Patent application number | Description | Published |
20090145326 | SPLIT RAIL TROLLEY SYSTEM - An apparatus for removing a wheelset from a railroad vehicle includes a frame configured for motion with respect to the railroad vehicle. The apparatus also includes a lifting yoke cooperatively associated with the frame. The yoke is configured to engage flanges of the wheelset. The apparatus further includes at least one lifting screw interposed between the frame and the lifting yoke, such that upon rotation of the at least one lifting screw, the yoke may be raised and lowered to selectively engage the flanges of the wheelset. A “universal” lifting yoke can include a first portion which engages the at least one lifting screw, a set of extendable transverse members having outward ends, and flange-engaging blocks secured to the outward ends of the extendable transverse members and configured to engage the flanges of the wheelset. The extendable transverse members and the flange-engaging blocks can be cooperatively configured and dimensioned to engage substantially all anticipated wheelsets expected to be encountered in a given application. The “universal yoke” can be employed with screw-actuation, or with other types of actuating members. | 06-11-2009 |
20100089973 | SURGICAL INSTRUMENT WITH PIVOTABLE JAW MEMBER - A surgical instrument for surgically joining tissue is disclosed. The surgical instrument includes a handle assembly, an elongated portion extending distally from the handle assembly and defining a longitudinal axis, and an end effector disposed adjacent a distal portion of the elongated portion. The end effector includes a first jaw member and a second jaw member. The first jaw member defines a first axis, which is transverse to the longitudinal axis. The first jaw member is pivotable about the first axis. At least one of the first jaw member and the second jaw member is movable with respect to the other between a spaced-apart and an approximated position. | 04-15-2010 |
20100094315 | Dissection Tip And Introducer For Surgical Instrument - The present disclosure describes a surgical fastener applying apparatus that includes an elongate body portion having proximal and distal ends, an end effector including a first movably coupled to a second jaw that is positioned at the distal end of the elongate body portion, and an introducer member. The introducer member has proximal and distal portions, and is configured and dimensioned for releasable connection with the end effector. The introducer member is at least partially formed from a flexible material, and is configured and dimensioned to separate target tissue from collateral tissue prior to positioning of the target tissue between the first and second jaws of the end effector. | 04-15-2010 |
20100213240 | SURGICAL STAPLING APPARATUS WITH CURVED CARTRIDGE AND ANVIL ASSEMBLIES - A surgical instrument is designed for clamping, cutting, and/or joining tissue. This surgical instrument includes a handle portion, an elongate portion extending distally from the handle portion, first and second jaw members disposed adjacent a distal portion of the elongated portion, a shaft movable upon actuation of the handle portion, and a knife bar operatively coupled to the shaft. 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 knife bar has a curved profile and moves along at least one of the jaw members upon movement of the shaft. | 08-26-2010 |
20100301098 | SURGICAL INSTRUMENT AND METHOD FOR PERFORING A RESECTION - An end effector for use with a surgical instrument comprising an anvil shaft, a first anvil assembly disposed at a distal portion of the anvil shaft and a second anvil assembly mountable on the anvil shaft proximally of the first anvil assembly. Also, a method for performing a surgical procedure is provided including the steps of providing a surgical instrument including a first cartridge assembly and a first anvil assembly having an anvil shaft, approximating the first anvil assembly and first cartridge assembly and ejecting staples from the first cartridge assembly. The method further includes removing the first cartridge assembly from the tubular organ, and inserting a second anvil assembly into the tubular organ to engage the anvil shaft of the first anvil assembly and ejecting staples from a second cartridge assembly towards the second anvil assembly. | 12-02-2010 |
20110006102 | SURGICAL INSTRUMENT WITH DOUBLE CARTRIDGE AND ANVIL ASSEMBLIES - An end effector for use with a surgical instrument having a first cartridge assembly configured to deploy a first set of fasteners and a second cartridge assembly disposed distally of the first cartridge assembly. The second cartridge assembly is configured to move between an open position and an approximated position relative to clamp tissue. A central rod extends between the first cartridge assembly and the second cartridge assembly. | 01-13-2011 |
20110084112 | Varying Tissue Compression Aided By Elastic Members - The present disclosure relates to surgical fastener applying apparatus, and the application of variable compression to tissue. More specifically, the presently disclosed surgical fastener applying apparatus including a first jaw having proximal and distal ends and including an anvil member, the anvil member extending along a longitudinal axis and including a tissue contacting surface and a second jaw having proximal and distal ends movably coupled to the first jaw, the second jaw including a cartridge member and a channel. The surgical fastener applying apparatus further includes a pair of elastic members positioned between the cartridge member and the channel of the second jaw, the pair of elastic members configured and dimensioned to apply and maintain constant compressive forces to tissue regardless of tissue thickness. | 04-14-2011 |
20110178536 | SUTURE AND RETAINER ASSEMBLY AND SULU - A suturing system for receiving and retaining a suture is disclosed and includes a suture, at least one retainer, and at least one needle. Each needle is able to receive and removably retain the suture within a groove located in a tapered end. The retainer has a body that defines an aperture therethrough. The shape of the aperture is formed by a central passageway, and a pair of diametrically opposed slots extending radially outward from the central passageway. The central passageway is sized to allow passage of the needle therethrough. Each slot defines a tortured path section that permits passage of the suture in a first direction and inhibits passage of the suture in a second direction. | 07-21-2011 |
20110226150 | SPLIT RAIL TROLLEY SYSTEM - An apparatus for removing a wheelset from a railroad vehicle includes a frame configured for motion with respect to the railroad vehicle. The apparatus also includes a lifting yoke cooperatively associated with the frame. The yoke is configured to engage flanges of the wheelset. The apparatus further includes at least one lifting screw interposed between the frame and the lifting yoke, such that upon rotation of the at least one lifting screw, the yoke may be raised and lowered to selectively engage the flanges of the wheelset. A “universal” lifting yoke can include a first portion which engages the at least one lifting screw, a set of extendable transverse members having outward ends, and flange-engaging blocks secured to the outward ends of the extendable transverse members and configured to engage the flanges of the wheelset. The extendable transverse members and the flange-engaging blocks can be cooperatively configured and dimensioned to engage substantially all anticipated wheelsets expected to be encountered in a given application. The “universal yoke” can be employed with screw-actuation, or with other types of actuating members. | 09-22-2011 |
20110240712 | SURGICAL INSTRUMENT - A surgical instrument is provided. The surgical instrument includes a housing. The surgical instrument includes an elongated portion extending distally from the housing and defines a longitudinal axis. An end effector operably couples to the elongated portion. A first pivoting member pivotably couples to a distal end of the elongated portion. The first pivoting member defines a first pivot axis intersecting the longitudinal axis when the first pivoting member is rotated. A distal mounting assembly pivotably couples to the first pivoting member and operably couples to the end effector. The distal mounting assembly defines a second pivot axis intersecting the first pivot axis and the longitudinal axis when the proximal mounting assembly is rotated. | 10-06-2011 |
20120055973 | Surgical Instrument With Pivotable Jaw Member - A surgical instrument for surgically joining tissue is disclosed. The surgical instrument includes a handle assembly, an elongated portion extending distally from the handle assembly and defining a longitudinal axis, and an end effector disposed adjacent a distal portion of the elongated portion. The end effector includes a first jaw member and a second jaw member. The first jaw member defines a first axis, which is transverse to the longitudinal axis. The first jaw member is pivotable about the first axis. At least one of the first jaw member and the second jaw member is movable with respect to the other between a spaced-apart and an approximated position. | 03-08-2012 |
20120061450 | Surgical Instrument - A surgical instrument is provided. The surgical instrument includes a housing. The surgical instrument includes an elongated portion extending distally from the housing and defines a longitudinal axis. An end effector operably couples to the elongated portion. A first pivoting member pivotably couples to a distal end of the elongated portion. The first pivoting member defines a first pivot axis intersecting the longitudinal axis when the first pivoting member is rotated. A distal mounting assembly pivotably couples to the first pivoting member and operably couples to the end effector. The distal mounting assembly defines a second pivot axis intersecting the first pivot axis and the longitudinal axis when the proximal mounting assembly is rotated. | 03-15-2012 |
20120111920 | Staple Formed Over the Wire Wound Closure Procedure - An anvil assembly is provided and includes an anvil member having a plurality of staple bending pockets formed in a face of the anvil member and a length of reinforcing material suspended across the staple bending pockets. Longitudinal channels are provided in the face of the anvil member to releasably retain the reinforcing material. The longitudinal channels transect the staple bending pockets and support and suspend the reinforcing material over the staple bending pockets such that a leg of a surgical staple can be bent around the reinforcing material. Various configurations of fully formed staples are also disclosed and include a backspan having first and second legs extending from the backspan. First portions of each of the first and legs extend from the backspan and define a plane with the backspan. Second portions of each of the first and second legs extend from the first portions and project outwardly from the plane defined by the backspan and the first second portions. | 05-10-2012 |
20120143218 | Dissection Tip and Introducer for Surgical Instrument - The present disclosure describes a surgical fastener applying apparatus that includes an elongate body portion having proximal and distal ends, an end effector including a first movably coupled to a second jaw that is positioned at the distal end of the elongate body portion, and an introducer member. The introducer member has proximal and distal portions, and is configured and dimensioned for releasable connection with the end effector. The introducer member is at least partially formed from a flexible material, and is configured and dimensioned to separate target tissue from collateral tissue prior to positioning of the target tissue between the first and second jaws of the end effector. | 06-07-2012 |
20120160895 | Varying Tissue Compression Aided By Elastic Members - The present disclosure relates to surgical fastener applying apparatus, and the application of variable compression to tissue. More specifically, the presently disclosed surgical fastener applying apparatus including a first jaw having proximal and distal ends and including an anvil member, the anvil member extending along a longitudinal axis and including a tissue contacting surface and a second jaw having proximal and distal ends movably coupled to the first jaw, the second jaw including a cartridge member and a channel. The surgical fastener applying apparatus further includes a pair of elastic members positioned between the cartridge member and the channel of the second jaw, the pair of elastic members configured and dimensioned to apply and maintain constant compressive forces to tissue regardless of tissue thickness. | 06-28-2012 |
20120234894 | Shipping Wedge With Lockout - A loading unit having a shipping safety device is provided for use with a surgical instrument. The loading unit includes a body portion, a movable operative device disposed in the body portion and an actuator associated with the body portion and operable to move the movable operative device. A locking member movably mounted in the body portion and movable in response to movement of the actuator. The locking member is movable between a first locked position and a second unlocked position. The removable safety device generally includes a base, a blocking member projecting from the base and engageable with the movable operative device and a lockout member projecting from the base and engageable with the locking member. Flexible arms extend from the base and engage the body portion of the loading unit. The removable safety device is locked to the body portion when the locking member is in the first locked position and is unlocked for removal from the body portion when the locking member it is in the second unlocked position. | 09-20-2012 |
20120286021 | REPLACEABLE STAPLE CARTRIDGE - A stapling device including a replaceable loading unit is provided. The loading unit includes an elongated body and a stapling assembly having a first jaw and a second jaw. The first jaw of the stapling assembly includes an anvil assembly. The second jaw of the stapling assembly includes a releasably mounted cartridge assembly having a detent connection with the stapling assembly. Also provided is a tool for removing facilitating the separation of a replaceable cartridge assembly from a loading unit. | 11-15-2012 |
20120325892 | SURGICAL INSTRUMENT WITH DOUBLE CARTRIDGE AND ANVIL ASSEMBLIES - An end effector for use with a surgical instrument having a first cartridge assembly configured to deploy a first set of fasteners and a second cartridge assembly disposed distally of the first cartridge assembly. The second cartridge assembly is configured to move between an open position and an approximated position relative to clamp tissue. A central rod extends between the first cartridge assembly and the second cartridge assembly. | 12-27-2012 |
20130001270 | Surgical instrument and cartridge for use therewith - A cartridge assembly is disclosed. The cartridge assembly comprises a cartridge housing and a cartridge. The cartridge housing has a plurality of biasing members thereon. The cartridge is configured for reception at least partially within the cartridge housing. The cartridge includes a plurality of fasteners at least partially therein. The cartridge has a plurality of pockets. Each fastener is ejectable from a corresponding pocket. The cartridge has a plurality of chambers, and each chamber is adjacent a pocket and configured to store at least one fastener at least partially therein. At least one fastener is movable from the chamber to the pocket. The cartridge includes a plurality of pushers, where each pusher is configured to engage at least one corresponding fastener. At least one pusher includes at least one cam surface thereon. Each biasing member urges at least one corresponding fastener toward the corresponding pocket. | 01-03-2013 |
20130015231 | LOOSE STAPLES REMOVAL SYSTEMAANM Kostrzewski; StanislawAACI NewtownAAST CTAACO USAAGP Kostrzewski; Stanislaw Newtown CT US - A staple cartridge is provided for retaining fully formed staples not clenched through body tissue. The staple cartridge generally includes staple pockets containing surgical staples having a backspan and first and second legs projecting from the backspan and staple pushers positioned within the staple pockets beneath the surgical staples. The staple pushers include body portions having first and second flexible fingers extending from the body portions and removably engagable with the backspan of the surgical staples. The flexible fingers include flexible stems extending from the body portions and head portions extending from the flexible stems. Each head portion includes a rounded distal tip positioned offset from and outward of a central axis of the stem and an inwardly projecting grasping portion for engaging the backspan of the surgical staple. Distal ends of sidewalls of the staple pockets are flared outwardly to accommodate movement of the head portions of the flexible fingers. | 01-17-2013 |
20130053871 | Suture and Retainer Assembly and SULU - A suturing system for receiving and retaining a suture is disclosed and includes a suture, at least one retainer, and at least one needle. Each needle is able to receive and removably retain the suture within a groove located in a tapered end. The retainer has a body that defines an aperture therethrough. The shape of the aperture is formed by a central passageway, and a pair of diametrically opposed slots extending radially outward from the central passageway. The central passageway is sized to allow passage of the needle therethrough. Each slot defines a tortured path section that permits passage of the suture in a first direction and inhibits passage of the suture in a second direction. | 02-28-2013 |
20130098966 | Apparatus for Endoscopic Procedures - An electromechanical surgical system comprises a hand-held surgical instrument including an instrument housing defining a connecting portion for selectively connecting with a shaft assembly, the surgical instrument having at least one rotatable drive member, and an end effector configured to perform at least one function. The shaft assembly selectively interconnects the end effector and the surgical device. The shaft assembly includes a transmission housing and a force transmitting assembly for interconnecting the rotatable drive member and a rotation receiving member supported in the end effector. | 04-25-2013 |
20130098969 | Surgical Apparatus and Method for Endoscopic Surgery - The present disclosure is directed to an endoscopic surgical instrument and methods for performing a diverticulum treatment. The surgical instrument includes a handle assembly, an elongated member and a jaw assembly. The elongated member is operably coupled to the distal end of the handle assembly, while the jaw assembly is operably coupled to a distal end of the elongated member. The jaw assembly includes a knife slot that is defined therewithin and is adapted to receive a knife blade to thereby cut tissue that is disposed between the jaw assembly. The jaw assembly is configured to approximate an esophageal tract and a diverticulum. | 04-25-2013 |
20130105554 | SURGICAL INSTRUMENT WITH PIVOTABLE JAW MEMBER | 05-02-2013 |
20130112729 | DISSECTION TIP AND INTRODUCER FOR SURGICAL INSTRUMENT - The present disclosure describes a surgical fastener applying apparatus that includes an elongate body portion having proximal and distal ends, an end effector including a first movably coupled to a second jaw that is positioned at the distal end of the elongate body portion, and an introducer member. The introducer member has proximal and distal portions, and is configured and dimensioned for releasable connection with the end effector. The introducer member is at least partially formed from a flexible material, and is configured and dimensioned to separate target tissue from collateral tissue prior to positioning of the target tissue between the first and second jaws of the end effector. | 05-09-2013 |
20130153629 | Shipping Wedge with Lockout - A shipping wedge for use with a surgical instrument includes a base configured to be detachably secured with a body portion of the surgical instrument, a blocking member depending from the base and engageable with a movable operative member of the surgical instrument, and a locking member depending from the base and engageable with a lockout mechanism of the surgical instrument. | 06-20-2013 |
20130168433 | SURGICAL STAPLING APPARATUS WITH CURVED CARTRIDGE AND ANVIL ASSEMBLIES - A surgical instrument is designed for clamping, cutting, and/or joining tissue. This surgical instrument includes a handle portion, an elongate portion extending distally from the handle portion, first and second jaw members disposed adjacent a distal portion of the elongated portion, a shaft movable upon actuation of the handle portion, and a knife bar operatively coupled to the shaft. 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 knife bar has a curved profile and moves along at least one of the jaw members upon movement of the shaft. | 07-04-2013 |
20130172928 | Staple Formed Over the Wire Wound Closure Procedure - An anvil assembly is provided and includes an anvil member having a plurality of staple bending pockets formed in a face of the anvil member and a length of reinforcing material suspended across the staple bending pockets. Longitudinal channels are provided in the face of the anvil member to releasably retain the reinforcing material. The longitudinal channels transect the staple bending pockets and support and suspend the reinforcing material over the staple bending pockets such that a leg of a surgical staple can be bent around the reinforcing material. | 07-04-2013 |
20130228609 | SURGICAL INSTRUMENT AND METHOD FOR PERFORMING A RESECTION - An end effector for use with a surgical instrument comprising an anvil shaft, a first anvil assembly disposed at a distal portion of the anvil shaft and a second anvil assembly mountable on the anvil shaft proximally of the first anvil assembly. Also, a method for performing a surgical procedure is provided including the steps of providing a surgical instrument including a first cartridge assembly and a first anvil assembly having an anvil shaft, approximating the first anvil assembly and first cartridge assembly and ejecting staples from the first cartridge assembly. The method further includes removing the first cartridge assembly from the tubular organ, and inserting a second anvil assembly into the tubular organ to engage the anvil shaft of the first anvil assembly and ejecting staples from a second cartridge assembly towards the second anvil assembly. | 09-05-2013 |
20130245645 | SUTURE AND RETAINER ASSEMBLY AND SULU - A suturing system for receiving and retaining a suture is disclosed and includes a suture, at least one retainer, and at least one needle. Each needle is able to receive and removably retain the suture within a groove located in a tapered end. The retainer has a body that defines an aperture therethrough. The shape of the aperture is formed by a central passageway, and a pair of diametrically opposed slots extending radially outward from the central passageway. The central passageway is sized to allow passage of the needle therethrough. Each slot defines a tortured path section that permits passage of the suture in a first direction and inhibits passage of the suture in a second direction. | 09-19-2013 |
20130274722 | APPARATUS FOR ENDOSCOPIC PROCEDURES - An electromechanical surgical system having an instrument housing for connecting with a shaft assembly, a shaft assembly, and an end effector. The end effector is an articulating end effector and the system includes a cable tensioning system for tensioning the articulation cables. The system includes a clutch mechanism for preventing slippage of a drive cable. | 10-17-2013 |
20140021239 | Multi-Fire Surgical Stapling Apparatus Including Safety Lockout and Visual Indicator - A surgical stapling apparatus includes a cartridge assembly, a firing assembly, and a lockout assembly. The cartridge assembly is configured to house a plurality of sets of surgical fasteners. The firing assembly is configured for repeated actuation wherein, upon each actuation, the firing assembly is moved from a first position to a second position to at least partially eject a set of surgical fasteners. The firing assembly further configured to translate from the second position back to the first position to reset the firing assembly for subsequent actuation. The lockout assembly is configured to permit a predetermined number of actuations and is configured to transition from a first condition, wherein subsequent actuation is permitted, to a second condition, wherein subsequent actuation is inhibited, when a number of previous actuations of the firing assembly is equal to the predetermined number of actuations. | 01-23-2014 |
20140025046 | APPARATUS FOR ENDOSCOPIC PROCEDURES - An electromechanical surgical system is provided including a hand-held surgical instrument; an end effector; and a shaft assembly for selectively interconnecting the end effector and the surgical device. The shaft assembly includes a transmission housing; an outer tubular body; a distal neck housing for interconnecting a rotatable drive member of the surgical instrument and a rotation receiving member supported in the end effector, wherein the distal neck housing includes at least one gear system configured to convert a rotational input of the rotatable drive member into at least two output forces to the end effector; and an articulating neck assembly interconnecting the tubular body and the distal neck housing. The articulating neck assembly enables off-axis articulation of the distal neck assembly, and wherein the rotatable drive member extends through the articulating neck assembly. | 01-23-2014 |
20140094829 | Surgical Implant and Applicator - A surgical repair device is provided and includes a roll of surgical mesh material and an applicator for applying the roll of surgical mesh material to tissue. The applicator has a generally cylindrical body portion defining a chamber for receipt of the roll of surgical mesh material and longitudinally extending edges defining a gap therebetween for exposing the roll of surgical mesh material to the tissue. The surgical mesh material has a non-adhering surface and an adhering surface for engaging the tissue and securing the surgical mesh to the tissue. The roll of mesh material is oriented within the chamber with the adhering surfacing outward. A method of using the surgical repair device to repair a tear in tissue is also provided. | 04-03-2014 |
20140103092 | In-Situ Loaded Tri-Staple EGIA - In one aspect of the present disclosure a surgical stapling apparatus is disclosed including a cartridge assembly. The cartridge assembly includes at least one cartridge having a first half and a second half, a first row of retention slots disposed in the first half, a second row of retention slots disposed in the second half, a third row of retention slots being alternately disposed in the first half and the second half of the at least one cartridge between the first and second rows of staple receiving slots, a plurality of fasteners disposed in the retention slots of the first, second and third rows, and a plurality of pushers disposed in each of the first and second halves of the cartridge. | 04-17-2014 |
20140107676 | SURGICAL INSTRUMENT WITH DOUBLE CARTRIDGE AND ANVIL ASSEMBLIES - An end effector for use with a surgical instrument having a first cartridge assembly configured to deploy a first set of fasteners and a second cartridge assembly disposed distally of the first cartridge assembly. The second cartridge assembly is configured to move between an open position and an approximated position relative to clamp tissue. A central rod extends between the first cartridge assembly and the second cartridge assembly. | 04-17-2014 |
20140131418 | Surgical Stapling Apparatus Including Buttress Attachment - A surgical stapling apparatus, a surgical stapling loading unit and a staple cartridge assembly are provided including a buttress releasably disposed against a tissue contacting surface of a cartridge assembly and/or an anvil assembly, a continuous length of suture securing a respective surgical buttress against the respective the tissue contacting surface, wherein the suture extends transversely across the respective surgical buttress, and a retaining feature securing each suture to the respective cartridge assembly and anvil assembly. The retaining feature may include an adhesive adhering the suture to a surface of the cartridge assembly and/or anvil assembly. The adhesive may adheres the suture to multiple locations along the surface of the cartridge assembly and/or anvil assembly. | 05-15-2014 |
20140158748 | SURGICAL STAPLING APPARATUS WITH CURVED CARTRIDGE AND ANVIL ASSEMBLIES - A surgical instrument is designed for clamping, cutting, and/or joining tissue. This surgical instrument includes a handle portion, an elongate portion extending distally from the handle portion, first and second jaw members disposed adjacent a distal portion of the elongated portion, a shaft movable upon actuation of the handle portion, and a knife bar operatively coupled to the shaft. 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 knife bar has a curved profile and moves along at least one of the jaw members upon movement of the shaft. | 06-12-2014 |
20140165756 | Lower Anterior Resection 90 Degree Instrument - An articulating surgical instrument is disclosed, and includes an end effector and a drive assembly operably coupled with the end effector. The end effector includes a first drive shaft defining a first axis, and a second drive shaft operably engaged with and extending away from the first drive shaft. The second drive shaft is operably coupled with the end effector and defines a second axis, the second axis different from the first axis. The first drive shaft and the second drive shaft are pivotably arranged such that the first drive shaft and the second drive shaft are configured to transition between a first, substantially straight arrangement and a second, substantially perpendicular arrangement. | 06-19-2014 |
20140166723 | DISSECTION TIP AND INTRODUCER FOR SURGICAL INSTRUMENT - The present disclosure describes a surgical fastener applying apparatus that includes an elongate body portion having proximal and distal ends, an end effector including a first movably coupled to a second jaw that is positioned at the distal end of the elongate body portion, and an introducer member. The introducer member has proximal and distal portions, and is configured and dimensioned for releasable connection with the end effector. The introducer member is at least partially formed from a flexible material, and is configured and dimensioned to separate target tissue from collateral tissue prior to positioning of the target tissue between the first and second jaws of the end effector. | 06-19-2014 |
20140209659 | SHIPPING WEDGE WITH LOCKOUT - A shipping wedge for use with a surgical instrument includes a base configured to be detachably secured with a body portion of the surgical instrument, a blocking member depending from the base and engageable with a movable operative member of the surgical instrument, and a locking member depending from the base and engageable with a lockout mechanism of the surgical instrument. | 07-31-2014 |
20140249549 | SURGICAL INSTRUMENT AND CARTRIDGE FOR USE THEREWITH - A cartridge assembly is disclosed. The cartridge assembly comprises a cartridge housing and a cartridge. The cartridge housing has a plurality of biasing members thereon. The cartridge is configured for reception at least partially within the cartridge housing. The cartridge includes a plurality of fasteners at least partially therein. The cartridge has a plurality of pockets. Each fastener is ejectable from a corresponding pocket. The cartridge has a plurality of chambers, and each chamber is adjacent a pocket and configured to store at least one fastener at least partially therein. At least one fastener is movable from the chamber to the pocket. The cartridge includes a plurality of pushers, where each pusher is configured to engage at least one corresponding fastener. At least one pusher includes at least one cam surface thereon. Each biasing member urges at least one corresponding fastener toward the corresponding pocket. | 09-04-2014 |
20140252065 | STAPLE CARTRIDGE WITH SHIPPING WEDGE - An end effector usable with a surgical instrument includes a first jaw pivotably coupled to a second jaw. The first jaw includes staple forming depressions. A staple cartridge is releasably attachable to a channel of the second jaw. A plurality of staples is disposed in the staple cartridge. A shipping wedge is releasably attached to the staple cartridge. The shipping wedge maintains the staples in their respective retention slots and is usable to separate the staple cartridge from the channel of the second jaw. | 09-11-2014 |
20140263545 | SURGICAL STAPLING APPARATUS - A surgical stapling apparatus (stapler) is provided. The stapler includes a housing, elongated member, and a reload. A cartridge is configured to selectively couple to a first jaw member of the reload and includes one or more resilient members thereon. An anvil operably supported on a second jaw member of the reload is configured to compress one or more fasteners ejected from the cartridge. The anvil includes one or more locking members thereon. A knife is configured to translate through the cartridge and anvil when the first and second jaw members are in a closed configuration. Engagement between the knife and the resilient member(s) causes the resilient member(s) to move from an initial configuration that allows the knife to travel distally past the locking member(s) to a final configuration that allows the locking member(s) to engage the knife. | 09-18-2014 |
20140263559 | SURGICAL STAPLING APPARATUS - A surgical stapling apparatus (stapler) is provided. The stapler includes a housing, elongated member, and a reload. A cartridge is configured to selectively couple to a first jaw member of the reload and includes one or more resilient members thereon. An anvil operably supported on a second jaw member of the reload is configured to compress one or more fasteners ejected from the cartridge. The anvil includes one or more locking members thereon. A knife is configured to translate through the cartridge and anvil when the first and second jaw members are in a closed configuration. Engagement between the knife and the resilient member(s) causes the resilient member(s) to move from an initial configuration that allows the knife to travel distally past the locking member(s) to a final configuration that allows the locking member(s) to engage the knife. | 09-18-2014 |
20140263566 | SURGICAL STAPLING APPARATUS - A surgical stapling apparatus (stapler) is provided. The stapler includes a housing, elongated member, and a reload. A cartridge is configured to selectively couple to a first jaw member of the reload and includes one or more resilient members thereon. An anvil operably supported on a second jaw member of the reload is configured to compress one or more fasteners ejected from the cartridge. The anvil includes one or more locking members thereon. A knife is configured to translate through the cartridge and anvil when the first and second jaw members are in a closed configuration. Engagement between the knife and the resilient member(s) causes the resilient member(s) to move from an initial configuration that allows the knife to travel distally past the locking member(s) to a final configuration that allows the locking member(s) to engage the knife. | 09-18-2014 |
20140263567 | SURGICAL STAPLING APPARATUS - A surgical stapling apparatus (stapler) is provided. The stapler includes a housing, elongated member, and a reload. A cartridge is configured to selectively couple to a first jaw member of the reload and includes one or more resilient members thereon. An anvil operably supported on a second jaw member of the reload is configured to compress one or more fasteners ejected from the cartridge. The anvil includes one or more locking members thereon. A knife is configured to translate through the cartridge and anvil when the first and second jaw members are in a closed configuration. Engagement between the knife and the resilient member(s) causes the resilient member(s) to move from an initial configuration that allows the knife to travel distally past the locking member(s) to a final configuration that allows the locking member(s) to engage the knife. | 09-18-2014 |
20140263568 | SURGICAL STAPLING APPARATUS - A surgical stapling apparatus (stapler) is provided. The stapler includes a housing, elongated member, and a reload. A cartridge is configured to selectively couple to a first jaw member of the reload and includes one or more resilient members thereon. An anvil operably supported on a second jaw member of the reload is configured to compress one or more fasteners ejected from the cartridge. The anvil includes one or more locking members thereon. A knife is configured to translate through the cartridge and anvil when the first and second jaw members are in a closed configuration. Engagement between the knife and the resilient member(s) causes the resilient member(s) to move from an initial configuration that allows the knife to travel distally past the locking member(s) to a final configuration that allows the locking member(s) to engage the knife. | 09-18-2014 |
20140263569 | SURGICAL STAPLING APPARATUS - A surgical stapling apparatus (stapler) is provided. The stapler includes a housing, elongated member, and a reload. A cartridge is configured to selectively couple to a first jaw member of the reload and includes one or more resilient members thereon. An anvil operably supported on a second jaw member of the reload is configured to compress one or more fasteners ejected from the cartridge. The anvil includes one or more locking members thereon. A knife is configured to translate through the cartridge and anvil when the first and second jaw members are in a closed configuration. Engagement between the knife and the resilient member(s) causes the resilient member(s) to move from an initial configuration that allows the knife to travel distally past the locking member(s) to a final configuration that allows the locking member(s) to engage the knife. | 09-18-2014 |
20140284372 | MICRO SURGICAL INSTRUMENT AND LOADING UNIT FOR USE THEREWITH - A loading unit configured for engagement with a surgical instrument is disclosed. The loading unit comprises a proximal body portion and a tool assembly. The proximal body portion defines a longitudinal axis. The tool assembly is disposed in mechanical cooperation with the proximal body portion and includes a cartridge assembly and an anvil assembly. At least one of the cartridge assembly and the anvil assembly is movable with respect to the other between an open position and an approximated position to engage tissue therebetween. The cartridge assembly is configured to house a plurality of fasteners therein. The diameter of the tool assembly is less than or equal to about 8 mm. | 09-25-2014 |
20150039010 | DISSECTION TIP AND INTRODUCER FOR SURGICAL INSTRUMENT - The present disclosure describes a surgical fastener applying apparatus that includes an elongate body portion having proximal and distal ends, an end effector including a first movably coupled to a second jaw that is positioned at the distal end of the elongate body portion, and an introducer member. The introducer member has proximal and distal portions, and is configured and dimensioned for releasable connection with the end effector. The introducer member is at least partially formed from a flexible material, and is configured and dimensioned to separate target tissue from collateral tissue prior to positioning of the target tissue between the first and second jaws of the end effector. | 02-05-2015 |
20150060524 | SURGICAL INSTRUMENT WITH DOUBLE CARTRIDGE AND ANVIL ASSEMBLIES - An end effector for use with a surgical instrument having a first cartridge assembly configured to deploy a first set of fasteners and a second cartridge assembly disposed distally of the first cartridge assembly. The second cartridge assembly is configured to move between an open position and an approximated position relative to clamp tissue. A central rod extends between the first cartridge assembly and the second cartridge assembly. | 03-05-2015 |
20150083784 | SURGICAL STAPLING APPARATUS WITH CURVED CARTRIDGE AND ANVIL ASSEMBLIES - A surgical instrument is designed for clamping, cutting, and/or joining tissue. This surgical instrument includes a handle portion, an elongate portion extending distally from the handle portion, first and second jaw members disposed adjacent a distal portion of the elongated portion, a shaft movable upon actuation of the handle portion, and a knife bar operatively coupled to the shaft. 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 knife bar has a curved profile and moves along at least one of the jaw members upon movement of the shaft. | 03-26-2015 |
20150090767 | Surgical Stapling Apparatus - A surgical stapler includes an anvil assembly and a cartridge assembly. The anvil assembly defines staple forming depressions. One or both of the anvil assembly and the cartridge assembly are pivotable relative to the other between an open position and a clamped position. The cartridge assembly includes a first plurality of staples and a second plurality of staples. The first plurality of staples is initially positioned in alignment with the staple forming depressions of the anvil assembly for ejection from the cartridge assembly. The second plurality of staples is movably supported in the cartridge assembly from a first position misaligned with the staple forming depressions of the anvil assembly to a second position aligned with the staple forming depressions for subsequent ejection from the cartridge assembly. | 04-02-2015 |
20150097019 | SURGICAL INSTRUMENT AND CARTRIDGE FOR USE THEREWITH - A cartridge assembly is disclosed. The cartridge assembly comprises a cartridge housing and a cartridge. The cartridge housing has a plurality of biasing members thereon. The cartridge is configured for reception at least partially within the cartridge housing. The cartridge includes a plurality of fasteners at least partially therein. The cartridge has a plurality of pockets. Each fastener is ejectable from a corresponding pocket. The cartridge has a plurality of chambers, and each chamber is adjacent a pocket and configured to store at least one fastener at least partially therein. At least one fastener is movable from the chamber to the pocket. The cartridge includes a plurality of pushers, where each pusher is configured to engage at least one corresponding fastener. At least one pusher includes at least one cam surface thereon. Each biasing member urges at least one corresponding fastener toward the corresponding pocket. | 04-09-2015 |
20150129632 | SHIPPING WEDGE WITH LOCKOUT - A shipping wedge for use with a surgical instrument includes a base configured to be detachably secured with a body portion of the surgical instrument, a blocking member depending from the base and engageable with a movable operative member of the surgical instrument, and a locking member depending from the base and engageable with a lockout mechanism of the surgical instrument. | 05-14-2015 |
20150133771 | DEVICES AND METHODS FACILITATING SLEEVE GASTRECTOMY AND OTHER PROCEDURES - A device for use in bariatric surgery includes a flexible hollow tube extending from a proximal end to a distal end and defines a channel therebetween. A series of openings is defined in a distal portion of the tube allowing for fixation of tissue using suction. A flexible member has an initial position disposed alongside the tube and is deployable to a subsequent position in which the flexible member engages a greater curvature of a stomach. The flexible member is configured to be deployable to automatically assume a shape of a greater curvature of a stomach. The flexible member includes a bulging region and a tapering region when deployed. The flexible member is releasably attached to the distal end of the tube. | 05-14-2015 |
20150133957 | MEDICAL DEVICE ADAPTER WITH WRIST MECHANISM - A surgical device adapter for coupling an end effector to a surgical device is disclosed. The surgical device adapter includes: a proximal joint housing including a proximal end and a distal end, the proximal joint housing couplable at the proximal end thereof to the surgical device; a middle joint housing having a proximal end and a distal end, the middle joint housing pivotally coupled at the proximal end thereof to the distal end of the proximal joint housing, the middle joint housing pivotable about a first pivot axis defined between the proximal joint housing and the middle joint housing; and a distal joint housing having a proximal end and a distal end, the distal join housing pivotally coupled at the proximal end thereof to the distal end of the middle joint housing, the distal joint housing coupleable at the distal end thereof to the end effector and pivotable about a second pivot axis defined between the middle joint housing and the distal joint housing, the second pivot axis being transverse to the first pivot axis. | 05-14-2015 |
20150209030 | SURGICAL APPARATUS - A surgical stapling apparatus is provided. The surgical stapling apparatus includes an actuating device including an elongated shaft. A tool assembly is disposed on a distal end of the shaft. The tool assembly includes a first jaw member supporting a cartridge assembly having a plurality of surgical fasteners, and a second jaw member supporting an anvil. The first jaw member is movable in relation to the second jaw member between a spaced position and an approximated position. One of the first and second jaw members includes a cantilever at a proximal end thereof. A firing cam bar assembly is slidably disposed within the tool assembly and includes a cam surface configured to engage the cantilever to move the first and second jaw member towards the approximated position and a distal end configured to deploy the plurality of surgical fasteners from the cartridge assembly. | 07-30-2015 |
20150209037 | SURGICAL APPARATUS - A surgical stapling apparatus is provided. The surgical stapling apparatus includes an actuating device including an elongated shaft. A tool assembly is disposed on a distal end of the shaft. The tool assembly includes a first jaw member supporting a cartridge assembly having a plurality of surgical fasteners, and a second jaw member supporting an anvil. The first jaw member is movable in relation to the second jaw member between a spaced position and an approximated position. One of the first and second jaw members includes a cantilever at a proximal end thereof. A firing cam bar assembly is slidably disposed within the tool assembly and includes a cam surface configured to engage the cantilever to move the first and second jaw member towards the approximated position and a distal end configured to deploy the plurality of surgical fasteners from the cartridge assembly. | 07-30-2015 |
20150209044 | SURGICAL INSTRUMENT - A surgical instrument is provided. The surgical instrument includes a housing. The surgical instrument includes an elongated portion extending distally from the housing and defines a longitudinal axis. An end effector operably couples to the elongated portion. A first pivoting member pivotably couples to a distal end of the elongated portion. The first pivoting member defines a first pivot axis intersecting the longitudinal axis when the first pivoting member is rotated. A distal mounting assembly pivotably couples to the first pivoting member and operably couples to the end effector. The distal mounting assembly defines a second pivot axis intersecting the first pivot axis and the longitudinal axis when the proximal mounting assembly is rotated. | 07-30-2015 |
20150223811 | MULTI-USE LOADING UNIT - A cartridge assembly is disclosed. The cartridge assembly includes a channel and a removable assembly in releasable engagement with the channel. The removable assembly includes a cartridge body and a support plate. The cartridge body includes an engagement structure disposed adjacent a proximal end thereof. The support plate is configured to mechanically engage the cartridge body and includes an engagement structure disposed adjacent a proximal end thereof. The engagement structure of the cartridge body is configured for longitudinal alignment with the engagement structure of the support plate. The engagement structures of the cartridge body and the engagement structure of the support plate are configured to mechanically engage the engagement structure of the channel when the removable assembly is engaged with the channel. | 08-13-2015 |
20150230793 | SMALL DIAMETER ENDOSCOPIC STAPLER - A surgical stapler is described herein which includes a shaft portion and a tool assembly supported on a distal end of the shaft portion. The too assembly includes an anvil and a cartridge body which rotatably supports a plurality of staples within notches. At least one firing cam is provided to sequentially to engage and rotate each of the staples to fire the staples from the cartridge body. In embodiments, the cartridge body includes two spaced legs which support two linear rows of staples. Each of the spaced legs of the cartridge body is supported within one of a first and a second cartridge channel. The cartridge channels are fixed to opposite sides of a pivot member which is pivotally supported at a distal end of the shaft portion between the shaft portion and the tool assembly such that translation of the first and second cartridge channels in opposite directions effects articulation of the tool assembly in relation to the shaft portion. | 08-20-2015 |
20150327850 | ADAPTOR FOR SURGICAL INSTRUMENT FOR CONVERTING ROTARY INPUT TO LINEAR OUTPUT - An adaptor for a powered surgical instrument includes a casing, a cam drum, a first linear driver, and a second linear driver. The cam drum defines and is translatable along a longitudinal axis of the adaptor between a retracted position and an advanced position. The cam drum is being supported for rotation about the longitudinal axis. The cam drum defines first and second radial cam grooves about an outer surface thereof. The first cam groove defines a first profile and the second cam groove defines a second profile. The first linear driver includes a first cam follower disposed in the first cam groove and the second linear driver includes a second cam follower disposed in the second cam groove. The first and second linear drivers are supported for movement between advanced and retracted positions in response to rotation of the cam drum. | 11-19-2015 |
20150327851 | Surgical Instrument - A surgical stapling apparatus for progressively stapling and forming an incision in body tissue is provided. The apparatus includes a body portion and a tool assembly supported on the body portion. The apparatus further includes an input cam member slidable within the body portion, a drum member rotatably supported within the body portion, and an output cam member slidable within the body portion. The drum member is coupled to the input cam member such that linear movement of the input cam member effects rotatable movement of the drum member. The output cam member is coupled to the drum member such that rotatable movement of the drum member effects linear movement of the output cam member. Linear movement of the input cam member effects movement of an anvil in relation to a cartridge between unclamped and clamped positions. | 11-19-2015 |
20150327862 | IN-SITU LOADED TRI-STAPLE EGIA - A stapling device is described which includes a tool assembly having an anvil assembly and a cartridge assembly movably supported in relation to the anvil assembly. The cartridge assembly includes a cartridge body defining a tissue contact surface and a plurality of retention slots which open onto the tissue contact surface. The cartridge body defines a plurality of recesses wherein each of the recesses is associated with one of the plurality of retention slots. A staple magazine is positioned within each of the recesses, and includes a plurality of staples. At least one biasing member is supported adjacent each of the recesses and is positioned to urge the staple magazine towards a respective one of the retention slots. A plurality of pushers is movably supported within the cartridge body between a lower position and a raised position. Each of the plurality of pushers is positioned to engage and eject at least one of the staples of the staple magazine from the retention slots. The at least one biasing member is positioned to obstruct movement of the pusher from the lower position to the raised position after the plurality of staples of the staple magazine have been ejected from a respective one of the retention slots. | 11-19-2015 |
20150342599 | Stitching End Effector - A stitching assembly including upper and lower cradles, upper and lower needles, and first and second sutures supported by the upper and lower needles respectively. The cradles moves along a curved path in relation to the carriages between advanced and retracted positions. When each cradle is moved from the retracted position towards the advanced position a stitch loop is formed when the respective needle is retracted. This process is repeated alternating between the first and second cradles with the upper and lower needles passing through the previous stitch loop formed by the other needle before passing through the tissue. | 12-03-2015 |