Patent application number | Description | Published |
20090242611 | Surgical Stapling Instrument - An end effector for a surgical instrument includes a cartridge assembly housing a plurality of fasteners, an anvil assembly operatively connected to the cartridge assembly, and a transducer operably connected to at least one of the cartridge assembly and the anvil assembly. The anvil assembly and the cartridge assembly are movable between open and closed positions. The transducer is adapted to effect vibrations along at least one of the anvil assembly and the cartridge assembly. The vibrations reduce the friction on the end effector, thereby reducing the force necessary to fire the end effector. | 10-01-2009 |
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 |
20100234806 | PORT FIXATION USING EXPANDABLE THREADS - The present disclosure describes a surgical access apparatus including an access member with a longitudinal opening defining an internal dimension suitable for removable receipt of a surgical instrument. The access member has a thread mounted thereon that is movable between a first condition and a second condition. When the thread is in the first condition, the access member defines a first outer dimension that allows for positioning of the access member within a tissue tract, and when the thread is in the second condition, the access member defines a second, larger outer dimension to facilitate anchoring of the access member within the tissue tract. As the thread moves between the first and second conditions, the internal dimension of the longitudinal opening extending through the access member remains substantially constant. | 09-16-2010 |
20100249810 | SUTURE MANAGEMENT SYSTEM FOR SURGICAL PORTAL APPARATUS INCLUDING SLOTTED RING - A surgical portal apparatus for use in surgical procedures incorporating at least one suture is provided. The surgical portal apparatus includes a portal member defining a longitudinal axis and having a longitudinal opening therethrough for receiving a surgical object, and a suture retaining insert configured to be selectively received in the portal member. The suture retaining insert may include a base and a plurality of spaced projections extending radially outward from the base, the projections being radially spaced whereby adjacent projections define a suture receiving passage adapted to accommodate a suture. | 09-30-2010 |
20100268030 | Self-Steering Endoscopic Device - An endoscopic device including mechanisms to facilitate insertion of the device is disclosed. The device includes a sensing assembly configured for determining the position of the distal end of the device relative to a lumen. The device may further including a steering mechanism configured to direct the distal end of the device. A controller may be operably connected to the sensing assembly and the steering mechanism. The controller may be incorporated into the endoscopic device. Alternately, the controller may be positioned remote of the endoscopic device. | 10-21-2010 |
20100286483 | SURGICAL PORTAL DEVICE - A surgical portal device comprising a body portion and at least one securing member is disclosed. The body portion defines a longitudinal axis and includes a proximal end, a distal end, and a lumen configured to allow a surgical instrument to pass therethrough. The at least one securing member is disposed in mechanical cooperation with the body portion and is radially expandable with respect to the body portion between an initial position and an expanded position. The at least one securing member includes a hydrophilic material and is configured to radially expand in response to contact with moisture. | 11-11-2010 |
20110082476 | Handle Assembly for Endoscopic Suturing Device - A handle assembly for operating an articulatable surgical instrument is provided and includes a housing; an actuation shaft translatably and rotatably supported in the housing; a first trigger supported on the housing and connected to the actuation shaft, the first trigger being configured to translate the actuation shaft to operate a first function of the surgical instrument; a second trigger supported on the housing and connected to the actuation shaft, the second trigger being configured to rotate the actuation shaft to operate a second function of the surgical instrument; and a second-trigger release supported in the housing, the second-trigger release having a first position blocking actuation of the second trigger and a second position permitting actuation of the second trigger, where the second-trigger release is actuated from the first position to the second position upon and complete actuation of the first trigger. | 04-07-2011 |
20110196205 | SURGICAL PORTAL LOCKING SYSTEM - A surgical portal apparatus includes a portal having an elongated portal member and defining a portal passage for reception of a surgical object, and a locking base. The locking base includes a flange segment defining a longitudinal axis and having a longitudinal opening for permitting reciprocal longitudinal passage of the portal member and a locking segment mounted to the flange segment. The flange segment is dimensioned and configured for positioning against body tissue. The locking segment is dimensioned to selectively engage the portal member and establish a secured relation therewith to selectively secure the portal at a predetermined longitudinal position with respect to the longitudinal axis of the locking base. The flange segment of the locking base may include an adhesive coating for adhesive engagement with the body tissue. | 08-11-2011 |
20120215234 | Single Actuating Jaw Flexible Endolumenal Stitching Device - An end effector for use in an endoscopic stitching device includes a fixed jaw, a moveable jaw, a linkage member, needle engaging blades and a rotatable member. The moveable jaw is pivotably associated with the fixed jaw about a first pivot axis. The linkage member is pivotably associated with the moveable jaw about a second pivot axis. The needle engaging blade is slidably supported in each of the fixed and moveable jaws. An axial movement of the linkage member causes the moveable jaw to pivot about the first pivot axis with respect to the fixed jaw, and rotation of the rotatable member causes opposed axial movement of the pair of needle engaging blades. | 08-23-2012 |
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 |
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 |
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 |
20120296169 | Articulating Laparoscopic Surgical Access Instrument - A surgical instrument includes proximal and distal shaft components, an articulation assembly, and an outer sleeve. The shaft components are pivotably coupled to one another. The distal shaft component is articulatable relative to the proximal shaft component between a substantially aligned configuration and an articulated configuration. The articulation assembly includes a rack and a pinion gear engaged with one another. The rack and the pinion gear cooperate to permit incremental articulation of the distal shaft component relative to the proximal shaft component between the substantially aligned and articulated configurations. The outer sleeve is disposed about the proximal shaft component and is manipulatable relative to the proximal shaft component between a first position and a second position for articulating the distal shaft component between the substantially aligned configuration and the articulated configuration. | 11-22-2012 |
20130153637 | Surgical Stapling Instrument Having Transducer Effecting Vibrations - A surgical stapling instrument includes a tool assembly configured to eject staples. The tool assembly has a cartridge assembly and an anvil assembly movable relative to each other. The cartridge assembly and the anvil assembly are configured to move between open and closed positions. The surgical stapling instrument further includes at least one transducer disposed in at least one of the cartridge assembly and the anvil assembly. The transducers are adapted to effect vibrations to enhance stapling. In one embodiment, wires connect the transducers to a power generator. The power generator supplies energy to the transducers. | 06-20-2013 |
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 |
20130178713 | Articulation Control Mechanisms - A surgical access port and method for achieving articulation is disclosed, the surgical access port including a housing, at least one lumen extending through the housing, and an articulation structure. The housing comprises an access member having a proximal end and a distal end, and defines a longitudinal axis. The lumen in the housing extends from the proximal to the distal end of the access member along the longitudinal axis. The articulation structure comprises a first tubular member and a second tubular member, the second tubular member hingably attached to the first tubular member, and an articulation element slidably attached to the first tubular member. | 07-11-2013 |
20130310848 | HANDLE ASSEMBLY FOR ENDOSCOPIC SUTURING DEVICE - A handle assembly for operating an articulatable surgical instrument is provided and includes a housing; an actuation shaft translatably and rotatably supported in the housing; a first trigger supported on the housing and connected to the actuation shaft, the first trigger being configured to translate the actuation shaft to operate a first function of the surgical instrument; a second trigger supported on the housing and connected to the actuation shaft, the second trigger being configured to rotate the actuation shaft to operate a second function of the surgical instrument; and a second-trigger release supported in the housing, the second-trigger release having a first position blocking actuation of the second trigger and a second position permitting actuation of the second trigger, where the second-trigger release is actuated from the first position to the second position upon and complete actuation of the first trigger. | 11-21-2013 |
20130313305 | Surgical Fastener Applying Apparatus Including Replaceable Cartridge Assembly - A surgical fastener applying apparatus includes a cartridge-receiving assembly and a cartridge assembly releasably engagable therewith. The cartridge assembly includes a housing and a knife assembly having a knife translatable from an initial position to a deployed position and a knife guard pivotable between a storage position, wherein the knife guard substantially encloses the knife member, and a use position, wherein the knife member is exposed for translation through the housing. The knife guard engages to the knife member such that translation of the knife member rotates the guard to the use position. | 11-28-2013 |
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 |
20140257370 | Anvil Grasper - A surgical grasping instrument is provided which includes a body portion having an elongate tubular member extending from the body portion and a jaw assembly movably mounted on a distal end of the elongate tubular member. The jaw assembly includes first and second jaws having arcuate grasping portions for securely grasping a circular surgical stapler anvil shaft. The jaw assembly is mounted on a movable head portion which is movable relative to a longitudinal axis of the elongate tubular member to rotate and articulate the jaw assembly relative to the longitudinal axis to manipulate the anvil within the body of a patient. | 09-11-2014 |
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 |
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 |