFE BAR FOR SURGICAL INSTRUMENT - A surgical instrument for surgically joining tissue includes a handle assembly, an elongate member extending distally from the handle assembly, an end effector disposed adjacent a distal portion of the elongate member, and an actuation assembly operatively associated with the handle assembly. The actuation mechanism includes a thrust bar disposed at least partially within the elongate member and a distal slide member. The thrust bar has a proximal portion, a distal portion, a first lateral side and a second lateral side and is configured to move between proximal and distal positions with respect to the handle assembly. The distal slide member is positioned adjacent the first lateral side of the thrust bar and is adjacent the distal portion of the thrust bar. The proximal portion of the distal slide member is adapted to slide relative to the thrust bar when thrust bar moves in a curvilinear direction. | 04-17-2014 |
20140183242 | SURGICAL INSTRUMENT AND LOADING UNIT FOR USE THEREWITH - A surgical instrument is disclosed. The surgical instrument includes a handle assembly, a drive assembly, an endoscopic portion, a pair of jaw members, a dynamic clamping member, and a tissue stop. The drive assembly is disposed in mechanical cooperation with a movable handle of the handle assembly. The endoscopic portion defines a first longitudinal axis. The jaw members are each longitudinally curved with respect to the longitudinal axis. The dynamic clamping member is disposed in mechanical cooperation with a distal portion of the drive assembly and includes an upper beam, a lower beam, and a vertical beam having a cutting edge on a distal portion thereof. At least a portion of the dynamic clamping member is longitudinally curved with respect to the longitudinal axis. The tissue stop is disposed adjacent a distal portion of the first jaw member and configured to impede tissue from distally escaping the jaw members. | 07-03-2014 |
20140216964 | CARTRIDGE SHIPPING AID - A cartridge shipping aid is provided to retain staples within staple pockets of a staple cartridge during shipment. The cartridge shipping aid includes a base and a longitudinal rib extending perpendicularly from an underside of the base and indiscernible into a knife slot formed in a staple cartridge. One or more perpendicular keys are formed along a lower edge of the longitudinally extending rib for engagement with an underside surface of the staple cartridge. The cartridge shipping aid may additionally include sidewalls projecting perpendicularly from outer edges of the base. Projections are formed on one end of the base for engagement with associate detents formed on the staple cartridge. Grasping structure is formed adjacent one end of the base and longitudinal rib. | 08-07-2014 |
20140252061 | Pivoting Screw for Use with a Pair of Jaw Members of a Surgical Instrument - A loading unit assembly includes a tool assembly having first and second jaw members and a pivot pin configured to pivotably couple the first and second jaw members. The first jaw member is movable with respect to the second jaw member between spaced and approximated positions, wherein the pivot pin includes a base portion and first and second stepped portions extending radially outward from the base portion. The first and second stepped portions are configured to pivotably engage the first and second jaw members, respectively. | 09-11-2014 |
20140303445 | Foam Introduction System Including Modified Port Geometry - A surgical apparatus for positioning within a tissue tract accessing an underlying body cavity includes a seal anchor member including leading portion, a trailing portion, and an intermediate portion disposed between the leading and trailing portions. The leading portion of the seal anchor member is configured and adapted to ease insertion of the seal anchor member into the tissue tract. Subsequent to insertion of the seal anchor member, the leading portion of the seal anchor member is also configured and adapted to facilitate securing and/or anchoring of the seal anchor member within the tissue tract. | 10-09-2014 |
20150083738 | JAW RESTRAINT - A jaw restraint is provided to temporarily secure an anvil assembly relative to a cartridge assembly during shipping. The jaw restraint generally includes a body portion having an upper arm for releasably securing the anvil assembly and a lower arm for releasably securing the cartridge assembly. An inwardly projection is provided between the upper and lower arms. The anvil assembly is secured between the upper arm and the inwardly directed projection and the cartridge assembly is secured between the lower arm of the inwardly directed projection. One or more finger members extending proximally from the body portion may be provided to facilitate biasing the upper arm away from the lower arm to release the anvil and cartridge assemblies from the jaw restraint. The jaw restraint may be provided with structure for engagement with shipping packaging. | 03-26-2015 |