Patent application number | Description | Published |
20090020584 | SURGICAL STAPLE WITH AUGMENTED COMPRESSION AREA - A multi-part surgical staple assembly is provided to provide uniform compression across stapled tissues. The staple assembly generally includes a staple, a staple plate positionable against a backspan of the staple for engagement with one side of a stapled tissue section and a platen for receipt of tissue penetrating tips of the staple and engageable with an opposite side of a stapled tissue section. The staple plate and platen are provided with holes to receive the legs of the staple. In one embodiment, the staple plate is provided with a biasing member to bias the staple plate away from the backspan of the staple and toward the stapled tissue. | 01-22-2009 |
20090090765 | Surgical Stapling Apparatus - A surgical device includes a loading unit having proximal and distal portions. The proximal portion of the loading unit is configured to be attached to an actuation apparatus. The surgical device further includes a flexible shaft interconnecting the proximal portion and the distal portion of the loading unit. Additionally, the surgical device has a tool assembly disposed in mechanical cooperation with the distal portion of the loading unit. The tool assembly is configured to articulate upon activation of the actuation apparatus. | 04-09-2009 |
20090192466 | ENDOLUMINAL ACCESS DEVICE - A surgical access apparatus for providing access inside a body includes a housing having a first port, a tubular member extending distally from the housing and defining a longitudinal axis therealong, wherein the tubular member includes a lumen extending therethrough. a shaft insert disposed in the lumen of the tubular member, wherein the shaft insert forms first, second, and third passageways extending along the lumen of the tubular member, wherein each of the first, second, and third passageways is adapted to receive a surgical instrument; and a first seal assembly covering the first port of the housing and defining a first passage disposed in communication with the first passageway defined by the shaft insert in the tubular member, wherein the first seal assembly is adapted to form a seal around the surgical instrument inserted through the first passage of the first seal assembly. | 07-30-2009 |
20090261144 | CARTRIDGE FOR APPLYING VARYING AMOUNTS OF TISSUE COMPRESSION - A surgical stapling apparatus includes a staple cartridge and an anvil member. The staple cartridge includes a plurality of surgical fasteners disposed in rows of retention slots. The staple cartridge may have an annular or linear configuration of retention slots. The tissue contacting surface of the staple cartridge may be tapered or stepped. The anvil member has a tissue contacting surface that includes a number of pockets arranged for substantially aligning with the retention slots. In addition, the tissue contacting surface of the anvil member may complement the tissue contacting surface of the staple cartridge. | 10-22-2009 |
20090318938 | Spring-Type Suture Securing Device - A suture securing device includes a body with a distal end portion defining a suture receiving opening; a shaft and the body being assembled for relative reciprocal motion between a first position and a second position; and a tension coil spring operably attached to the body and operably attached adjacent a distal end portion of the shaft and disposed adjacent a suture receiving opening, When the body and shaft are in the first position, the tension coil spring is in a rest position, and when the body and/or the shaft are in the second position, the tension coil spring is in a tensioned position to form at least one gap therebetween to enable receipt of at least a portion of at least one suture. | 12-24-2009 |
20100076260 | Handle Assembly for Articulated Endoscopic Instruments - An endoscopic surgical instrument is provided and includes a handle assembly for operating the surgical instrument, an articulatable neck assembly supported on and extending from the handle assembly, and an end effector operatively supported on the neck assembly. The handle assembly includes a housing; a trigger operatively supported on the housing; at least one actuation shaft operatively connected to the trigger and extending from the housing, wherein an actuation of the trigger imparts axial translation to the actuation shaft; and at least one articulation cable operable from the housing. The end effector includes a pair of pivotably mounted, juxtaposed jaws, wherein the jaws are movable at least between an open position and a closed position, and wherein a distal end of an actuation shaft is operatively engaged with the pair of jaws to effectuate opening and closing of the jaws. | 03-25-2010 |
20100094083 | FLEXIBLE ENDOSCOPIC STITCHING DEVICES - An endoscopic stitching device is provided including a handle assembly supporting a manually operated suture needle loading assembly; a tool assembly operatively supported on and connected to the handle assembly; a suture needle operatively associated with the tool assembly, wherein the tool assembly includes a pair of juxtaposed jaws pivotally associated with one another; and an actuation cable extending between the handle assembly and the tool assembly, wherein axial displacement of the actuation shaft results in opening and closing of the jaws and rotation of the actuation cable results in selective retention of the suture needle in the jaws. A proximal end of the actuation cable is connected to the suture needle loading assembly such that actuation of the suture needle loading assembly imparts rotation to the actuation cable to selectively engage the suture needle in one of the jaws. | 04-15-2010 |
20100282815 | Annular Adhesive Structure - An apparatus for forming an anastomosis between adjacent intestinal sections of tissue is provided. The apparatus includes a circular surgical stapler having an anvil assembly with an anvil shaft and an anvil, the circular surgical stapler further having a tubular body portion with an annular knife and a body portion shaft selectively attachable to the anvil shaft; and a seal structure for deposition between the intestinal sections of tissue including a hub configured to engage attachment structure on at least one of the anvil shaft and the body portion shaft. The attachment structure is positioned so that the seal structure is located between the intestinal sections of tissue when the circular surgical stapler is disposed within the intestinal sections of tissue. | 11-11-2010 |
20110009704 | Apparatus and Method for Transvaginal Surgery - An access port for performing surgery transvaginally is provided. The access port includes an elongated flexible member having proximal and distal ends and a central portion therebetween, and a retention mechanism formed on the distal end of the elongated member. The retention mechanism includes a first configuration for inserting the distal end of the elongated member within an opening and a second configuration for selectively securing the elongated member within an opening. Also provided is a method of performing a transvaginal surgery. The method includes providing an access port including a retention mechanism configured to selectively retain the access port within the vagina of a patient, forming an incision in the wall of the vagina into the abdomen of the patient, inserting a distal end of the access port into the vagina and through the incision, and activating the retention mechanism to secure the distal end of the access port within the abdominal cavity of the patient. | 01-13-2011 |
20110024476 | Annular Adhesive Structure - An apparatus for forming an anastomosis between adjacent intestinal sections of tissue is provided. The apparatus includes a circular surgical stapler having an anvil assembly with an anvil shaft and an anvil, the circular surgical stapler further having a tubular body portion with an annular knife and a body portion shaft selectively attachable to the anvil shaft; and a seal structure for deposition between the intestinal sections of tissue including a hub configured to engage attachment structure on at least one of the anvil shaft and the body portion shaft. The attachment structure is positioned so that the seal structure is located between the intestinal sections of tissue when the circular surgical stapler is disposed within the intestinal sections of tissue. | 02-03-2011 |
20110024481 | Annular Adhesive Structure - An apparatus for forming an anastomosis between adjacent intestinal sections of tissue is provided. The apparatus includes a circular surgical stapler having an anvil assembly with an anvil shaft and an anvil, the circular surgical stapler further having a tubular body portion with an annular knife and a body portion shaft selectively attachable to the anvil shaft; and a seal structure for deposition between the intestinal sections of tissue including a hub configured to engage attachment structure on at least one of the anvil shaft and the body portion shaft. The attachment structure is positioned so that the seal structure is located between the intestinal sections of tissue when the circular surgical stapler is disposed within the intestinal sections of tissue. | 02-03-2011 |
20110042442 | Annular Adhesive Structure - An assembly for joining tissue is provided and includes an anvil assembly and a body portion juxtaposed with respect to one another along a shaft and arranged so as to be approximated with respect to one another; and an applicator supported on the anvil assembly and configured for retaining a wound treatment material therein and for dispensing the wound treatment material therefrom. A method for joining tissue is provided and includes the steps of dispensing the wound treatment material from the applicator so as to distribute wound treatment material onto at least one of a first tissue section and a second tissue section; and approximating the anvil assembly and the body portion to one another so that the first tissue section and the second tissue section are in contact with one another with the dispensed wound treatment material interposed therebetween. | 02-24-2011 |
20110315739 | Cartridge for Applying Varying Amounts of Tissue Compression - A surgical stapling apparatus includes a staple cartridge and an anvil member. The staple cartridge includes a plurality of surgical fasteners disposed in rows of retention slots. The staple cartridge may have an annular or linear configuration of retention slots. The tissue contacting surface of the staple cartridge may be tapered or stepped. The anvil member has a tissue contacting surface that includes a number of pockets arranged for substantially aligning with the retention slots. In addition, the tissue contacting surface of the anvil member may complement the tissue contacting surface of the staple cartridge. | 12-29-2011 |
20120018487 | Annular Adhesive Structure - An apparatus for forming an anastomosis between adjacent intestinal sections of tissue is provided. The apparatus includes a circular surgical stapler having an anvil assembly with an anvil shaft and an anvil, the circular surgical stapler further having a tubular body portion with an annular knife and a body portion shaft selectively attachable to the anvil shaft; and a seal structure for deposition between the intestinal sections of tissue including a hub configured to engage attachment structure on at least one of the anvil shaft and the body portion shaft. The attachment structure is positioned so that the seal structure is located between the intestinal sections of tissue when the circular surgical stapler is disposed within the intestinal sections of tissue. | 01-26-2012 |
20120168485 | Surgical Fastener-Applying Apparatuses With Sequential Firing - A surgical fastening instrument is provided. The surgical fastening instrument includes a handle portion and an elongate portion extending distally from the handle portion and defining a longitudinal axis along a length thereof. The surgical fastening instrument also includes an end effector assembly that includes an anvil and a cartridge supported adjacent a distal end of the elongate portion. Each of the anvil and the cartridge includes a tissue contacting surface oriented substantially perpendicular to the longitudinal axis. One or more independently movable pushers is configured to support one or more surgical fasteners. A thrust bar is operatively coupled to the elongate portion, wherein the thrust bar is movable over a predetermined stroke to effect sequential ejection of at least two surgical fasteners of the plurality of surgical fasteners from the cartridge. | 07-05-2012 |
20120203073 | Endoluminal Access Device - A surgical access apparatus for providing access inside a body includes a housing having a first port, a tubular member extending distally from the housing and defining a longitudinal axis therealong, wherein the tubular member includes a lumen extending therethrough. a shaft insert disposed in the lumen of the tubular member, wherein the shaft insert forms first, second, and third passageways extending along the lumen of the tubular member, wherein each of the first, second, and third passageways is adapted to receive a surgical instrument; and a first seal assembly covering the first port of the housing and defining a first passage disposed in communication with the first passageway defined by the shaft insert in the tubular member, wherein the first seal assembly is adapted to form a seal around the surgical instrument inserted through the first passage of the first seal assembly. | 08-09-2012 |
20120253116 | System and Method for Performing Surgical Procedures with a Modular Surgical System - A surgical system is provided including a reusable handle assembly having a controller and a reusable cannula assembly configured to be operatively connected to and steerable by the reusable handle assembly. Additionally, the surgical system includes a plurality of surgical instruments configured to be inserted through the reusable handle assembly and configured to advance a length of the reusable cannula assembly, such that the plurality of surgical instruments are engaged with at least one trigger mechanism of the reusable handle assembly. The handle assembly, the cannula assembly, and the plurality of surgical instruments are modular components configured to be releasably or removably coupled or interconnected to each other. | 10-04-2012 |
20120253325 | System And Method For Performing Surgical Procedures With A Modular Surgical System Having A Rail Mechanism - A surgical system is provided including a reusable handle assembly having a controller and a reusable cannula assembly configured to be operatively connected to and steerable by the reusable handle assembly. The surgical system also includes a rail mechanism configured to cooperate with a port inserted through an incision, the rail mechanism mechanically attached to a stable platform. A plurality of surgical instruments are configured to be inserted through the reusable handle assembly and configured to advance a length of the reusable cannula assembly, such that the plurality of surgical instruments are engaged with at least one trigger mechanism of the reusable handle assembly. The handle assembly, the cannula assembly, and the plurality of surgical instruments are modular components configured to be releasably coupled to each other. The reusable cannula assembly slidably engages the rail mechanism to extend through the port and into the incision. | 10-04-2012 |
20120305628 | Cartridge for Applying Varying Amounts of Tissue Compression - A surgical stapling apparatus includes a staple cartridge and an anvil member. The staple cartridge includes a plurality of surgical fasteners disposed in rows of retention slots. The staple cartridge may have an annular or linear configuration of retention slots. The tissue contacting surface of the staple cartridge may be tapered or stepped. The anvil member has a tissue contacting surface that includes a number of pockets arranged for substantially aligning with the retention slots. In addition, the tissue contacting surface of the anvil member may complement the tissue contacting surface of the staple cartridge. | 12-06-2012 |
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 |
20130299555 | CARTRIDGE FOR APPLYING VARYING AMOUNTS OF TISSUE COMPRESSION - A surgical stapling apparatus includes a staple cartridge and an anvil member. The staple cartridge includes a plurality of surgical fasteners disposed in rows of retention slots. The staple cartridge may have an annular or linear configuration of retention slots. The tissue contacting surface of the staple cartridge may be tapered or stepped. The anvil member has a tissue contacting surface that includes a number of pockets arranged for substantially aligning with the retention slots. In addition, the tissue contacting surface of the anvil member may complement the tissue contacting surface of the staple cartridge. | 11-14-2013 |
20130306707 | ANNULAR ADHESIVE STRUCTURE - An apparatus for forming an anastomosis between adjacent intestinal sections of tissue is provided. The apparatus includes a circular surgical stapler having an anvil assembly with an anvil shaft and an anvil, the circular surgical stapler further having a tubular body portion with an annular knife and a body portion shaft selectively attachable to the anvil shaft; and a seal structure for deposition between the intestinal sections of tissue including a hub configured to engage attachment structure on at least one of the anvil shaft and the body portion shaft. The attachment structure is positioned so that the seal structure is located between the intestinal sections of tissue when the circular surgical stapler is disposed within the intestinal sections of tissue. | 11-21-2013 |
20130325025 | SPECIMEN RETRIEVAL DEVICE - A specimen retrieval device includes a handle, a shaft connected to said handle, and a bag deployment device connected to a distal end of the shaft. A specimen retrieval bag is connected to the bag deployment device and includes at least one material having a mesh disposed therein. At least one strand of the mesh is disposed at an angle relative to the bag deployment device and the flexibility of the bag is a function of the angle. | 12-05-2013 |
20140021241 | SURGICAL FASTENER-APPLYING APPARATUSES WITH SEQUENTIAL FIRING - A surgical fastening instrument is provided. The surgical fastening instrument includes a handle portion and an elongate portion extending distally from the handle portion and defining a longitudinal axis along a length thereof. The surgical fastening instrument also includes an end effector assembly that includes an anvil and a cartridge supported adjacent a distal end of the elongate portion. Each of the anvil and the cartridge includes a tissue contacting surface oriented substantially perpendicular to the longitudinal axis. One or more independently movable pushers is configured to support one or more surgical fasteners. A thrust bar is operatively coupled to the elongate portion, wherein the thrust bar is movable over a predetermined stroke to effect sequential ejection of at least two surgical fasteners of the plurality of surgical fasteners from the cartridge. | 01-23-2014 |
20140276967 | ARTICULATION JOINT FOR APPARATUS FOR ENDOSCOPIC PROCEDURES - An endoscopic surgical device is provided and includes an endoscopic anchor retaining/advancing assembly including a proximal tube portion and a distal tube portion pivotably connected to one another at an articulation joint; a proximal inner shaft rotatably disposed within the proximal tube portion; a distal inner shaft rotatably disposed within the distal tube portion; and a relatively flexible intermediate drive cable mechanically interconnecting the proximal inner shaft and the distal inner shaft, wherein the intermediate drive cable extends across the articulation joint, wherein the intermediate drive cable defines a central longitudinal axis that is off-set a radial distance from a central longitudinal axis of the proximal tube portion and the distal tube portion. | 09-18-2014 |