Patent application number | Description | Published |
20110137323 | SURGICAL CLIP APPLIER - A surgical clip applier is provided including a housing; at least one handle pivotably connected to the housing; a channel assembly extending distally from the housing; a plurality of clips loaded in the clip carrier; a drive channel translatably supported in the housing and the channel assembly, the drive channel being translated upon actuation of the at least one handle; and a counter mechanism supported in the housing, the counter mechanism including indicia visible through the housing, wherein the indicia corresponds to a quantity of clips loaded in the clip applier, wherein the indicia decrements upon each firing of the clip applier resulting in a reduction in the quantity of clips remaining of the plurality of clips. | 06-09-2011 |
20110144665 | SURGICAL CLIP APPLIER - Surgical clip appliers are provided and include a housing; at least one handle pivotably connected to the housing; a channel assembly extending distally from the housing; a clip carrier disposed within the channel assembly and defining a channel and a plurality of windows therein; and a plurality of clips slidably disposed within the channel of the clip carrier. The surgical clip appliers further include a drive channel reciprocally disposed within at least one of the housing and the channel assembly; a wedge plate reciprocally disposed within the channel assembly; a pusher bar reciprocally positioned within the housing and the channel assembly; and a motion multiplier system having a plurality of linkage members configured to distally move the pusher bar by an incremental amount upon an initial actuation of the handles, and configured to proximally move the pusher bar and the wedge plate subsequent to the initial actuation of the handles. | 06-16-2011 |
20110184459 | Articulating Surgical Device - An articulation mechanism for a surgical instrument includes an articulation assembly, a plurality of cables, and a trigger. The cables are coupled to the articulation assembly at a proximal end thereof and extend distally therefrom. The cables are configured to engage an end effector assembly of the surgical instrument at a distal end thereof. The trigger is coupled to the articulation assembly and is selectively moveable from a shipping position to a use position. In the shipping position, the cables are substantially un-tensioned. In the use position, the cables are disposed in an initial tensioned position. In the use position, the trigger is moveable between an unlocked position and a locked position. In the unlocked position, the cables are selectively tensionable to articulate the end effector assembly. In the locked position, the tensions on the cables are maintained to lock the end effector assembly in position. | 07-28-2011 |
20110270281 | Articulating Axial Needle Grasper - An end effector is presented having an elongate body portion having a proximal end and a distal end. The end effector also includes a rotating head configured to be disposed at the distal end of the body portion and an actuation member configured to be disposed at the proximal end of the body portion. The actuation member is in operative cooperation with a handle assembly to enable rotational movement of the rotating head. The rotating head further cooperates with a needle movable relative to the rotating head. | 11-03-2011 |
20120150197 | Suturing Device with Deployable Needle - A surgical apparatus for use in endoscopic and/or laparoscopic procedures is provided. The surgical apparatus has an elongated body portion, a first jaw member extending from the body portion, and a second jaw member extending from the body portion and opposing the first jaw member. The second jaw member has a split nest slide coupled thereto that is configured to position a surgical incision member in a folded or unfolded position. | 06-14-2012 |
20120253131 | Articulating Surgical Access System For Laparoscopic Surgery - A surgical system includes one or more arms defining a passageway therethrough. The arm includes a proximal portion configured for positioning externally of a patient's body and a distal portion configured for positioning within an internal body cavity. The distal portion includes first and second articulatable segments spaced apart from one another and capable of independent articulation between a substantially straight configuration and an articulated configuration. A first articulation assembly is coupled to the proximal portion of the one arm and is transitionable between a first state and a second state for articulating the first articulatable segment between the substantially straight configuration and the articulated configuration. A second articulation assembly is coupled to the proximal portion of the arm and is configured to move between a plurality of positions for articulating the second articulatable segment between the substantially straight configuration and the articulated configuration. | 10-04-2012 |
20120253327 | Dual Cable Triangulation Mechanism - A surgical system is adapted and configured for use in a minimally invasive surgical procedure. The surgical system includes a surgical instrument that is operatively coupled to a seal anchor member for accessing an underlying body cavity and manipulating a target tissue within the body cavity. The surgical instrument includes a plurality of arms that are triangulatable with respect to each other and the target tissue. | 10-04-2012 |
20120310220 | Surgical Articulation Assembly - A surgical articulation assembly is disclosed, including a control assembly and an articulable portion. The surgical articulation assembly has a passage therethrough for receiving a surgical object. The articulable portion includes at least two segments capable of independent movement. Disposed within the control assembly is an actuation assembly including a driving member, a translating member, two engagement members, a rotating member, and connecting members engaging in cooperation to effect forces through the connecting members on each of the first and second segments. More than one actuation assembly may be present, and the associated components of the actuation assembly may be configured to effect bi-directional articulation of the first and second segments in more than one plane. | 12-06-2012 |
20130012929 | Swinging Bars with Axial Wheels to Drive Articulating Cables - Disclosed is an articulation mechanism for a surgical instrument including a housing defining a longitudinal axis. The housing has a first slot extending at least partially through the housing and a second slot extending at least partially through the housing offset from the first slot. The articulation mechanism further includes a first bar member which is adapted for insertion into the first slot. The articulation mechanism further includes a second bar member which is adapted for insertion into the second slot. Each bar member is rotatable within its respective slot to articulate a cable. Each end portion of each bar member includes a pulley inserted into a channel of the end portion which is adapted for the engagement with a cable. | 01-10-2013 |
20130023859 | Articulating Links with Middle Link Control System - A surgical instrument that is transitionable between a bent and a straight position is disclosed. The surgical instrument includes two sections that are made up of articulating links that define gaps therebetween to facilitate bending of the surgical instrument. Restricting movement of a middle link that is positioned between the two sections results in a reduced positioned error. | 01-24-2013 |
20130172910 | SURGICAL CLIP APPLIER - A surgical clip applier is provided including a walking beam reciprocally disposed within a channel assembly and overlying a clip carrier, the walking beam being operatively connected to at least one handle for reciprocal movement upon actuation of the at least one handle, the walking beam including a plurality of distally oriented ramps extending into the clip channel; and a clip follower slidably disposed within the channel of the clip carrier and disposed proximally of the plurality of clips, the clip follower being configured and adapted for selective engagement with the distally oriented ramps of the clip carrier and the distally oriented ramps of the walking beam, wherein the clip follower is configured and adapted to urge the plurality of clips, in a distal direction relative to the clip carrier, upon reciprocal movement of the walking beam. | 07-04-2013 |
20130172911 | SURGICAL CLIP APPLIER WITH INTEGRATED CLIP COUNTER - A surgical clip applier is provided including a channel assembly and overlying a clip carrier having a clip counter plate slidably supported in the channel assembly, wherein the clip counter plate is configured and adapted to display a change in status of the clip applier upon actuation of the handle. | 07-04-2013 |
20130178708 | Articulating Method Including A Pre-Bent Tube - A surgical device is provided including an access port having a tubular member with a first ring secured at a proximal end and a second ring secured at a distal end; an articulation structure having an outer tube and an inner tube; and a control mechanism coupled to one end of the inner tube for advancing the inner tube through the outer tube; wherein the outer tube includes at least one rigid section and at least one flexible section and the inner tube includes at least two pre-bent sections. | 07-11-2013 |
20130178712 | Triangulation Methods with Hollow Segments - A surgical apparatus providing access to an underlying body cavity through a tissue tract articulates a flexible surgical object inserted therein. The surgical apparatus includes a tube member defining a longitudinal axis and a lumen therethrough to receive the flexible surgical object. The tube member includes a proximal member, a middle member connected to the proximal member at a first joint, and a distal member connected to the middle member at a second joint. The surgical apparatus also includes articulation mechanisms to articulate the tube member. | 07-11-2013 |
20130178837 | Surgical Instrument with Articulating Assembly - A surgical instrument includes a housing having an elongated member assembly extending from the housing. The elongated member has a first portion and a second portion. The second portion is movably coupled to the first portion by a cable that facilitates the relative movement of the first portion and the second portion. | 07-11-2013 |
20130178838 | Surgical Articulation Assembly - A surgical articulation assembly is disclosed, including a control assembly and an articulable portion. The articulable portion includes at least two segments capable of independent movement. The control assembly defines an axis and three user controls configured to be engaged by an operator. Disposed within the control assembly are three pairs of diametrically opposed driving members that effects translation of a connecting member upon engagement of the user controls. An end of the connecting member is attached to one of the first and second segments of the articulable portion. As the connecting member translates with the driving members, the three user controls allow an operator to exert forces at points along the articulable portion. Also disclosed is a method of effecting articulation of a surgical articulation assembly. | 07-11-2013 |
20130310849 | JAW CLOSURE MECHANISM FOR A SURGICAL CLIP APPLIER - A jaw closure mechanism for use in a surgical clip applier having first and second jaws movable relative to one another between a spaced-apart position and an approximated position to form a surgical clip about tissue. The jaw closure mechanism includes first and second eccentric wheels rotatably coupled to the respective first and second jaws. Each of the wheels includes a center and a pivot point that is offset relative to the center. A cable is disposed about each of the wheels. The cable is engaged to the first wheel at a first engagement point and to the second wheel at a second engagement point such that, upon application of a drive force to the cable, the wheels are rotated and displaced relative to the respective jaws from a first position to a second position to urge the jaws from the spaced-apart position to the approximated position. | 11-21-2013 |
20140039526 | SURGICAL CLIP APPLIER - Surgical clip appliers are provided and include a housing; at least one handle pivotably connected to the housing; a channel assembly extending distally from the housing; a clip carrier disposed within the channel assembly and defining a channel and a plurality of windows therein; and a plurality of clips slidably disposed within the channel of the clip carrier. The surgical clip appliers further include a drive channel reciprocally disposed within at least one of the housing and the channel assembly; a wedge plate reciprocally disposed within the channel assembly; a pusher bar reciprocally positioned within the housing and the channel assembly; and a motion multiplier system having a plurality of linkage members configured to distally move the pusher bar by an incremental amount upon an initial actuation of the handles, and configured to proximally move the pusher bar and the wedge plate subsequent to the initial actuation of the handles. | 02-06-2014 |
20140194903 | Surgical Clip Applier - A surgical clip applier is provided and includes a ratchet mechanism having a rack member connected to a drive channel such that axial translation of the drive channel results in axial translation of the rack member, the rack member defining a first set of teeth along a first side thereof and a second set of teeth along a second side thereof. The ratchet mechanism including a first pawl and a second pawl each tiltably supported in the housing and disposed on respective opposed sides of the rack member; and a buckling spring interposed between the first pawl and the second pawl and constrained in a slot formed in the rack member, wherein the buckling spring is dimensioned so as to bow in one of a proximal direction and a distal direction. | 07-10-2014 |
20140207156 | SURGICAL CLIP APPLIER - A surgical clip applier is provided including a housing, at least one handle pivotably connected to the housing, a channel assembly extending distally from the housing, a clip carrier disposed within said channel assembly and defining a channel therein, a plurality of clips slidably disposed within the channel of said clip carrier, a jaw assembly including a pair of jaws extending from an end of the channel assembly, opposite the housing, adapted to accommodate a clip therein and being operable to effect formation of a clip in response to movement of said at least one handle, and a shuttle bar slidably supported in the channel assembly and configured to transport a clip from the clip carrier to the jaw assembly. | 07-24-2014 |
20140276666 | Systems for Performing Endoscopic Procedures - A system for performing an endoscopic procedure is provided. The system includes an actuation assembly having a handle assembly and a shaft assembly. The system also includes an end effector configured for selective and operative connection to a distal end of the shaft assembly. The system further includes a holder for selectively engaging the end effector and facilitating attachment of the end effector to the shaft assembly. | 09-18-2014 |
20140316432 | Constant Value Gap Stabilizer for Articulating Links - A surgical instrument is adapted and configured for use in a minimally invasive surgical procedure. The surgical instrument includes at least one pair of segments including a plurality of articulating links having gaps therebetween. At least one gap stabilizer stabilizes the articulating links and facilitates maintaining equally sized gaps between the articulating links during bending of the surgical instrument. | 10-23-2014 |
20150038793 | DEVICES, SYSTEMS, AND METHODS FOR PROVIDING SURGICAL ACCESS AND FACILITATING CLOSURE OF SURGICAL ACCESS OPENINGS - A surgical system includes a cannula and a guide member. The cannula is configured for positioning within an opening in tissue. The cannula includes a base and an elongated tubular member extending distally from the base. The elongated tubular member includes an annular wall defining a longitudinal passageway and defines at least one slot extending through the annular wall. The guide member includes a guide housing configured for releasably engaging the guide member with the cannula and an elongated guide shaft configured for insertion into the elongated tubular member of the cannula. The guide member defines at least one lumen extending therethrough and is configured such that, upon engagement of the guide member with the cannula, the at least one lumen is aligned with the at least one slot of the cannula to define a guide passageway through the guide member and cannula. | 02-05-2015 |
20150038800 | DEVICES, SYSTEMS, AND METHODS FOR WOUND CLOSURE - A wound closure system includes a device, a sleeve, and a needle assembly. The device includes a shaft and one or more arms movable relative to the shaft between a retracted position and a deployed position. The sleeve is removably positionable about the shaft and is slidable about the shaft to retain tissue between the distal end of the sleeve and the arms when the arms are in the deployed position. The needle assembly includes a base one or more needles insertable through respective needle lumens of the sleeve. The base defines a central aperture for removably positioning the base about the shaft. The base is slidable relative to the shaft and sleeve between a proximal position, wherein the needles are disposed within respective needle lumens, and a distal position, wherein the needles extend from respective needle lumens towards respective arms. | 02-05-2015 |
20150038989 | DEVICES, SYSTEMS, AND METHODS FOR WOUND CLOSURE - A wound closure device includes a shaft and a tubular member disposed about the shaft. A plurality of arms are coupled to the shaft in a distal region of the shaft. A plunger is slidably disposed within the shaft and coupled to the plurality of arms. The plunger is selectively translatable relative to the shaft for moving the plurality of arms between a retracted position and a deployed position. A plurality of needles is disposed within needle lumens defined within the tubular member. An actuator sleeve is slidably disposed about the tubular member and coupled to the plurality of needles. The actuator sleeve is translatable between an un-actuated position, wherein the distal end of each needle is disposed within its respective needle lumen, and an actuated position, wherein the distal end of each needle extends distally from its respective needle lumen into a respective one of the plurality of arms. | 02-05-2015 |
20150038990 | DEVICES, SYSTEMS, AND METHODS FOR WOUND CLOSURE - A wound closure system includes a suture member and a suture grasper. The suture member includes a suture and a retention member engaged to an end of the suture. The retention member is at least partially flexible and defines a central opening. The suture grasper includes a needle defining a distal portion configured for insertion through the central opening of the retention member to retrieve the retention member from an internal surgical site. The distal portion of the needle defines a distally-facing feature configured to at least partially flex the retention member upon insertion of the distal portion into the central opening to permit passage of the distal portion therethrough and a proximally-facing feature configured to inhibit proximal withdrawal of the distal portion through the central opening of the retention member. | 02-05-2015 |
20150038991 | DEVICES, SYSTEMS, AND METHODS FOR WOUND CLOSURE - A system includes a wound closure device having a shaft, proximal and distal arms coupled to the shaft, and one or more linkages coupling the proximal and distal aims. The arms are pivotable relative to the shaft between a linear position, wherein the arms and shaft are linearly aligned, a first pivoted position, wherein the proximal arm is pivoted in a first direction to pivot the distal arm in a second, opposite direction, and a second pivoted position, wherein the proximal arm is pivoted in the second direction to pivot the distal arm in the first direction. A suture including a first portion disposed about a first surface of the distal arm and a second portion disposed about a second surface of the distal aim is also provided. | 02-05-2015 |
20150038993 | DEVICES, SYSTEMS, AND METHODS FOR WOUND CLOSURE - A suture grasper for retrieving a suture from an internal surgical site includes an inner shaft defining a tissue-penetrating tip, an intermediate shaft disposed about the inner shaft, and an outer shaft disposed about the intermediate shaft. The intermediate shaft defines a plurality of spring fingers movable between a spread position, wherein the spring fingers extend radially outwardly from the inner shaft, and a compressed position, wherein the spring fingers are approximated about the inner shaft. The outer shaft is selectively translatable relative to the inner shaft and the intermediate shaft for moving the spring fingers between the spread position and the compressed position. | 02-05-2015 |
20150038994 | DEVICES, SYSTEMS, AND METHODS FOR PROVIDING SURGICAL ACCESS AND FACILITATING CLOSURE OF SURGICAL ACCESS OPENINGS - A suture passer includes a handle, an elongated sleeve defining a distal end, an inner shaft slidably disposed within the elongated sleeve, and an end effector assembly disposed at a distal end of the inner shaft. The end effector assembly includes first and second arms, at least one which is movable relative to the other between a spaced-apart position and an approximated position for retaining a portion of a suture therebetween. The inner shaft and elongated sleeve are relatively movable between a first condition, wherein the first and second arms are disposed in the approximated position and the distal end of the elongated sleeve is exposed, a second condition, wherein the first and second arms are disposed in the approximated position and the distal end of the elongated sleeve is shielded, and a third condition, wherein the first and second arms are disposed in the spaced-apart position. | 02-05-2015 |
20150038995 | DEVICES, SYSTEMS, AND METHODS FOR WOUND CLOSURE - A wound closure device includes outer and inner members. The inner member is configured for receipt of a suture passer and is pivotably coupled to the outer member. The inner member is pivotable relative to the outer member between a first position, wherein the inner member is coaxially disposed relative to the outer member, a second position, wherein the distal end of the inner member extends outwardly from the outer member in a first direction and the proximal end of the inner member extends outwardly from the outer member in a second, opposite direction, and a third position, wherein the distal end of the inner member extends outwardly from the outer member in the second direction and the proximal end of the inner member extends outwardly from the outer member in the first direction. | 02-05-2015 |
20150038996 | DEVICES, SYSTEMS, AND METHODS FOR PROVIDING SURGICAL ACCESS AND FACILITATING CLOSURE OF SURGICAL ACCESS OPENINGS - A method of surgery includes positioning a cannula within an opening in tissue and inserting a guide member into the cannula. The cannula includes an elongated portion having a base and an elongated tubular member extending distally from the base. The elongated tubular member includes an annular wall defining a longitudinal passageway. At least one slot extends through the annular wall and is disposed in communication with the longitudinal passageway. The guide member includes a guide housing and an elongated guide shaft. The guide member defines at least one lumen extending therethrough. The method further includes releasably engaging the guide housing with the base. Upon engagement of the guide housing with the base, the at least one lumen is aligned with the at least one slot to define a guide passageway through the guide member and cannula. | 02-05-2015 |
20150038997 | DEVICES, SYSTEMS, AND METHODS FOR PROVIDING SURGICAL ACCESS AND FACILITATING CLOSURE OF SURGICAL ACCESS OPENINGS - A guide member configured for guiding a suture passer through a cannula and tissue surrounding the cannula to facilitate closure of an opening in tissue. The guide member includes a guide housing and an elongated guide shaft. The guide housing is configured for releasably engaging the guide member with the cannula and defines an entry aperture. The elongated guide shaft extends distally from the guide housing and defines an annular exterior surface. An exit aperture is defined through the annular exterior surface. The guide member defines a lumen extending from the entry aperture, through the guide housing and the elongated guide shaft, to the exit aperture. The entry aperture, lumen, and exit aperture cooperating to define a passageway extending through the guide member. | 02-05-2015 |
20150039025 | DEVICES, SYSTEMS, AND METHODS FOR WOUND CLOSURE - A wound closure device includes a shaft, a sleeve, a suture, and a cartridge. The sleeve is disposed about the shaft and defines first and second sleeve arms movable between a retracted position, wherein the sleeve arms extend along the shaft, and a deployed position, wherein the sleeve arms extend outwardly from the shaft. The cartridge includes a base and first and second cartridge arms. The base is configured for releasable coupling with the shaft and defining a pocket configured to retain an intermediate portion of the suture. The first and second cartridge arms are configured for positioning adjacent the respective first and second sleeve arms and are configured to move in conjunction with the respective first and second sleeve arms between the retracted and deployed positions. The first and second cartridge arms are configured to retain first and second ends of the suture, respectively. | 02-05-2015 |
20150051590 | Surgical Instrument with Articulating Assembly - A surgical instrument includes a housing having an elongated member assembly extending from the housing. The elongated member has a first portion and a second portion. The second portion is movably coupled to the first portion by a cable that facilitates the relative movement of the first portion and the second portion. | 02-19-2015 |
20150066057 | Surgical Clip Applier - A surgical clip applier is provided including a clip pusher bar having a flexible tab and a camming plate configured to effectuate closure of the pair of jaws. The camming plate includes a lost motion portion and the flexible tab is configured to engage the lost motion portion during an initial movement of the clip pusher bar to cause the camming plate to move with the clip pusher bar. The flexible tab is configured to disengage from the lost motion portion during a subsequent movement of the clip pusher bar to allow the clip pusher bar to move relative to the camming plate. | 03-05-2015 |