Patent application number | Description | Published |
20080230581 | Tilt anvil assembly - A tilt anvil assembly is disclosed which includes a center rod and a head assembly pivotally mounted to the center rod. The head assembly includes a housing, a post, an anvil plate and a backup member. The backup member is movable about the post from a first position preventing pivotal movement of the head assembly to a second position accommodating pivotal movement of the head assembly. A pivotal latch assembly is also provided to prevent movement of the backup member from its second position to its first position. | 09-25-2008 |
20080277448 | SURGICAL STAPLING DEVICE WITH COATED KNIFE BLADE - A surgical stapling device is disclosed for performing circular anastomoses. The surgical stapling device includes a handle portion, an elongated body portion and a head portion including an anvil assembly and a shell assembly. The surgical stapling device includes a knife blade possessing a lubricious coating which enhances the ability of the knife to cut through tissue and minimizes the knife sticking to tissue or other components of the surgical stapling device. | 11-13-2008 |
20090082777 | Insertion Aid with Interference Fit - The present disclosure relates to an insertion device including a shaft with a head supported on a distal end thereof. The shaft includes a proximal end with an engagement member that is configured to frictionally engage a distal end of a surgical fastening apparatus such that an interference fit is created therebetween to facilitate selective detachment of the insertion device from the surgical fastening apparatus. The head has an atraumatic configuration, and is dimensioned to be received in a body orifice. | 03-26-2009 |
20090082785 | Anvil Delivery Device Accessory - An anvil delivery system includes an anvil assembly, a flexible tube, and a fitting. The fitting is coupled to the flexible tube and includes a body having a proximal end portion and a distal end portion and a tip disposed on the distal end portion. The proximal end portion of the body is adapted to attach the body to the flexible tube. The tip is configured for insertion into a body lumen. The anvil delivery system may further include a plurality of protrusions disposed on the proximal end portion of the body of the fitting. | 03-26-2009 |
20090082789 | Insertion Shroud for Surgical Instrument - A shroud is provided which includes a rounded atraumatic distal configuration. The shroud is configured and dimensioned to be positioned on the distal end portion of a surgical instrument. The shroud is movable between a first position in which a distal portion of the shroud extends beyond a distal end of a tool assembly of the surgical instrument and a second position in which the distal portion of the shroud is positioned proximal to the distal end of the tool assembly. | 03-26-2009 |
20090173767 | Raised Boss for Staple Guide - A surgical stapling device including a handle assembly, a body portion, and a head portion is disclosed. The handle assembly includes a firing trigger. The body portion extends distally from the handle assembly. The head portion includes an anvil assembly and a shell assembly. The anvil assembly is movable in relation to the shell assembly between spaced and approximated positions. The shell assembly includes a pusher and an inner guide portion. The pusher includes at least one slot therein and is movable in relation to the anvil assembly between retracted and extended positions. The inner guide portion is disposed adjacent at least a portion of the pusher and includes a raised boss extending therefrom. The raised boss is configured to shroud the slot in the pusher when the pusher is in the retracted position. | 07-09-2009 |
20090179063 | SURGICAL STAPLING DEVICE - A surgical stapling device is disclosed for the treatment of internal hemorrhoids. The surgical stapling device includes a handle portion, an elongated body portion and a head portion including an anvil assembly and a shell assembly. The head portion includes an anvil assembly including a tiltable anvil which will tilt automatically after the device has been fired and unapproximated. The tiltable anvil provides a reduced anvil profile to reduce trauma during removal of the device after the anastomoses procedure has been performed. The anvil assembly of the stapling device may include an approximation mechanism having an anvil retainer including an elongated distal extension dimensioned to be telescopingly received within a longitudinal bore of an anvil center rod of the anvil assembly. The elongated distal extension is of a length to provide telescopic engagement with the anvil center rod without obstructing visualization of the surgical site. A kit including a surgical instrument having a removable anvil assembly and an anvil assembly insertion handle is also disclosed. The kit may also include a speculum, an anal dialator and/or an obturator. | 07-16-2009 |
20090230170 | Ratcheting Mechanism for Surgical Stapling Device - A surgical stapling device comprising a housing, an elongated portion, an end effector, and a movable handle disposed in mechanical cooperation with the housing and movable between a first open position and a second approximated position for affecting a function of the end effector. A ratchet mechanism is disposed in mechanical cooperation with the movable handle and is configured to substantially prevent the movable handle from moving towards its first open position until the movable handle reaches a predetermined position | 09-17-2009 |
20090250502 | SURGICAL STAPLING DEVICE - A surgical stapling device including a self-righting anvil assembly is disclosed. The anvil assembly includes an anvil center rod and a pivotable anvil head. The surgical stapling device includes an anvil retainer assembly having a locking member in the form of a trocar for moving the anvil head from its tilted position to its operative position upon attachment of the anvil assembly to the stapling device. A cam member is provided to retain the locking member in a first or locked position and, thus, the anvil head in the operative position until after the stapling device has been fired. In another embodiment, a tiltable anvil assembly for use with a surgical stapling device is disclosed. The anvil assembly includes a center rod and a head assembly which is pivotally secured to the center rod. The head assembly includes a housing, a post, an anvil plate and a backup member. The backup member is movably positioned about the post from a first position preventing pivotal movement of the head assembly to a second position permitting pivotal movement of the head assembly. A retainer member is positioned between the backup member and the housing to prevent movement of the backup member from its first position to its second position until a predetermined force has been applied to the backup member. In another embodiment, a passive lockout mechanism is disclosed which is operably associated with a trigger lock on the handle assembly of the surgical stapling device. The passive lockout mechanism is positioned to prevent movement of the anvil assembly in relation to the shell assembly of the device from an approximated position to an unapproximated position when the trigger lock is in an unlocked position. | 10-08-2009 |
20090255978 | VARIABLE COMPRESSION SURGICAL FASTENER CARTRIDGE - A surgical fastener applying apparatus having a first jaw and a second jaw. The first jaw includes a cartridge body having plurality of surgical fasteners disposed therein. The plurality of surgical fasteners include a plurality of first surgical fasteners having a first backspan with a first configuration, and a plurality of second surgical fasteners having a second backspan with a second, different configuration such that the plurality of first surgical fasteners apply a first compressive force to tissue upon formation and the plurality of second surgical fasteners apply a second, different compressive force to tissue upon formation. | 10-15-2009 |
20090261142 | SURGICAL STAPLING APPARATUS - A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device. | 10-22-2009 |
20100001037 | SURGICAL INSTRUMENT WITH ELONGATED CHANNEL - A surgical instrument including a handle assembly, an elongated body portion, a head portion and an elongated channel. The elongated body portion extends distally from the handle assembly. The head portion is disposed adjacent a distal end of the elongated body portion and includes an anvil assembly and a shell assembly. The elongated channel includes a proximal opening and a distal opening. The proximal opening is disposed distally of a proximalmost end of the handle assembly and proximally of the shell assembly. The distal opening is disposed on the shell assembly. | 01-07-2010 |
20100038401 | SURGICAL TILT ANVIL ASSEMBLY - A surgical tilt anvil assembly including a rod and a head assembly including an anvil plate having staple deforming pockets. The head assembly is pivotally secured to the rod and pivotal in relation to the rod between a first tilted position, a non-tilted position and a second different tilted position. The head assembly passes from the first tilted position, through the non-tilted position to the second tilted position. | 02-18-2010 |
20100051668 | SURGICAL INSTRUMENT WITH INDICATOR - A surgical stapling instrument including a handle assembly, an elongated body portion extending distally from the handle assembly, and a head portion. The handle assembly includes a firing trigger and a firing indicator. The firing trigger is movable between a first non-actuated position and a second actuated position. The head portion is disposed adjacent a distal portion of the elongated body portion and includes an anvil assembly and a shell assembly. The anvil assembly is movable in relation to the shell assembly between spaced and approximated positions. Engagement structure of the firing trigger moves the firing indicator from a first position to a second position when the firing trigger is moved from its first non-actuated position toward its second actuated position. | 03-04-2010 |
20100051669 | SURGICAL INSTRUMENT WITH INDICATOR - A surgical stapling instrument including a handle assembly, an elongated body portion extending distally from the handle assembly, a head portion and an indicator. A firing trigger is movable between first and second positions. The head portion includes an anvil assembly and a shell assembly. The anvil assembly is movable in relation to the shell assembly between spaced and approximated positions. The indicator is disposed in mechanical cooperation with the handle assembly and is movable between a first position and a second position in response to movement of the anvil assembly towards its approximated position. The indicator is movable between the second position and a third position in response to firing of the instrument. | 03-04-2010 |
20100089971 | SURGICAL STAPLING DEVICE - A surgical stapling device an elongated body portion having proximal and distal portions, and a head portion positioned adjacent the distal portion of the elongated body portion. The head portion includes a shell assembly and an anvil assembly movable relative to the shell assembly between un-approximated and approximated positions. The anvil assembly includes a center rod and an anvil head connected to the center rod. The center rod includes at least one aperture extending transversely therethrough and configured and dimensioned to receive a flexible member such that the flexible member extends transversely through the center rod. | 04-15-2010 |
20100108741 | SURGICAL STAPLER - A surgical stapler comprising a handle assembly, an elongated body portion extending distally from the handle assembly, and a head portion disposed adjacent a distal portion of the elongated body portion and including an anvil assembly and a shell assembly. The anvil assembly is movable in relation to the shell assembly between spaced and approximated positions. The anvil assembly has an anvil head and a plurality of projections extending proximally of the anvil head, the projections engageable with a portion of the shell assembly. | 05-06-2010 |
20100133319 | SURGICAL INSTRUMENT WITH INDICATOR - A surgical stapling instrument including a handle assembly, an elongated body portion extending distally from the handle assembly, and a head portion. The handle assembly includes a firing trigger and a firing indicator. The firing trigger is movable between a first non-actuated position and a second actuated position. The head portion is disposed adjacent a distal portion of the elongated body portion and includes an anvil assembly and a shell assembly. The anvil assembly is movable in relation to the shell assembly between spaced and approximated positions. Engagement structure of the firing trigger moves the firing indicator from a first position to a second position when the firing trigger is moved from its first non-actuated position toward its second actuated position. | 06-03-2010 |
20100200635 | ANVIL FOR SURGICAL STAPLER - An anvil assembly for use therewith a surgical fastener applying apparatus including an anvil plate and an anvil head configured and dimensioned to support the anvil plate. The anvil plate and the anvil head may be formed from different materials. The anvil plate can include a tapered outer side wall allowing the anvil assembly to realize a substantially uniform proximal-most surface upon assembly. | 08-12-2010 |
20100237131 | SURGICAL STAPLING APPARATUS - A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device. | 09-23-2010 |
20100282813 | Tissue tensioner assembly and approximation mechanism for surgical stapling device - A surgical stapling device having an approximation mechanism for treating hollow tissue organs is provided. The stapling device includes a handle, a body portion extending distally from the handle, a distal head portion at a distal end of the body portion, and an approximation mechanism. The head portion includes an anvil assembly having an anvil head and an anvil shaft. The approximation mechanism includes a rotatable approximation knob, a first member, and a second member. The rotatable approximation knob is operably connected to the first member to effect movement the first member over a first distance. The second member is rotatably coupled to a proximal end of the anvil shaft of the anvil assembly to operably connect the anvil shaft to the first member such that movement of the first member over the first distance effects movement of the anvil shaft in relation to the first member over a second distance. | 11-11-2010 |
20100327041 | SURGICAL STAPLING DEVICE - A surgical stapling device is disclosed for the treatment of internal hemorrhoids. The surgical stapling device includes a handle portion, an elongated body portion and a head portion including an anvil assembly and a shell assembly. The head portion includes an anvil assembly including a tiltable anvil which will tilt automatically after the device has been fired and unapproximated. The tiltable anvil provides a reduced anvil profile to reduce trauma during removal of the device after the anastomoses procedure has been performed. The anvil assembly of the stapling device may include an approximation mechanism having an anvil retainer including an elongated distal extension dimensioned to be telescopingly received within a longitudinal bore of an anvil center rod of the anvil assembly. The elongated distal extension is of a length to provide telescopic engagement with the anvil center rod without obstructing visualization of the surgical site. A kit including a surgical instrument having a removable anvil assembly and an anvil assembly insertion handle is also disclosed. The kit may also include a speculum, an anal dialator and/or an obturator. | 12-30-2010 |
20110042443 | SURGICAL STAPLER - A surgical stapler comprising a handle assembly, an elongated body portion extending distally from the handle assembly, and a head portion disposed adjacent a distal portion of the elongated body portion and including an anvil assembly and a shell assembly. The anvil assembly is movable in relation to the shell assembly between spaced and approximated positions. The shell assembly includes a pusher movable distally to advance staples from the shell assembly into contact with the anvil assembly. First and second alignment pins operatively associated with the pusher have distal ends positioned distally of the pusher, the alignment pins movable between a first non-engaged position spaced from the anvil assembly and a second position in engagement with the anvil assembly. | 02-24-2011 |
20110095070 | SURGICAL STAPLING INSTRUMENT - A surgical stapling instrument comprising a handle assembly having a proximal end, an elongated body portion extending distally from the handle assembly, a head portion disposed adjacent a distal portion of the elongated body portion and including an anvil assembly and a shell assembly. The shell assembly includes a shell and a staple guide housing a plurality of staples. A flexible engagement structure attaches the staple guide to the shell. | 04-28-2011 |
20110101065 | Adaptor for anvil delivery - A surgical stapling device including a self-righting anvil assembly is disclosed. The anvil assembly includes an anvil center rod and a pivotable anvil head. The surgical stapling device includes an anvil retainer assembly having a locking member in the form of a trocar for moving the anvil head from its tilted position to its operative position upon attachment of the anvil assembly to the stapling device. A cam member is provided to retain the locking member in a first or locked position and, thus, the anvil head in the operative position until after the stapling device has been fired. In another embodiment, a tiltable anvil assembly for use with a surgical stapling device is disclosed. The anvil assembly includes a center rod and a head assembly which is pivotally secured to the center rod. The head assembly includes a housing, a post, an anvil plate and a backup member. The backup member is movably positioned about the post from a first position preventing pivotal movement of the head assembly to a second position permitting pivotal movement of the head assembly. A retainer member is positioned between the backup member and the housing to prevent movement of the backup member from its first position to its second position until a predetermined force has been applied to the backup member. In another embodiment, a passive lockout mechanism is disclosed which is operably associated with a trigger lock on the handle assembly of the surgical stapling device. The passive lockout mechanism is positioned to prevent movement of the anvil assembly in relation to the shell assembly of the device from an approximated position to an unapproximated position when the trigger lock is in an unlocked position. | 05-05-2011 |
20110168760 | VARIABLE COMPRESSION SURGICAL FASTENER CARTRIDGE - A surgical fastener applying apparatus having a first jaw and a second jaw. The first jaw includes a cartridge body having plurality of surgical fasteners disposed therein. The plurality of surgical fasteners include a plurality of first surgical fasteners having a first backspan with a first configuration, and a plurality of second surgical fasteners having a second backspan with a second, different configuration such that the plurality of first surgical fasteners apply a first compressive force to tissue upon formation and the plurality of second surgical fasteners apply a second, different compressive force to tissue upon formation. | 07-14-2011 |
20110233260 | Surgical Stapling Apparatus - A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device. | 09-29-2011 |
20110284617 | RAISED BOSS FOR STAPLE GUIDE - A surgical stapling device including a handle assembly, a body portion, and a head portion is disclosed. The handle assembly includes a firing trigger. The body portion extends distally from the handle assembly. The head portion includes an anvil assembly and a shell assembly. The anvil assembly is movable in relation to the shell assembly between spaced and approximated positions. The shell assembly includes a pusher and an inner guide portion. The pusher includes at least one slot therein and is movable in relation to the anvil assembly between retracted and extended positions. The inner guide portion is disposed adjacent at least a portion of the pusher and includes a raised boss extending therefrom. The raised boss is configured to shroud the slot in the pusher when the pusher is in the retracted position. | 11-24-2011 |
20120012641 | ANVIL ASSEMBLY FOR SURGICAL STAPLING DEVICE - An anvil assembly for use with a surgical fastener applying apparatus. The anvil assembly includes an anvil center rod and anvil head that is secured to the distal end portion of the anvil center rod. The anvil center rod and the anvil head include corresponding mating structures that are configured and dimensioned to facilitate connection of the anvil center rod and the anvil head such that relative movement between the anvil center rod and the anvil head is substantially inhibited. The anvil center rod and the anvil head include corresponding mating structures that are non-circular in configuration. A method of assembling a surgical anvil assembly is also disclosed. | 01-19-2012 |
20120031948 | SURGICAL INSTRUMENT WITH INDICATOR - A surgical stapling instrument including a handle assembly, an elongated body portion extending distally from the handle assembly, a head portion and an indicator. A firing trigger is movable between first and second positions. The head portion includes an anvil assembly and a shell assembly. The anvil assembly is movable in relation to the shell assembly between spaced and approximated positions. The indicator is disposed in mechanical cooperation with the handle assembly and is movable between a first position and a second position in response to movement of the anvil assembly towards its approximated position. The indicator is movable between the second position and a third position in response to firing of the instrument. | 02-09-2012 |
20120043368 | Surgical Stapling Apparatus - A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device. | 02-23-2012 |
20120055974 | Surgical Stapling Apparatus - A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device. | 03-08-2012 |
20120104073 | SURGICAL TILT ANVIL ASSEMBLY - A surgical tilt anvil assembly including a rod and a head assembly including an anvil plate having staple deforming pockets. The head assembly is pivotally secured to the rod and pivotal in relation to the rod between a first tilted position, a non-tilted position and a second different tilted position. The head assembly passes from the first tilted position, through the non-tilted position to the second tilted position. | 05-03-2012 |
20120123457 | Anvil Delivery Device Accessory - A method for performing a surgical procedure is disclosed which uses an anvil delivery system including an anvil assembly, a flexible tube having a first end portion and a second end portion, and a fitting to deliver the anvil assembly to a desired site. The method includes the steps of cutting a second end portion of the flexible tube, attaching a fitting to the second end portion of the flexible tube which has been cut, inserting the insertion tip into tissue, advancing the insertion tip along with the flexible tube and anvil assembly to the desired site within a patient's body, and removing the flexible tube from the anvil assembly and from the desired site leaving the anvil assembly in a patient's body at the desired site. | 05-17-2012 |
20120145766 | SURGICAL INSTRUMENT WITH INDICATOR - A surgical stapling instrument including a handle assembly, an elongated body portion extending distally from the handle assembly, and a head portion. The handle assembly includes a firing trigger and a firing indicator. The firing trigger is movable between a first non-actuated position and a second actuated position. The head portion is disposed adjacent a distal portion of the elongated body portion and includes an anvil assembly and a shell assembly. The anvil assembly is movable in relation to the shell assembly between spaced and approximated positions. Engagement structure of the firing trigger moves the firing indicator from a first position to a second position when the firing trigger is moved from its first non-actuated position toward its second actuated position. | 06-14-2012 |
20120228356 | SURGICAL STAPLING DEVICE - A surgical stapling device an elongated body portion having proximal and distal portions, and a head portion positioned adjacent the distal portion of the elongated body portion. The head portion includes a shell assembly and an anvil assembly movable relative to the shell assembly between un-approximated and approximated positions. The anvil assembly includes a center rod and an anvil head connected to the center rod. The center rod includes at least one aperture extending transversely therethrough and configured and dimensioned to receive a flexible member such that the flexible member extends transversely through the center rod. | 09-13-2012 |
20120228357 | Surgical Stapling Device - A surgical stapling device having a handle assembly, an elongated body portion, a shell assembly housing a plurality of staples and an anvil assembly movable relative to the shell assembly. An approximation mechanism is movable from a first position to a second position to move the anvil assembly relative to the shell assembly between a spaced position and an approximated position. A firing mechanism for advancing the staples is actuable when the approximation assembly is in the second position and the anvil assembly is in the approximated position. A lockout mechanism operatively associated with the approximation mechanism is movable from a non-blocking position to a blocking position, wherein in the non-blocking position the approximation mechanism is movable from the first position to the second position and in the blocking position movement of the approximation mechanism from the second position to the first position is prevented. | 09-13-2012 |
20120241495 | SURGICAL STAPLING APPARATUS - A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device. | 09-27-2012 |
20120248173 | SURGICAL STAPLING DEVICE - A surgical stapling device an elongated body portion having proximal and distal portions, and a head portion positioned adjacent the distal portion of the elongated body portion. The head portion includes a shell assembly and an anvil assembly movable relative to the shell assembly between un-approximated and approximated positions. The anvil assembly includes a center rod and an anvil head connected to the center rod. The center rod includes at least one aperture extending transversely therethrough and configured and dimensioned to receive a flexible member such that the flexible member extends transversely through the center rod. | 10-04-2012 |
20120265178 | SURGICAL INSTRUMENT WITH INDICATOR - A surgical stapling instrument including a handle assembly, an elongated body portion extending distally from the handle assembly, a head portion and an indicator. A firing trigger is movable between first and second positions. The head portion includes an anvil assembly and a shell assembly. The anvil assembly is movable in relation to the shell assembly between spaced and approximated positions. The indicator is disposed in mechanical cooperation with the handle assembly and is movable between a first position and a second position in response to movement of the anvil assembly towards its approximated position. The indicator is movable between the second position and a third position in response to firing of the instrument. | 10-18-2012 |
20120280018 | SURGICAL STAPLER - A surgical stapler comprising a handle assembly, an elongated body portion extending distally from the handle assembly, and a head portion disposed adjacent a distal portion of the elongated body portion and including an anvil assembly and a shell assembly. The anvil assembly is movable in relation to the shell assembly between spaced and approximated positions. The anvil assembly has an anvil head and a plurality of projections extending proximally of the anvil head, the projections engageable with a portion of the shell assembly. | 11-08-2012 |
20120298723 | VARIABLE COMPRESSION SURGICAL FASTENER CARTRIDGE - A surgical fastener applying apparatus having a first jaw and a second jaw. The first jaw includes a cartridge body having plurality of surgical fasteners disposed therein. The plurality of surgical fasteners include a plurality of first surgical fasteners having a first backspan with a first configuration, and a plurality of second surgical fasteners having a second backspan with a second, different configuration such that the plurality of first surgical fasteners apply a first compressive force to tissue upon formation and the plurality of second surgical fasteners apply a second, different compressive force to tissue upon formation. | 11-29-2012 |
20120305625 | SURGICAL STAPLER - A surgical stapler includes a handle assembly, an elongated body portion extending distally from the handle assembly, and a head portion disposed adjacent a distal portion of the elongated body portion and including an anvil assembly and a shell assembly. The anvil assembly is movable in relation to the shell assembly between spaced and approximated positions. The shell assembly includes a pusher movable distally to advance staples from the shell assembly into contact with the anvil assembly. First and second alignment pins operatively associated with the pusher have distal ends positioned distally of the pusher, the alignment pins movable between a first non-engaged position spaced from the anvil assembly and a second position in engagement with the anvil assembly. | 12-06-2012 |
20120305627 | SURGICAL STAPLING APPARATUS - A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device. | 12-06-2012 |
20130056517 | SURGICAL STAPLING INSTRUMENT - A surgical stapling instrument comprising a handle assembly having a proximal end, an elongated body portion extending distally from the handle assembly, a head portion disposed adjacent a distal portion of the elongated body portion and including an anvil assembly and a shell assembly. The shell assembly includes a shell and a staple guide housing a plurality of staples. A flexible engagement structure attaches the staple guide to the shell. | 03-07-2013 |
20130068817 | SURGICAL TILT ANVIL ASSEMBLY - An anvil and anvil delivery system is provided which includes a head assembly and a center rod defining a longitudinal axis. The head assembly defines a transverse axis and is pivotally secured to the rod and movable from an operative position wherein the transverse axis is substantially perpendicular to the longitudinal axis and a tilted position wherein the transverse axis defines an acute angle with respect to the longitudinal axis. A flexible tube is secured to the center rod which includes gradations along the length of the tube. The gradations are positioned to provide an indication of a length of the tube remaining in a patient during removal of the tube from the patient. An adapter is secured to one end of the flexible tube and to the center rod. The adapter is configured to secure the anvil assembly to the flexible tube. | 03-21-2013 |
20130072955 | SURGICAL STAPLING DEVICE - A surgical stapling device is disclosed for performing circular anastomoses. The surgical stapling device includes a handle portion, an elongated body portion and a head portion including an anvil assembly and a shell assembly. A removable trocar for attachment to the anvil assembly is also disclosed which includes a rib positioned proximally of a mounting projection. The rib is positioned to align the mounting projection with associated engagement structure of the anvil assembly. | 03-21-2013 |
20130105546 | SURGICAL STAPLING DEVICE | 05-02-2013 |
20130140342 | Surgical Stapling Apparatus Including Sensing Mechanism - A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device. | 06-06-2013 |
20130175315 | METHOD AND DEVICE FOR PERFORMING A SURGICAL ANASTOMOSIS - A method of performing a surgical anastomosis between a distal and proximal tissue section including providing a surgical stapling device having a head portion including an anvil assembly and a shell assembly, a pusher disposed in movable relation to the anvil assembly between retracted and extended positions, the pusher including an inner wall and a cavity disposed radially inwardly of the inner wall of the pusher. The steps include placing the anvil assembly at least partially within a distal section of tissue, placing the shell assembly at least partially within a proximal section of tissue, and approximating the anvil assembly and the shell assembly such that portions of the distal section of tissue including a first row of staples and portions of the proximal section of tissue including a second row of staples move into the cavity. | 07-11-2013 |
20130181029 | SURGICAL STAPLING DEVICE - A surgical stapling device has a handle assembly, an elongated body portion, a shell assembly housing a plurality of staples and an anvil assembly movable relative to the shell assembly. An approximation mechanism is movable from a first position to a second position to move the anvil assembly relative to the shell assembly between a spaced position and an approximated position. A firing mechanism for advancing the staples is actuable when the approximation assembly is in the second position and the anvil assembly is in the approximated position. A lockout mechanism operatively associated with the approximation mechanism is movable from a non-blocking position to a blocking position, wherein in the non-blocking position the approximation mechanism is movable from the first position to the second position and in the blocking position movement of the approximation mechanism from the second position to the first position is prevented. | 07-18-2013 |
20130181035 | Circular Stapling Instruments - A circular stapling instrument including a stapling forming assembly that is actuated independently from actuation of the cutting assembly is provided. The instrument includes a handle assembly, an elongate body extending from the handle assembly, a cartridge assembly mounted on a distal end of the elongate body. The cartridge assembly includes a pusher assembly and a knife assembly. The knife assembly is selectively fixed relative to the pusher assembly. | 07-18-2013 |
20130193187 | SURGICAL INSTRUMENT WITH INDICATOR - A surgical stapling instrument including a handle assembly, an elongated body portion extending distally from the handle assembly, a head portion and an indicator. A firing trigger is movable between first and second positions. The head portion includes an anvil assembly and a shell assembly. The anvil assembly is movable in relation to the shell assembly between spaced and approximated positions. The indicator is disposed in mechanical cooperation with the handle assembly and is movable between a first position and a second position in response to movement of the anvil assembly towards its approximated position. The indicator is movable between the second position and a third position in response to firing of the instrument. | 08-01-2013 |
20130233909 | Variable Compression Surgical Fastener Cartridge - A surgical fastener applying apparatus having a first jaw and a second jaw. The first jaw includes a cartridge body having plurality of surgical fasteners disposed therein. The plurality of surgical fasteners include a plurality of first surgical fasteners having a first backspan with a first configuration, and a plurality of second surgical fasteners having a second backspan with a second, different configuration such that the plurality of first surgical fasteners apply a first compressive force to tissue upon formation and the plurality of second surgical fasteners apply a second, different compressive force to tissue upon formation. | 09-12-2013 |
20130240597 | Surgical Stapler - A surgical stapler includes a handle assembly, an elongated body portion extending distally from the handle assembly, and a head portion disposed adjacent a distal portion of the elongated body portion and including an anvil assembly and a shell assembly. The anvil assembly is movable in relation to the shell assembly between spaced and approximated positions. The shell assembly includes a pusher movable distally to advance staples from the shell assembly into contact with the anvil assembly. First and second alignment pins operatively associated with the pusher have distal ends positioned distally of the pusher, the alignment pins movable between a first non-engaged position spaced from the anvil assembly and a second position in engagement with the anvil assembly. | 09-19-2013 |
20140042206 | SURGICAL STAPLING DEVICE - A surgical stapling device has a handle assembly, an elongated body portion, a shell assembly housing a plurality of staples and an anvil assembly movable relative to the shell assembly. An approximation mechanism is movable from a first position to a second position to move the anvil assembly relative to the shell assembly between a spaced position and an approximated position. A firing mechanism for advancing the staples is actuable when the approximation assembly is in the second position and the anvil assembly is in the approximated position. A lockout mechanism operatively associated with the approximation mechanism is movable from a non-blocking position to a blocking position, wherein in the non-blocking position the approximation mechanism is movable from the first position to the second position and in the blocking position movement of the approximation mechanism from the second position to the first position is prevented. | 02-13-2014 |
20140054353 | SURGICAL TILT ANVIL ASSEMBLY - An anvil and anvil delivery system is provided which includes a head assembly and a center rod defining a longitudinal axis. The head assembly defines a transverse axis and is pivotally secured to the rod and movable from an operative position wherein the transverse axis is substantially perpendicular to the longitudinal axis and a tilted position wherein the transverse axis defines an acute angle with respect to the longitudinal axis. A flexible tube is secured to the center rod which includes gradations along the length of the tube. The gradations are positioned to provide an indication of a length of the tube remaining in a patient during removal of the tube from the patient. An adapter is secured to one end of the flexible tube and to the center rod. The adapter is configured to secure the anvil assembly to the flexible tube. | 02-27-2014 |
20140110454 | SURGICAL STAPLING APPARATUS INCLUDING SENSING MECHANISM - A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device. | 04-24-2014 |
20140158744 | SURGICAL STAPLING INSTRUMENT - A surgical stapling instrument comprising a handle assembly having a proximal end, an elongated body portion extending distally from the handle assembly, a head portion disposed adjacent a distal portion of the elongated body portion and including an anvil assembly and a shell assembly. The shell assembly includes a shell and a staple guide housing a plurality of staples. A flexible engagement structure attaches the staple guide to the shell. | 06-12-2014 |
20140171742 | SURGICAL INSTRUMENT WITH ELONGATED CHANNEL - A surgical instrument including a handle assembly, an elongated body portion, a head portion and an elongated channel. The elongated body portion extends distally from the handle assembly. The head portion is disposed adjacent a distal end of the elongated body portion and includes an anvil assembly and a shell assembly. The elongated channel includes a proximal opening and a distal opening. The proximal opening is disposed distally of a proximalmost end of the handle assembly and proximally of the shell assembly. The distal opening is disposed on the shell assembly. | 06-19-2014 |
20140239046 | CIRCULAR STAPLING DEVICE WITH BUTTRESS - The cartridge assembly includes a housing, a pusher member, a fastener cartridge body, a circular cartridge buttress member, and a retaining ring member. The pusher member is supported within the housing and movable between a first position and a second position. The fastener cartridge body is supported on the housing and has a tissue engaging surface that extends to an annular edge. One or both of the housing and the fastener cartridge body define an annular containment groove. The circular cartridge buttress member has a body portion and an extension portion. The body portion is supported on the tissue engaging surface of the fastener cartridge body. The extension portion extends from the body portion and over the annular edge of the tissue engaging surface. The retaining ring member is secured within the containment groove to releasably secure the extension portion of the circular cartridge buttress member to the cartridge assembly. | 08-28-2014 |
20150060523 | SURGICAL STAPLING INSTRUMENT - A surgical stapling instrument comprising a handle assembly having a proximal end, an elongated body portion extending distally from the handle assembly, a head portion disposed adjacent a distal portion of the elongated body portion and including an anvil assembly and a shell assembly. The shell assembly includes a shell and a staple guide housing a plurality of staples. A flexible engagement structure attaches the staple guide to the shell. | 03-05-2015 |