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With cutting means

Subclass of:

227 - Elongated-member-driving apparatus

227175100 - SURGICAL STAPLER

227176100 - With magazine

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DocumentTitleDate
20130075451Surgical Stapling Device with Adjunct Material Application Feature - A surgical instrument includes a handle portion, a shaft housing a firing bar, an end effector comprising an anvil, a lower jaw, and a stapling and severing assembly responsive to a longitudinal closing motion produced by the handle portion and the shaft. The lower jaw is configured to receive a removable cartridge. The cartridge includes a housing, a plurality of staples disposed in the housing, and a deck disposed over the plurality of staples. The deck defines apertures, with each aperture being substantially disposed over each staple. The cartridge further includes an agent. The firing bar is operable to assist with releasing the agent onto a severed line of tissue when the firing bar is advanced.03-28-2013
20130037600Interlocking Buttress Material Retention System - A surgical stapler is provided having a pair of jaws including a staple containing cartridge and an anvil. Buttress material is releasable affixed to the staple containing cartridge and the anvil. One of the jaws includes a pair of longitudinal projections at a first end of the jaw and configured to frictionally engage corresponding slots in a first end the buttress material. One of the jaws includes a post at a second end of the jaw. The buttress material includes a hole in a second end of the buttress material for receipt of the post.02-14-2013
20100072258Surgical Instrument And Loading Unit For Use Therewith - A surgical instrument is disclosed. The surgical instrument includes a handle assembly, a drive assembly, an endoscopic portion, a pair of jaw members, a dynamic clamping member, and a tissue stop. The drive assembly is disposed in mechanical cooperation with a movable handle of the handle assembly. The endoscopic portion defines a first longitudinal axis. The jaw members are each longitudinally curved with respect to the longitudinal axis. The dynamic clamping member is disposed in mechanical cooperation with a distal portion of the drive assembly and includes an upper beam, a lower beam, and a vertical beam having a cutting edge on a distal portion thereof. At least a portion of the dynamic clamping member is longitudinally curved with respect to the longitudinal axis. The tissue stop is disposed adjacent a distal portion of the first jaw member and configured to impede tissue from distally escaping the jaw members.03-25-2010
20100072256SURGICAL STAPLING INSTRUMENT WITH CUTTING MEMBER ARRANGEMENT - A surgical stapling instrument including a first jaw member, a second jaw member, and a cutting member. In at least one form of the invention, the surgical stapling instrument can further include a housing which can at least partially extend over and/or around the cutting member. In various embodiments, the housing can at least partially cover the cutting member when the first and second jaw members are detached from one another, yet permit the cutting member to be moved relative to the first and second jaw members during use.03-25-2010
20090120994Surgical Fastening Device With Initiator Impregnation of a Matrix or Buttress to Improve Adhesive Application - A material comprising a matrix or a buttress is impregnated with an adhesive initiator and is used with a surgical stapling device and an adhesive. The tissue and material are stapled together, and a knife in the surgical stapling device cuts the tissue and the material. The adhesive is applied across the cut and sets up or polymerizes to seals the cut when the adhesive contacts the adhesive initiator. The surgical stapling device can place the staples in a linear, arcuate, or circular array, and can anastomose luminal tissue. The methods of use can include stapling luminal tissue end to end, stapling two portions of material onto ether side of tissue, and stapling two portions of tissue onto a portion of material. Additionally, a portion of adhesive filed material can be stapled onto one side of portion of tissue and the adhesive initiator impregnated material can be stapled onto the other. Cutting the material and tissue provides a path for the adhesive across the cut, and catalyzes the adhesive from contact with the adhesive initiator.05-14-2009
20100044411TOOL ASSEMBLY FOR SURGICAL STAPLING DEVICE - The present disclosure describes a surgical device with a body portion defining a longitudinal axis, a tool assembly including an anvil, a cartridge assembly housing a plurality of staples, a dynamic clamping member movable relative to the tool assembly to eject the staples, and an articulation and firing actuator extending at least partially through the body portion and the tool assembly. The tool assembly is pivotally attached to the body portion for movement from a position aligned with the longitudinal axis to a position oriented at an angle thereto. The articulation and firing actuator extends at least partially through the body portion and the tool assembly, is operably associated with the dynamic clamping member and the tool assembly, and is movable in relation thereto to selectively pivot the tool assembly relative to the body portion and move the dynamic clamping member relative to the tool assembly to eject the staples.02-25-2010
20130026209Surgical Fastener Applying Apparatus - A surgical stapler is provided. The surgical stapler includes a tubular body portion. A cartridge assembly (cartridge) is disposed at a distal end of the tubular body portion and defines a longitudinal axis therethrough. The cartridge includes a distal face having a stepped configuration defined by outer and inner steps arranged in descending order from the outer step to the inner step. An anvil member is disposed at the distal end of the tubular body portion and is positioned opposite the cartridge. The anvil member includes a proximal face having a stepped configuration defined by outer and inner steps arranged in descending order from the outer step to the inner step. The steps defined in the proximal face of the anvil member having a respective annular array of staple forming buckets disposed thereon to clinch the staples in tissue upon expulsion of the staples from the cartridge.01-31-2013
20090302093ATTACHABLE CLAMP FOR SURGICAL STAPLER - A surgical fastener applying instrument including a handle portion, an elongated portion, a pair of jaw members and a removable clamp. One of the jaw members contains a plurality of fasteners arranged in at least one row substantially transverse to a longitudinal axis of the elongated portion. 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 removable clamp has an elongated member and a tissue clamping surface extending substantially transverse to a longitudinal axis of the elongated member. The clamp is movable from a proximal position to a distal position for engaging body tissue and is releasably mountable to the elongated portion of the instrument.12-10-2009
20090302092SURGICAL STAPLING INSTRUMENT WITH INDEPENDENT SEQUENTIAL FIRING - An end effector for a surgical fastener applying instrument including a first jaw member and a second jaw member. The second jaw member includes first and second cartridges each containing a plurality of surgical fasteners, wherein each of the first and second cartridges is configured to move independently with respect to the first jaw member between a proximal position and a distal12-10-2009
20090302091Knife/firing rod connection for surgical instrument - A surgical instrument including a frame, an elongate portion, a firing rod and an end effector is disclosed. The elongate portion extends distally from the frame and defines a longitudinal axis. The firing rod is disposed at least partially with the elongate portion and is proximally and distally translatable with respect to the elongate portion. The end effector includes a knife and is disposed at a distal portion of the elongate portion. Distal movement of the firing rod causes a distal end of the firing rod to link with the knife. Proximal movement of the firing rod moves the linked knife proximally to a first predetermined position. The knife is unlinked from the firing rod when the firing rod has been translated proximally to a second predetermined position.12-10-2009
20090302090Knife Lockout Mechanisms For Surgical Instrument - A cartridge assembly for use with a surgical stapling instrument is disclosed. The cartridge assembly includes a channel, a cover, a staple cartridge and a knife. The channel includes a protrusion thereon. The cover is configured for mechanical engagement with the channel and includes a blocking member and a surface defining a plane. At least a portion of the blocking member is configured to move away from the plane upon contact with the protrusion. The staple cartridge is configured for mechanical engagement with the cover. The blocking member is configured to substantially prevent distal translation of the knife after the knife has been translated proximally past a predetermined position.12-10-2009
20120217284Locking Mechanism For Use With Loading Units - A loading unit configured for engagement with a surgical instrument having a firing rod is disclosed. The loading unit comprises a proximal body portion, a tool assembly, and a knife assembly. The tool assembly is disposed in mechanical cooperation with the proximal body portion. The knife assembly is movably disposed at least partially within the proximal body portion and includes a proximal end positioned to engage the firing rod, and includes a first arm and a second arm. The first arm is biased towards the longitudinal axis via a biasing force. The biasing force is selected to allow the first arm to deflect when the firing rod is advanced. The first arm and the second arm of the knife assembly are configured to engage a firing rod of a surgical instrument as the surgical instrument is being actuated.08-30-2012
20090266868SURGICAL STAPLING DEVICE - A surgical stapling device for sequentially applying a plurality of fasteners to body tissue and simultaneously incising tissue is provided. The surgical stapling device is adapted to receive disposable loading units having staples in linear rows whose length can be between about 30 mm and 60 mm. The disposable loading unit includes a proximal body portion, a mounting assembly and a tool assembly. The mounting assembly is secured to the proximal end of the tool assembly and pivotally mounted about a pivot axis to the distal end of the proximal body portion. A support member or blow-out plate assembly is positioned on opposite sides of the pivot avis and extends between the proximal body portion and the mounting assembly. An axial drive assembly is slidably positioned between the support members and is translatable through the cartridge assembly to eject staples from the cartridge assembly. The support members prevent outward buckling of the axial drive assembly during actuation of the device especially when the tool assembly is articulated. Preferably, a protrusion is provided in the proximal body portion of the disposable loading unit at a position to frictionally engage an articulation link. Engagement between the protrusion and the articulation link retains the articulation link at a fixed position within the proximal body portion to maintain the tool assembly in a desired orientation until a predetermined axial force is applied to the articulation link. The disposable loading unit also preferably includes a locking member which is operably connected to the axial drive assembly. The locking member provides an audible and/or tactile indication that the device has been actuated.10-29-2009
20090236401ENDOSCOPIC STAPLING DEVICES AND METHODS - Described herein are endoscopic staplers used to apply one or more fasteners to body tissue. In one embodiment, a fastener-applying device, which is preferably a stapler, is passed transorally into the stomach and used to plicate stomach tissue by engaging tissue from inside of the stomach and drawing it inwardly. In the disclosed embodiments, the tissue is drawn inwardly into a vacuum chamber, causing sections of serosal tissue on the exterior of the stomach to be positioned facing one another. The disclosed staplers allow the opposed sections of tissue to be moved into contact with one another, and preferably deliver staples for maintaining contact between the tissue sections at least until serosal bonds form between them. Each of these steps may be performed wholly from the inside of the stomach and thus can eliminate the need for any surgical or laparoscopic intervention. After one or more plications are formed, medical devices may optionally be coupled to the plication(s) for retention within the stomach.09-24-2009
20090236400ENDOSCOPIC STAPLING DEVICES AND METHODS - Described herein are endoscopic staplers used to apply one or more fasteners to body tissue. In one embodiment, a fastener-applying device, which is preferably a stapler, is passed transorally into the stomach and used to plicate stomach tissue by engaging tissue from inside of the stomach and drawing it inwardly. In the disclosed embodiments, the tissue is drawn inwardly into a vacuum chamber, causing sections of serosal tissue on the exterior of the stomach to be positioned facing one another. The disclosed staplers allow the opposed sections of tissue to be moved into contact with one another, and preferably deliver staples for maintaining contact between the tissue sections at least until serosal bonds form between them. Each of these steps may be performed wholly from the inside of the stomach and thus can eliminate the need for any surgical or laparoscopic intervention. After one or more plications are formed, medical devices may optionally be coupled to the plication(s) for retention within the stomach.09-24-2009
20090236399Surigical stapling instrument - A surgical stapling instrument (09-24-2009
20130068820FIBRIN PAD MATRIX WITH SUSPENDED HEAT ACTIVATED BEADS OF ADHESIVE - A surgical instrument includes a handle portion, a shaft housing a firing bar, an end effector comprising an anvil, a lower jaw, and a stapling and severing assembly responsive to a longitudinal closing motion produced by the handle portion and the shaft. The lower jaw is configured to receive a cartridge when in an open position. The cartridge includes a housing, a plurality of staples disposed in the housing, and a deck disposed over the plurality of staples. The deck defines apertures, with each aperture being substantially disposed over each staple. The cartridge further receives a matrix including glue beads suspended in the matrix. The staples are driven through the matrix to secure the matrix to tissue. The glue beads are activated when the matrix is secured to the tissue, such that the activated adhesive further secures the staple line in the tissue.03-21-2013
20130068821SURGICAL INSTRUMENT WITH STAPLE REINFORCEMENT CLIP - An apparatus comprises a surgical instrument having a cutter and a stapler. The cutter is operable to sever a portion of tissue. The apparatus further comprises a plurality of staples where the stapler is operable to introduce the plurality of staples into tissue to form a staple line. The apparatus further comprises a reinforcement clip. The reinforcement clip is operable to be in selective communication with the staple line. The reinforcement clip comprises a crown, a leg portion, and a teeth portion. In some versions, the leg portion has a width operable to cover the area defined by the staple line. In some versions, the teeth portion is configured to anchor into tissue.03-21-2013
20120234900SURGICAL STAPLE CARTRIDGES WITH TISSUE TETHERS FOR MANIPULATING DIVIDED TISSUE AND METHODS OF USING SAME - Surgical staple cartridges and methods for manipulating the severed ends of divided tissue. In various forms, the staple cartridge has at least one base material temporarily supported thereon that is oriented to be stapled to a corresponding end of the divided tissue. At least one elongated tether is non-removably affixed to each piece of base material. Once the base material is stapled to the corresponding piece of divided tissue, the clinician may manipulate that pieced of divided tissue by applying manipulation motions to the tether. Corresponding grooves or pockets may be provided on the cartridge body for temporarily supporting the tethers therein.09-20-2012
20120234899SURGICAL FASTENER INSTRUMENTS - Surgical instruments and cartridges for cutting and fastening tissues and organs such as vessels are disclosed. In various non-limiting forms, the surgical instrument includes a first jaw that operably supports a substantially flexible elongated tissue closure assembly therein. A second jaw is movably supported relative to the first jaw and is selectively movable between open and closed positions in response to opening and closing motions applied thereto. A closure retraction assembly is configured to selectively apply cinching motions to the substantially flexible elongated tissue closure assembly.09-20-2012
20080296347Surgical instrument having a directional switching mechanism - A surgical instrument including a switching mechanism which allows a surgeon to selectively advance or retract a staple driver and/or cutting member within a staple cartridge. In various embodiments, the surgical instrument can include a handle, a trigger operatively coupled to the handle, a firing drive, and an end effector. The firing drive can include a first ratchet assembly configured to advance a cutting member in the end effector and a second ratchet assembly configured to retract the cutting member. The trigger can include first and second pawls pivotably mounted thereon which are configured to be selectively engaged with the first and second ratchet assemblies, respectively. In at least one embodiment, the trigger can be configured to slide between a first position in which the first pawl is engaged with the first ratchet assembly and a second position in which the second pawl is engaged with the second ratchet assembly.12-04-2008
20110278346Methods and Apparatus for Delivering Tissue Treatment Compositions to Stapled Tissue - A surgical stapler includes first and second tissue clamping members and a reservoir configured to hold a tissue treatment composition. The first tissue clamping member is configured to receive a plurality of staples. The second tissue clamping member comprises an anvil configured to form the staples. The reservoir may be provided in a handle portion of the surgical stapler, and a fluid conduit may be used to communicate the tissue treatment composition from the reservoir. An end effector lumen may selectively communicate with the fluid conduit. The lumen may also be in communication with openings to further communicate the tissue treatment composition to tissue or to a scaffold material positioned adjacent to tissue. A reservoir may alternatively be provided in one of the clamping members. A knife member may pierce a housing defining the reservoir, and a resilient member may then urge a tissue treatment composition from the housing.11-17-2011
20100252612SURGICAL STAPLING APPARATUS HAVING A WOUND CLOSURE MATERIAL APPLICATOR ASSEMBLY - This disclosure relates to surgical stapling apparatus for enhancing one or more properties of body tissue that is or is to be repaired or joined. The apparatus includes a staple anvil, a staple cartridge, a driving member for driving the surgical staples from individual staple slots in the staple cartridge and against the staple anvil, and a wound closure material applicator assembly. The applicator assembly includes at least one conduit extending along at least a length of the driving member, anvil and/or cartridge and at least one reservoir in fluid communication with the at least one conduit, the reservoir containing a wound closure material therein. The staples can be coated with a wound to closure material.10-07-2010
20100089973SURGICAL 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
20110290858SURGICAL CUTTING AND STAPLING DEVICE - The present invention, in accordance with various embodiments thereof, relates to a surgical device for at least one of cutting and stapling a section of tissue. The surgical device includes a housing including at least two drivers. The surgical device also includes an anvil mechanically attachable to the housing and moveable relative to the housing between an open position and a closed position. The first driver operates to move the anvil relative to the housing to an intermediate position between the open position and the closed position. The second driver operates to move at least a portion of the housing relative to the anvil between the intermediate position and the closed position.12-01-2011
20110290857MOTOR-DRIVEN SURGICAL CUTTING AND FASTENING INSTRUMENT WITH TACTILE POSITION FEEDBACK - A surgical cutting and fastening instrument is disclosed. According to various embodiments, the instrument includes an end effector comprising an elongate channel, a clamping member pivotably connected to the channel, and a moveable cutting instrument for traversing the channel to cut an object clamped in the end effector by the clamping member when the clamping member is in a clamped position. The instrument may also comprise a main drive shaft assembly for actuating the cutting instrument in the end effector, a gear drive train connected to the main drive shaft assembly, and a motor for actuating the gear drive train. The instrument may also includes a closure trigger and a firing trigger, separate from the closure trigger, for actuating the motor when the firing trigger is retracted. Also, the instrument may comprise a mechanical closure system connected to the closure trigger and to the clamping member for causing the clamping member to pivot to the clamped position when the closure trigger is retracted.12-01-2011
20110290856ROBOTICALLY-CONTROLLED SURGICAL INSTRUMENT WITH FORCE-FEEDBACK CAPABILITIES - A surgical instrument. Various embodiments of the surgical instrument include an end effector that has a moveable cutting implement. A main drive shaft assembly operably interfaces with the end effector for transmitting an actuation motion to the movable cutting implement therein. A gear drive train is connected to the main drive shaft assembly. The gear drive train is actuated by a motor that is configured to receive control signals from a robotic system. Various embodiments include a sensor arrangement that operably interfaces the end effector to communicate forces experienced by the end effector to the robotic system.12-01-2011
20110290855ROBOTICALLY-CONTROLLED DISPOSABLE MOTOR-DRIVEN LOADING UNIT - A self contained motor-powered disposable loading unit for use with a robotic system configured to generate control systems therefor. The disposable loading unit may contain a battery that is retained in a disconnected position when the disposable loading unit is not in use and is moved to a connected position when the disposable loading unit is coupled to the robotic system to permit the motor to be selectively powered thereby. Indicators may be supported on the disposable loading unit to indicate when the axial drive assembly thereof is in a starting position and an ending position. Another indicator may be provided to indicate when the anvil assembly is in a closed position.12-01-2011
20120024936LINEAR CUTTING AND STAPLING DEVICE WITH SELECTIVELY DISENGAGEABLE CUTTING MEMBER - A surgical stapling instrument including a selectively actuatable cutting member. The stapling instrument may be used as a surgical stapler without cutting tissue or, if desired, the surgeon may selectively actuate the cutting member to cut tissue as the staples are being deployed and formed. A stapling instrument can include an actuator knob that has at least one pusher bar attached thereto. Advancement of the actuator knob in a distal direction causes the pusher bars to apply a firing motion to the staples contained within a staple cartridge supported within the stapling instrument. A knife bar may be selectively coupleable to the actuator knob by a selector switch that is movable from an actuated position wherein movement of the actuator knob in the distal direction advances the knife bar which has a cutting blade portion to advance between rows of staples in the staple cartridge to an unactuated position wherein movement of the actuator knob advances the pusher bars without advancing the knife bar.02-02-2012
20120024935TISSUE ACQUISITION ARRANGEMENTS AND METHODS FOR SURGICAL STAPLING DEVICES - A surgical instrument that includes an elongated shaft that defines defining a central axis. The elongated shaft may have a distal end portion that is configured to operably support a circular staple cartridge therein. A tissue acquisition shaft may be axially movable within the elongated shaft such that a distal end portion of the tissue acquisition shaft may be distally advanced beyond the distal end portion of the elongated shaft. At least one tissue acquisition member may be pivotally attached to the distal end portion of the tissue acquisition shaft such that at least one tissue acquisition member is selectively pivotable about a corresponding acquisition axis that is substantially parallel to the central axis from a retracted position to deployed positions upon application of a deployment motion thereto. Various embodiments include an annular cutting member that is supported by the distal end of the elongated shaft for selective axial travel relative thereto.02-02-2012
20120024934TRANSWALL VISUALIZATION ARRANGEMENTS AND METHODS FOR SURGICAL CIRCULAR STAPLERS - A surgical instrument is disclosed. Various embodiments include an elongated shaft that defines a central axis and has a distal end portion that is configured to operably support a circular staple cartridge therein. At least one detection member may be operably supported within the elongated shaft. Each detection member may have a distal portion that is radially deployable away from the central axis upon application of a deployment motion thereto. The distal end portions may have a bumper or light mounted thereto.02-02-2012
20130181035Circular Stapling Instruments - A circular stapling instrument including a stapling forming assembly that is actuated independently from actuation of the cutting assembly is provided. The instrument includes a handle assembly, an elongate body extending from the handle assembly, a cartridge assembly mounted on a distal end of the elongate body. The cartridge assembly includes a pusher assembly and a knife assembly. The knife assembly is selectively fixed relative to the pusher assembly.07-18-2013
20090308909PARTIALLY REUSABLE SURGICAL STAPLER - In accordance with the present invention, there is provided a method for performing a surgical stapling procedure by providing a stapler comprising a handle and a staple cartridge with an opposing anvil. The staple cartridge contains a plurality of surgical staples. The stapler also has an actuator module for deploying staples, wherein the actator has a longitudinally movable member for sequentially ejecting staples towards the anvil. The method involves operating the actuator module so as to eject the plurality of staples, and removing the actuator module from the body and discarding the actuator module. The method also involves sterilizing the body.12-17-2009
20130098969Surgical 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
20130098970Surgical Apparatus and Method for Endoluminal 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
20090289096SURGICAL INSTRUMENT WITH AUTOMATICALLY RECONFIGURABLE ARTICULATING END EFFECTOR - A surgical instrument, such as a surgical cutting and fastening instrument, with an automatically articulatable end effector. The surgical instrument may comprise an end effector, a shaft, and an articulatable joint assembly connected between the end effector and the shaft. The joint assembly comprises at least one motor for articulating the end effector relative to the shaft. The joint assembly comprises at least one articulation sensor for sensing articulation of the end effector relative to the shaft. The instrument further comprises a control unit in communication with the articulation sensor and the motor. The control unit comprises at least one memory unit for storing articulation data from the at least one articulation sensor. When activated, the control unit sends control signals to the motor of the joint assembly to articulate automatically the end effector to a desired position based on the articulation data from the articulation sensor that is stored in the memory unit of the control unit.11-26-2009
20090272787Surgical Instrument Having a Plastic Surface - A surgical instrument including a handle portion, a body portion, a movable handle, a tool assembly, a drive beam and a closure apparatus is disclosed. At least one of the closure apparatus and a contact surface of the tool assembly include a plastic surface. The body portion extends distally from the handle portion. The movable handle is located on the handle portion and is in mechanical cooperation with a drive member. The tool assembly includes an anvil, a cartridge assembly and a contact surface. The drive beam includes a proximal engagement portion and is configured to engage a portion of the drive member. The closure apparatus is configured to engage the contact surface of the tool assembly. At least a partial actuation of the movable handle moves the closure apparatus distally into engagement with the contact surface to approximate the anvil and the cartridge assembly.11-05-2009
20090008425Angled surgical fastener apparatus - A surgical fastening apparatus includes a handle, an elongated member extending distally from the handle and a fastener applier and anvil head disposed at the distal end of the elongated member. The elongated member defines a distal offset end portion upon which the fastener applier and the anvil head are mounted. The offset end portion is angularly oriented with respect to the axis of the instrument at a predetermined fixed angle (e.g., either 45°, 60° and 75° relative to the axis of the instrument) thereby positioning the fastener applier and the anvil head at the fixed angle This feature facilitates positioning of the tissue with respect to the instrument and enhances visual access to the tissue when appropriately disposed within the fastener applier and the anvil head. Various mechanisms for effectuating the clamping of the tissue between the fastener holder and anvil, and the firing of the instrument are disclosed.01-08-2009
20110198385SURGICAL DEVICE HAVING MULTIPLE DRIVERS - A surgical device is provided, the surgical device including a first driver for performing a first movement function; a second driver for performing a second movement function; a first rotatable drive shaft configured, upon actuation, to cause selective engagement of one of the first and second drivers with a second rotatable drive shaft, wherein the second rotatable drive shaft is configured to drive the selectively engaged one of the first and second drivers. Third and fourth drivers may also be included. The drivers may function to rotate a shaft portion of the surgical device relative to, and about the longitudinal axis of, a handle; move a jaw portion relative to the shaft portion; move a first jaw relative to a second jaw; and/or move a surgical member within the second jaw.08-18-2011
20110024481Annular Adhesive Structure - An apparatus for forming an anastomosis between adjacent intestinal sections of tissue is provided. The apparatus includes a circular surgical stapler having an anvil assembly with an anvil shaft and an anvil, the circular surgical stapler further having a tubular body portion with an annular knife and a body portion shaft selectively attachable to the anvil shaft; and a seal structure for deposition between the intestinal sections of tissue including a hub configured to engage attachment structure on at least one of the anvil shaft and the body portion shaft. The attachment structure is positioned so that the seal structure is located between the intestinal sections of tissue when the circular surgical stapler is disposed within the intestinal sections of tissue.02-03-2011
20110204120Laproscopic Stapler - A surgical stapling and cutting method comprises: inserting tissue between jaws of a stapler/cutter end effector; closing the jaws; progressively ejecting staples from a first jaw, the progression being from an open distal end of the end effector toward a proximal end of the end effector; and drawing a blade through the tissue in a direction from the distal end toward the proximal end. Apparatus may be provided for performing the method.08-25-2011
20080237298Surgical stapling and cutting instrument with manually retractable firing member - A surgical stapling and severing instrument particularly suited to endoscopic procedures incorporates a handle that produces separate closing and firing motions to actuate an end effector. In particular, the handle produces multiple firing strokes in order to reduce the required amount of force required to fire (i.e., staple and sever) the end effector. A linked transmission reduces the required handle longitudinal length, yet achieves a rigid, strong configuration when straightened for firing. A traction biased firing mechanism avoids binding in driving this straightened linked rack. The instrument further has a manually actuatable retraction system that does not require the use of additional springs or other mechanisms to generate retraction forces which must be overcome when generating the forces necessary to fire the device. In various embodiments, the retraction system provides a visual indication to the surgeon as to how far firing has progressed.10-02-2008
20080265001Surgical Stapling Apparatus - An endoscopic surgical apparatus is provided for placing lateral lines of surgical fasteners into body tissue. The apparatus includes a frame portion, an elongated portion extending from the frame portion, and an articulating fastener applying assembly associated with a distal end of the elongated portion. The fastener applying assembly includes a base portion, a staple cartridge housing, and an anvil member which has a forming surface thereon against which surgical fasteners are driven as they are ejected from the cartridge housing. A first mechanism is provided for effectuating the rotation of the fastener applying assembly about an axis defined by the body portion, a second mechanism is provided for effectuating the articulation of the fastener applying assembly, and a third mechanism is provided for independently rotating the cartridge housing and anvil member relative to a longitudinal axis defined by the base position to increase the range of operability of the apparatus.10-30-2008
20080283576Surgical fastening device with cutter - Embodiments include a surgical device and a method. An embodiment of the surgical fastening device includes at least one grasping jaw, the at least one grasping jaw being adapted to deliver surgical fasteners by a force generated from a force generator mechanism that is contained within the at least one grasping jaw or is in a proximity to the at least one grasping jaw. Another embodiment includes at least one grasping jaw, at least one actuation mechanism adapted to deliver surgical fasteners, the actuation mechanism being located in a proximity to or contained within the at least one grasping jaw, the surgical fasteners containing at least one shape-transforming material, at least one sensor, at least one chemical tissue sealant and at least one cutter. A method includes: grasping a body tissue with at least one grasping jaw, adjusting a configuration of the grasping in response to a signal or a datum or an image, and releasing a surgical staple/fastener in response to the signal, datum or image.11-20-2008
20090026245Surgical Stapling Instruments including a Cartridge Having Multiple Staples Sizes - A surgical stapling apparatus includes a staple cartridge and an anvil member. The staple cartridge includes a plurality of surgical fasteners disposed in rows of retention slots. The staple cartridge may have an annular or linear configuration of retention slots. The tissue contacting surface of the staple cartridge may be tapered or stepped. The anvil member has a tissue contacting surface that includes a number of pockets arranged for substantially aligning with the retention slots. In addition, the tissue contacting surface of the anvil member may complement the tissue contacting surface of the staple cartridge.01-29-2009
20100200641Surgical Stapling Instruments including a Cartridge Having Multiple Staples Sizes - A surgical stapling apparatus includes a staple cartridge and an anvil member. The staple cartridge includes a plurality of surgical fasteners disposed in rows of retention slots. The staple cartridge may have an annular or linear configuration of retention slots. The tissue contacting surface of the staple cartridge may be tapered or stepped. The anvil member has a tissue contacting surface that includes a number of pockets arranged for substantially aligning with the retention slots. In addition, the tissue contacting surface of the anvil member may complement the tissue contacting surface of the staple cartridge.08-12-2010
20090242610DISPOSABLE LOADING UNIT AND SURGICAL INSTRUMENTS INCLUDING SAME - A disposable loading unit. The disposable loading unit includes a housing assembly, a knife assembly connected to the housing assembly, and an agent cartridge connected to the housing assembly. The agent cartridge houses a medical agent. The disposable loading unit is configured to deliver the medical agent proximate a cutting surface of the knife assembly.10-01-2009
20090242611Surgical 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
20090261145Electrosurgical Stapling Apparatus - An electrosurgical stapling apparatus is provided which uses thermogenic energy as well as surgical fasteners or staples for strengthening tissue, providing hemostasis, tissue joining or welding. The thermogenic energy also strengthens tissue in proximity to a staple line and knife cut line and provides hemostasis along the staple and cut lines formed by the staples and a knife blade during surgical stapling. The use of thermogenic energy provides short-term hemostasis and sealing, and reduces or prevents staple line and cut line bleeding, while the stapling features provide short and long-term tissue strength and hemostasis. The stapling apparatus further substantially reduces or prevents knife cut line bleeding by energizing a knife blade for cauterizing tissue while it is being cut. In one embodiment, energy is applied to the anvil to energize the staples as they make contact with the anvil.10-22-2009
20090255978VARIABLE COMPRESSION SURGICAL FASTENER CARTRIDGE - A surgical fastener applying apparatus having a first jaw and a second jaw. The first jaw includes a cartridge body having plurality of surgical fasteners disposed therein. The plurality of surgical fasteners include a plurality of first surgical fasteners having a first backspan with a first configuration, and a plurality of second surgical fasteners having a second backspan with a second, different configuration such that the plurality of first surgical fasteners apply a first compressive force to tissue upon formation and the plurality of second surgical fasteners apply a second, different compressive force to tissue upon formation.10-15-2009
20120228360SURGICAL INSTRUMENT BUTTRESS ATTACHMENT - A surgical stapler instrument has surgical stapler jaws, at least one staple line reinforcement material, and a fastener including a hook and a loop. The hook can be disposed on one of the surgical stapler jaws and the loop can be disposed on the staple line reinforcement material. Alternatively, the hook can be disposed on the staple line reinforcement material and the look on one of the surgical stapler jaws.09-13-2012
20100181364SURGICAL STAPLING INSTRUMENT HAVING A MEDICAL SUBSTANCE DISPENSER - In various embodiments, an assembly of a surgical instrument is disclosed. The assembly includes a housing, a cutting member relatively movable with respect to the housing, and an agent cartridge connected to the housing. The agent cartridge houses a medical agent. The assembly is configured to deliver the medical agent proximate a cutting surface of the cutting member.07-22-2010
20090078739Materials Delivery System for Stapling Device - There is disclosed a materials delivery system for use with a surgical stapling instrument having at least one jaw including a knife slot. The materials delivery system includes a series of treatment material receiving pockets positioned adjacent the knife slot such that a portion of each pocket is open to the knife slot. A source of treatment material is positioned within the pockets such that passage of the knife blade adjacent to the pockets repeatedly coats the knife blade with the treatment material.03-26-2009
20100187286Surgical Stapling Head Assembly with a Rotary Cutter - http://www.wipo/int/pctdb/images/PCT-IMAGES/31122008/CN2008001226_31122008_gz_en.×4-b.jpg07-29-2010
20090314821Tool Assembly For A Surgical Stapling Device - A surgical stapling device including an independently rotatable tool assembly is disclosed. The tool assembly includes an anvil and a cartridge assembly which are movable in relation to each other between spaced and approximated positions.12-24-2009
20100213239STAPLER FOR MUCOSECTOMY - The head of a stapler for mucosectomy comprises an external goblet-shaped body (08-26-2010
20100213241STAPLE CARTRIDGE - A surgical stapling instrument and, in addition, a staple cartridge comprising a cutting member positioned therein. The staple cartridge can comprise alignment features configured to align the cutting member of the staple cartridge with a distal end of a drive bar when the staple cartridge is assembled to the surgical stapling instrument.08-26-2010
20100276471ELECTROMECHANICAL DRIVER AND REMOTE SURGICAL INSTRUMENT ATTACHMENT HAVING COMPUTER ASSISTED CONTROL CAPABILITIES - A medical tool comprising an electromechanical driver and a surgical instrument attachment for use in invasive surgery, including a handle coupled to a flexible sheath which is in turn coupled to a surgical attachment. The handle of the driver includes the electromechanical driver and at least one processor element which controls the actions of the electromechanical driver, and therefore the application elements of the surgical attachment, based on information relayed between the processor element and remotely activateable sensor assemblies in the surgical instrument attachment.11-04-2010
20100213240SURGICAL 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
20100252611Surgical Device and Method - A surgical device for cutting a portion of a body comprising a knife capable of moving from a first position to a second position which is spaced apart from the first position; a smart memory material (SMM) capable of going from one physical state to another physical state; and an activating apparatus which is in communication with the smart memory material and which can cause the change in the physical state of the smart memory material, which change in state causes the movement of the knife thereby facilitating cutting of the desired body portion.10-07-2010
20100237132CIRCULAR SURGICAL STAPLING INSTRUMENT WITH ANVIL LOCKING SYSTEM - Circular stapling instruments for cutting and applying one or more surgical staples to tissue are disclosed. The instruments include various forms of anvil locking systems designed to selectively prevent the anvil from moving axially relative to the stapling head of the stapling instrument. One embodiment employs an elongated gear rack that is selectively engagable with locking gears to prevent axial motion of the elongated gear rack and an adjustment shaft used to axially position the anvil. Other embodiments employ a gear assembly that cooperates with the elongated gear rack. A locking member is movably supported by a handle assembly that houses the gear assembly and elongated gear rack. The locking member is configured for selective meshing engagement with the gear assembly to ultimately prevent axial movement of the gear rack and adjustment shaft.09-23-2010
20100089974POWERED ARTICULATABLE SURGICAL CUTTING AND FASTENING INSTRUMENT WITH FLEXIBLE DRIVE MEMBER - A surgical cutting and fastening instrument is disclosed. According to various embodiments, the instrument may include a handle assembly that has an elongate shaft attached thereto. An end effector that is configured to support a staple cartridge may be pivotally coupled to the elongate shaft. The handle assembly may support a generator of rotary motion that interfaces with a rotary drive system that may include a flexible drive shaft. The flexible drive shaft may be configured to impart a driving motion to a knife supporting assembly supported within the end effector. Such arrangement enables the end effector to be fired while being articulated relative to the elongate shaft.04-15-2010
20090321496Surgical Stapling Instruments Including A Cartridge Having Multiple Staple Sizes - A surgical stapling apparatus includes a staple cartridge and an anvil member. The staple cartridge includes a plurality of surgical fasteners disposed in rows of retention slots. The staple cartridge may have an annular or linear configuration of retention slots. The tissue contacting surface of the staple cartridge may be tapered or stepped. The anvil member has a tissue contacting surface that includes a number of pockets arranged for substantially aligning with the retention slots. In addition, the tissue contacting surface of the anvil member may complement the tissue contacting surface of the staple cartridge.12-31-2009
20100230468Surgical Stapling Apparatus Having a Wound Closure Material Applicator Assembly - A surgical stapling apparatus includes a staple anvil and a staple cartridge having a working surface, one or more rows of individual staple slots formed in the working surface, a knife track formed along a length of the working surface, and a plurality of surgical staples individually disposed within the individual staple slots. The apparatus further includes an actuation sled having a knife and being configured and adapted to movably position the knife axially within the knife track. The apparatus also includes a wound closure material applicator assembly having a needle secured to the knife to dispense a quantity of wound closure material along a length of the knife track as the actuation sled and knife are moved therealong.09-16-2010
20090242612Method and Device for Full Thickness Resectioning of an Organ - Described is a full-thickness resection system which includes a control unit coupled to a proximal end of a flexible endoscope. The control unit remains outside of a body when the stapling head is in an operative position within a body lumen. The control unit includes (i) an anvil actuator coupled to an anvil in the stapling head, actuation of the anvil actuator moves the anvil axially relative to a stapling mechanism in the stapling head to compress a folded full-thickness portion of lumenal tissue between the anvil and the stapling mechanism. In addition, the control unit includes (ii) a stapler actuator coupled to the stapling mechanism in the stapling head, actuation of the stapler actuator causing the stapling mechanism to drive staples through the folded lumenal tissue against the anvil. Also, the control unit includes (iii) a tissue cutter actuator coupled to a tissue cutter in the stapling head, actuation of the tissue cutter actuator causing the tissue cutter to resect portions of the folded lumenal tissue.10-01-2009
20110108605Locking Mechanism For Use With Loading Units - A loading unit configured for engagement with a surgical instrument having a firing rod is disclosed. The loading unit comprises a proximal body portion, a tool assembly, and a knife assembly. The tool assembly is disposed in mechanical cooperation with the proximal body portion. The knife assembly is movably disposed at least partially within the proximal body portion and includes a proximal end positioned to engage the firing rod, and includes a first arm and a second arm. The first arm is biased towards the longitudinal axis via a biasing force. The biasing force is selected to allow the first arm to deflect when the firing rod is advanced. The first arm and the second arm of the knife assembly are configured to engage a firing rod of a surgical instrument as the surgical instrument is being actuated.05-12-2011
20110108606EXPANDING PARALLEL JAW DEVICE FOR USE WITH AN ELECTROMECHANICAL DRIVER DEVICE - A cutting and stapling device for use as an attachment to an electromechanical device driver comprises an upper jaw and a lower jaw which separate and close against one another in a continuously parallel alignment. The upper jaw includes a series of staple guides corresponding to one or more staples in a removable staple tray disposed within a lower jaw, whereby a blade and wedge having a threaded bore travel upon a matching threaded shaft in a channel disposed in the lower jaw below the staple tray, such that rotation of the threaded shaft causes movement of the wedge through the channel while a sloped surface of the wedge contacts the staples to push the staples against the staples guides, closing the staples.05-12-2011
20110114701Pouch Used To Deliver Medication When Ruptured - An anvil assembly for a circular stapling device includes an anvil head configured to support an anvil plate thereon, a shaft extending from the anvil head and configured to selectively engage a rod member of the circular stapling device, an anvil plate operatively connected to the anvil head, wherein the anvil plate includes an inner diametral edge, and wherein the anvil plate defines a plurality of staple forming pockets therein at a location radially outward of the inner diametral edge, a recess formed in the anvil head, wherein the recess is defined by the inner diametral edge of the anvil plate and a rear surface of the anvil head, and a wound treatment material disposed substantially within the recess.05-19-2011
20110240714SURGICAL DEVICE HAVING A ROTATABLE JAW PORTION - A surgical device is provided that includes a jaw portion, having a first jaw in opposed correspondence with a second jaw, the second jaw including a surgical member. The surgical device may include a shaft portion coupled to a proximal end of the jaw portion and at least one motor configured to rotate the jaw portion relative to the shaft portion, to move the jaw portion relative to the shaft portion, move the first jaw relative to the second jaw and move the surgical member within the second jaw. The surgical member may be prevented from moving within the second jaw unless the first jaw is in a closed position relative to the second jaw. Advantageously, the surgical member may be, e.g., a cutting element and/or a stapling element, disposed within one of the jaws.10-06-2011
20100038403SURGICAL INSTRUMENT AND ACTUATING MOVEMENT TRANSMITTING DEVICE THEREFORE - A surgical instrument, such as a surgical stapling instrument (02-18-2010
20110174864ENDOSCOPIC STAPLING DEVICES AND METHODS - Described herein are endoscopic staplers and methods used to apply one or more fasteners to body tissue. In one embodiment, a fastener-applying device, which is preferably a stapler, is passed transorally into the stomach to plicate stomach tissue by engaging tissue from inside the stomach and drawing it inwardly. In the disclosed embodiments, the tissue is drawn into a tissue chamber, causing sections of serosal tissue to be positioned facing one another. The disclosed staplers allow opposed sections of tissue to be moved into contact with another, and preferably deliver staples for maintaining contact between tissue sections at least until serosal bonds form. Each of these steps may be performed wholly from the inside of the stomach and thus can eliminate the need for any surgical or laparoscopic intervention, After one or more plications are formed, medical devices may optionally be coupled to the plication(s) for retention within the stomach.07-21-2011
20100065609SURGICAL STAPLING INSTRUMENT WITH DEVICE FOR INDICATING WHEN THE INSTRUMENT HAS CUT THROUGH TISSUE - Circular stapling instruments for cutting and applying one or more surgical staples to tissue are disclosed. The instruments include various forms of feedback systems designed to provide at least one mode of feedback to the surgeon when the knife has cut through tissue clamped between a staple cartridge and an anvil portion.03-18-2010
20110079628TOOL ASSEMBLY FOR A SURGICAL STAPLING DEVICE - A surgical stapling device including an independently rotatable tool assembly is disclosed. The tool assembly includes an anvil and a cartridge assembly which are movable in relation to each other between spaced and approximated positions.04-07-2011
20110068148SURGICAL STAPLING APPARATUS WITH INTERLOCKABLE FIRING SYSTEM - A surgical stapling apparatus. Various embodiments include a handle assembly that has a movable handle that is movable through actuation strokes relative to a stationary handle housing. An actuation is shaft supported at least in part within the stationary handle housing and is movable in response to manipulation of the movable handle. Various embodiments further include a firing lock out assembly that is configured to selectively prevent longitudinal movement of the actuation shaft in a distal direction. A firing release trigger is supported on the movable handle for travel therewith and is configured to interface with the firing lockout assembly to selectively release the firing lockout assembly to permit the actuation shaft to move longitudinally in the distal direction upon manipulation of the movable handle.03-24-2011
20110068147SURGICAL INSTRUMENT WITH SEQUENTIAL CLAMPING AND CUTTING - A surgical fastening instrument including a handle portion, an elongated portion, an end effector and a clamp is disclosed. The elongated portion extends distally from the handle portion. The end effector includes a pair of jaws having a tissue contacting surface disposed substantially transverse to the longitudinal axis of the elongated portion. The end effector is disposed adjacent a distal end of the elongated portion, and 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 clamp has a clamping surface extending substantially transversely from an elongated member and has a height exceeding a height of the elongated member to extend adjacent a side surface of the jaw containing the plurality of fasteners. The clamp is movable from a proximal position to a distal position for engaging body tissue.03-24-2011
20090001130Surgical procedure using a cutting and stapling instrument having releasable staple-forming pockets - A surgical procedure including the steps of performing a plurality of cutting strokes to cut a patient's stomach into a first part and a second part. For one cutting stroke an endocutter is used that is loaded with a staple cartridge. The staple cartridge includes a plurality of staples to staple the first and second parts of the stomach. One or more staples in the staple cartridge have an integrated crown and staple driver.01-01-2009
20080314962Surgical stapling instrument with an anti-back up mechanism - A surgical instrument including a firing drive configured to advance a cutting member and/or staple driver within an end effector, and a brake configured to prevent, or at least partially inhibit, the relative movement of the cutting member and/or staple driver. The surgical instrument can further include a firing member operably engaged with the cutting member, for example, a band connected to the firing member, and a reel, where the band can be configured to be wound around the reel. In various embodiments, the brake can be selectively engageable with the reel and/or band to prevent, or limit, the movement of the band. The brake can include a brake surface where relative movement between the band and the brake surface can generate a friction force therebetween which can hold the firing member in position until a sufficient force is applied to the firing member to overcome the friction force.12-25-2008
20080314961End effector closure system for a surgical stapling instrument - A surgical instrument including a closure system configured to move an anvil of an end effector between an open position, a partially closed position, and a closed position. The surgical instrument can further include a lock member configured to selectively engage and lock the closure system when the anvil is positioned in at least one of its partially closed and closed positions. In at least one embodiment, the surgical instrument can include a trigger configured to pivot the anvil, the lock member can include a follower portion, and the closure drive can include a lock spring configured to bias the follower portion against a cam surface of the trigger such that the follower portion can engage a notch in the cam surface when the anvil is pivoted into its partially closed position, or closed position, and prevent the anvil from being pivoted into its open position.12-25-2008
20080296346Pneumatically powered surgical cutting and fastening instrument with electrical control and recording mechanisms - A surgical instrument includes an end effector. A moveable cutting instrument for cutting an object positioned in the end effector is disposed within the end effector. A pneumatically-actuated drive member is coupled to the end effector. An electrically controlled variable flow rate pneumatic valve is coupled to the pneumatically-actuated drive member. An electronic control module is coupled to an electrically controlled variable flow rate pneumatic valve to control the flow rate therethrough.12-04-2008
20100282818PIN LOCKING MECHANISM FOR A SURGICAL INSTRUMENT - A surgical instrument comprising a handle portion, an elongated portion defining a longitudinal axis and extending distally from the handle portion, and first and second jaw members dimensioned to clamp tissue therebetween. The first jaw member has at least one row of fasteners arranged in a row substantially transverse to the longitudinal axis. A pin is disposed in mechanical cooperation with the first jaw member and is movable between a first position where the engagement section is spaced from the second jaw member and a second position where the engagement section engages the second jaw member. The pin has a non-circular cross-section.11-11-2010
20100282819SURGICAL STAPLING DEVICE - A surgical device is disclosed which includes a handle portion, a central body portion and a SULU. The SULU includes a proximal body portion, an intermediate pivot member and a tool assembly. The intermediate pivot member is pivotally secured to the proximal body portion about a first pivot axis and the tool assembly is pivotally secured to the intermediate pivot member about a second pivot axis which is orthogonal to the first pivot axis. The SULU includes a plurality of articulation links which are operably connected to the tool assembly by non-rigid links. The articulation links are adapted to releasably engage articulation links positioned in the central body portion. The body portion articulation links are connected to an articulation actuator which is supported for omni-directional movement to effect articulation of the tool assembly about the first and second axes. The handle portion includes a spindle and barrel assembly drive mechanism for advancing and retracting a drive member positioned in the tool assembly. In one embodiment, the tool assembly includes a cartridge assembly having a plurality of staples and an anvil assembly.11-11-2010
20110114702Tissue Stop for Surgical Instrument - A surgical including a handle assembly, an elongated portion, an end effector, and a stop member is disclosed. The elongated portion extends distally from the handle assembly. The end effector is disposed adjacent a distal portion of the elongated portion and includes a first jaw member and a second jaw member. At least one jaw member is movable with respect to the other jaw member between spaced and approximated positions. The stop member is disposed adjacent a distal portion of the first jaw member and is pivotable with respect to the first jaw member between a first position, a significant portion of the stop member being positioned external to the first jaw member, and a second position capturing the tissue between the first jaw member and second jaw member.05-19-2011
20110132965DISPOSABLE MOTOR-DRIVEN LOADING UNIT FOR USE WITH A SURGICAL CUTTING AND STAPLING APPARATUS - A self contained motor-powered disposable loading unit for use with a surgical cutting and stapling apparatus. The disposable loading unit may contain a battery that is retained in a disconnected position when the disposable loading unit is not in use and is moved to a connected position when the disposable loading unit is coupled to the surgical cutting and stapling apparatus to permit the motor to be selectively powered thereby. Indicators may be supported on the disposable loading unit to indicate when the axial drive assembly thereof is in a starting position and an ending position. Another indicator may be provided to indicate when the anvil assembly is in a closed position.06-09-2011
20110089221Apparatus and Method For Preserving A Tissue Margin - A cartridge for a surgical apparatus includes a housing having a slot configured to accommodate a blade. A plurality of fasteners is configured to be deployed by the housing. A first row of the plurality of fasteners is positioned on a first side of the slot and a second row of the plurality of fasteners is positioned on a second side of the slot. The first row of the plurality of fasteners is the nearest row of fasteners to the slot on the first side of the slot that are deployed by the housing, and the first row of the plurality of fasteners is spaced apart from the slot such that an undamaged tissue margin is formed on a section of tissue during operation of the surgical apparatus.04-21-2011
20110168760VARIABLE COMPRESSION SURGICAL FASTENER CARTRIDGE - A surgical fastener applying apparatus having a first jaw and a second jaw. The first jaw includes a cartridge body having plurality of surgical fasteners disposed therein. The plurality of surgical fasteners include a plurality of first surgical fasteners having a first backspan with a first configuration, and a plurality of second surgical fasteners having a second backspan with a second, different configuration such that the plurality of first surgical fasteners apply a first compressive force to tissue upon formation and the plurality of second surgical fasteners apply a second, different compressive force to tissue upon formation.07-14-2011
20110168759Interlocking Buttress Material Retention System - A surgical stapler is provided having a pair of jaws including a staple containing cartridge and an anvil. Buttress material is releasable affixed to the staple containing cartridge and the anvil. One of the jaws includes a pair of longitudinal projections at a first end of the jaw and configured to frictionally engage corresponding slots in a first end the buttress material. One of the jaws includes a post at a second end of the jaw. The buttress material includes a hole in a second end of the buttress material for receipt of the post.07-14-2011
20100116868INTERLOCKING BUTTRESS MATERIAL RETENTION SYSTEM - A surgical stapler is provided having a pair of jaws including a staple containing cartridge and an anvil. Buttress material is releasable affixed to the staple containing cartridge and the anvil. One of the jaws includes a pair of longitudinal projections at a first end of the jaw and configured to frictionally engage corresponding slots in a first end the buttress material. One of the jaws includes a post at a second end of the jaw. The buttress material includes a hole in a second end of the buttress material for receipt of the post.05-13-2010
20120145767Surgical Apparatus Including Surgical Buttress - A surgical buttress for use with a surgical stapling apparatus having a first jaw in the form of an anvil assembly and a second jaw configured to selectively receive a staple cartridge assembly. The surgical buttress includes a first body portion and a second body portion. The first body portion substantially overlies a portion of a plurality of fastener slots of the staple cartridge assembly. The staple cartridge assembly is removably operably couplable to the second jaw of the surgical stapling apparatus. The second body portion extends from the first body portion and is configured and dimensioned to be removably positioned to substantially overlie a portion of a plurality of fastener pockets of the anvil assembly of the surgical stapling apparatus when the staple cartridge assembly is operably coupled to the second jaw of the surgical stapling apparatus.06-14-2012
20110095068SURGICAL FASTENING APPARATUS - A surgical fastening apparatus having a fastener retaining frame including a first annular portion having a plurality of retainers circumferentially disposed thereon and a second annular portion having a plurality of circumferentially arranged perforations. The fastener retaining frame is detachably secured to a supporting structure. After the plurality of surgical fasteners have been mated with the plurality of retainers, an annular blade severs the perforations.04-28-2011
20100181363HOLLOW TISSUE INOSCULATION APPARATUS - A hollow tissue inosculation apparatus is to inosculate two hollow tissues to each other with a staple having a plurality of elastically deformable bent staple pins. The hollow tissue inosculation apparatus includes a staple holder to hold the staple, a curvature control mechanism to control curvature of the staple pins of the staple held in the staple holder, and a gap control mechanism to control gaps of the hollow tissues with respect to the staple holder. The curvature control mechanism substantially straightens the staple pins. The gap control mechanism reduces the gaps to cause the substantially straightened staple pins to penetrate the hollow tissues. The curvature control mechanism and the gap control mechanism are independent from each other.07-22-2010
20110147435STRUCTURE FOR APPLYING SPRAYABLE WOUND TREATMENT MATERIAL - The present disclosure relates to surgical instruments, structures and methods for enhancing the properties of tissue to be repaired or joined. According to an aspect of the present disclosure, a surgical stapling apparatus is provided including a wound treatment material dispersion system for delivering wound treatment material to a target surgical site. The dispersion system includes an aperture formed in the anvil assembly oriented to dispense wound treatment material in an outward direction; and a source of wound treatment material in fluid communication with the aperture of the anvil assembly.06-23-2011
20100025452EXPANDING PARALLEL JAW DEVICE FOR USE WITH AN ELECTROMECHANICAL DRIVER DEVICE - A cutting and stapling device for use as an attachment to an electromechanical device driver comprises an upper jaw and a lower jaw which separate and close against one another in a continuously parallel alignment. The upper jaw includes a series of staple guides corresponding to one or more staples in a removable staple tray disposed within a lower jaw, whereby a blade and wedge having a threaded bore travel upon a matching threaded shaft in a channel disposed in the lower jaw below the staple tray, such that rotation of the threaded shaft causes movement of the wedge through the channel while a sloped surface of the wedge contacts the staples to push the staples against the staples guides, closing the staples.02-04-2010
20110215133STRUCTURE FOR ATTACHMENT OF BUTTRESS MATERIAL TO ANVILS AND CARTRIDGES OF SURGICAL STAPLER - A surgical stapler is provided having a pair of jaws including a staple cartridge and an anvil. Buttress material is releasably secured to at least one of the staple cartridge and the anvil. The buttress material includes a means to releasably and frictionally engage the at least one of the staple cartridge and the anvil.09-08-2011
20100072257Tissue Stop for Surgical Instrument - A surgical including a handle assembly, an elongated portion, an end effector, and a stop member is disclosed. The elongated portion extends distally from the handle assembly. The end effector is disposed adjacent a distal portion of the elongated portion and includes a first jaw member and a second jaw member. At least one jaw member is movable with respect to the other jaw member between spaced and approximated positions. The stop member is disposed adjacent a distal portion of the first jaw member and is pivotable with respect to the first jaw member between a first position, a significant portion of the stop member being positioned external to the first jaw member, and a second position capturing the tissue between the first jaw member and second jaw member.03-25-2010
20110155787STAPLE CARTRIDGE - A surgical stapling instrument can include a staple cartridge, wherein the staple cartridge includes a cartridge body, a plurality of staples, a cutting member stored therein, and means for covering, enclosing, encasing, and/or protecting the cutting member. In various embodiments, the staple cartridge body can include a housing which can extend around and/or over the cutting member when the cutting member is in an unfired position. In various circumstances, the housing can protect a clinician as they assemble the staple cartridge to the surgical stapling instrument.06-30-2011
20110155786Surgical Instrument Having A Multiple Rate Directional Switching Mechanism - A surgical instrument having a remotely controllable user interface, and a firing drive configured to generate a rotary firing motion upon a first actuation of the remotely controllable user interface and a rotary refraction motion upon an other actuation of remotely controllable user interface. The instrument includes a first drive member, wherein remotely controllable user interface is selectively engageable with the first drive member, and a second drive member, wherein the remotely controllable user interface is selectively engageable with the second drive member. The instrument also includes an elongate shaft assembly operably engaged with the first drive member and the second drive member. The instrument further includes an end effector coupled to the elongate shaft assembly. The end effector includes an elongate channel configured to operably support a staple cartridge therein, and an anvil movably coupled to the elongate channel. The end effector also includes a cutting member operably supported within the elongate channel, wherein the cutting member is operably engaged with the elongate shaft assembly. The instrument is such that when the remotely controllable user interface operates the first drive member, the first actuation advances the cutting member a first distance, wherein, when the remotely controllable user interface operates the second drive member, the other actuation retracts the cutting member a second distance, and wherein the second distance is greater than the first distance.06-30-2011
20110155785MOTOR-DRIVEN SURGICAL CUTTING INSTRUMENT WITH ELECTRIC ACTUATOR DIRECTIONAL CONTROL ASSEMBLY - A motor-driven surgical instrument having a control assembly for controlling a switch of the instrument. The surgical instrument may comprise a motor control circuit, a drive member, and a slider. The drive member comprises a first shoulder at a first position and a second shoulder at a second position. A first portion of the slider interfaces the drive member such that the slider is moveable in a direction of movement of the drive member when either the first shoulder or the second shoulder of the drive member engages the first portion of the slider. A second portion of the slider actuates a switch of the motor control circuit when the drive member moves the slider to a first position relative to the first switch. In various embodiments, the switches of the control circuit are not embodied as a part of an IC.06-30-2011
20120205422EXPANDING PARALLEL JAW DEVICE FOR USE WITH AN ELECTROMECHANICAL DRIVER DEVICE - A cutting and stapling device for use as an attachment to an electromechanical device driver comprises an upper jaw and a lower jaw which separate and close against one another in a continuously parallel alignment. The upper jaw includes a series of staple guides corresponding to one or more staples in a removable staple tray disposed within a lower jaw, whereby a blade and wedge having a threaded bore travel upon a matching threaded shaft in a channel disposed in the lower jaw below the staple tray, such that rotation of the threaded shaft causes movement of the wedge through the channel while a sloped surface of the wedge contacts the staples to push the staples against the staples guides, closing the staples.08-16-2012
20090134200SURGICAL STAPLING APPARATUS - A surgical stapling apparatus is provided and includes a cartridge assembly defining a tissue contacting surface and a longitudinally extending elongate slot; an anvil assembly defining a tissue contacting surface and a longitudinally extending elongate slot; a surgical buttress releasably secured to at least one of the tissue contacting surface of the cartridge assembly and the tissue contacting surface of the anvil assembly by at least one anchor; a central knife blade slidably disposable in the longitudinal extending elongate slot of the cartridge assembly and the anvil assembly; and a knife blade supported in a distal end portion of at least one of the cartridge assembly and the anvil assembly, wherein the distal knife blade is actuatable by the central knife blade upon an actuation of the central knife blade.05-28-2009
20110180586KNIFE LOCKOUT MECHANISMS FOR SURGICAL INSTRUMENT - A cartridge assembly for use with a surgical stapling instrument is disclosed. The cartridge assembly includes a channel, a cover, a staple cartridge and a knife. The channel includes a protrusion thereon. The cover is configured for mechanical engagement with the channel and includes a blocking member and a surface defining a plane. At least a portion of the blocking member is configured to move away from the plane upon contact with the protrusion. The staple cartridge is configured for mechanical engagement with the cover. The blocking member is configured to substantially prevent distal translation of the knife after the knife has been translated proximally past a predetermined position.07-28-2011
20090065552Endocutter With Staple Feed - A surgical endocutter may include an end effector, at least one feeder belt that extends at least partially into the end effector; and two or more staples, where each staple has a first end frangibly connected to a corresponding feeder belt and a second, free end, and where the staples form at least one row. The endocutter may be used to treat a patient by inserting the end effector into the body of a patient through an opening such as a trocar port, engaging tissue with the end effector, stapling tissue along two staple lines with the end effector; cutting tissue between the staple lines with the end effector, releasing the tissue from the end effector, and repeating the holding, stapling and engaging on tissue at a different location within the body of the patient without removing the end effector from within the body of the patient.03-12-2009
20100012704Surgical Stapling Apparatus - A surgical stapling apparatus is provided including a cartridge assembly defining a tissue contacting surface; an anvil assembly defining a tissue contacting surface; and a surgical buttress releasably secured to at least one of the tissue contacting surface of the cartridge assembly and the tissue contacting surface of the anvil assembly by at least one anchor. A loading unit is provided including a surgical buttress releasably secured to an anvil assembly and/or a staple cartridge secured thereto by at least one anchor, and a drive assembly including a knife blade, wherein movement of the drive assembly from a proximal position to a distal position results in the knife blade cutting the at least one anchor and freeing each surgical buttress from the anvil assembly and/or cartridge assembly.01-21-2010
20100270356Surgical Stapling Instruments including a Cartridge Having Multiple Staples Sizes - A surgical stapling apparatus includes a staple cartridge and an anvil member. The staple cartridge includes a plurality of surgical fasteners disposed in rows of retention slots. The staple cartridge may have an annular or linear configuration of retention slots. The tissue contacting surface of the staple cartridge may be tapered or stepped. The anvil member has a tissue contacting surface that includes a number of pockets arranged for substantially aligning with the retention slots. In addition, the tissue contacting surface of the anvil member may complement the tissue contacting surface of the staple cartridge.10-28-2010
20110095069SURGICAL FASTENING APPARATUS - A surgical fastening apparatus including a fastener receiving frame including a plurality of spaced apart openings formed therein and a fastener supporting member containing a plurality of surgical fasteners extending therefrom. The surgical fasteners are engagable with the plurality of openings to mate with the fastener receiving frame to fasten tissue therebetween. The fasteners are engageable with the openings in a plurality of positions dependent on a tissue thickness between the fastener receiving frame and the fastener supporting member.04-28-2011
20120248172SURGICAL STAPLES HAVING ATTACHED DRIVERS ANS STAPLING INSTRUMENTS FOR DEPLOYING TEH SAME - A surgical stapling system including a driver and a staple where the driver is connected to the staple. In previous surgical stapling systems, the driver and the staple were not connected. A surgical stapling system in accordance with the present invention may have fewer components, less assembly and manufacturing time, and may accommodate larger staples which are at least partially embedded in the driver. In various embodiments, a surgical stapling system comprises a staple, the staple including a deformable member, and a stapler, the stapler including an anvil, a staple cartridge for removably storing the staple, and a cam movable between a first position and a second position. In these embodiments, the surgical stapling system further comprises a driver attached to the staple, the driver being operatively engaged with the cam to move the staple toward the anvil when the cam is moved between the first position and the second position.10-04-2012
20120074202Surgical Stapler with Angled Feeder Belts - An exemplary surgical staple may include a staple holder including an upper surface with two substantially-planar angled surfaces positioned lateral to and angled relative to each other; staple channels within the staple holder, each opening to a corresponding angled surface; at least one feeder belt extending into the staple holder; and staples frangibly affixed to at least one feeder belt, wherein at least one staple is held within a corresponding staple channel.03-29-2012
20120074201SURGICAL INSTRUMENT WITH TRIGGER ASSEMBLY FOR GENERATING MULTIPLE ACTUATION MOTIONS - A surgical instrument that has an actuation system that is configured to generate at least two separate actuation motions. A clutch assembly is movable between an engaged position wherein the clutch assembly is in operable engagement with the actuation system and an unengaged position. In various forms, the surgical instrument includes a manually actuatable trigger assembly that interfaces with the clutch assembly and the actuation system such that a first stroke of the trigger assembly causes the actuation system to generate a first one of the actuation motions and moves the clutch assembly from the unengaged position to the engaged position whereupon a second stroke of the trigger assembly causes the actuation system to generate another one of the actuation motions.03-29-2012
20120074200SURGICAL INSTRUMENT WITH SELECTIVELY ARTICULATABLE END EFFECTOR - A surgical instrument that has an articulatable end effector. The instrument includes an articulation system that has a rotatable actuator member that interfaces with an articulation transmission. Rotation of the actuator member in a first rotary direction about an actuation axis causes at least one articulation member to articulate the surgical end effector in a first articulation direction and rotation of the actuator member in a second rotary direction causes at least one articulation member to articulate the surgical end effector in a second articulation direction.03-29-2012
20100264194SURGICAL STAPLING INSTRUMENT WITH AN ARTICULATABLE END EFFECTOR - A surgical instrument can comprise a channel configured to support a staple cartridge and, in addition, an anvil pivotable between open and closed positions relative to the channel. The surgical instrument can further comprise a cutting member configured to incise tissue positioned captured between the staple cartridge and the anvil and, in addition, means for stopping the cutting member prior to a distal end datum, wherein the distal end datum can be defined by the distal-most staple cavity in the staple cartridge. In such embodiments, the incision within the tissue may not extend beyond the portion of the tissue that has been stapled.10-21-2010
20130200132DETACHABLE MOTOR POWERED SURGICAL INSTRUMENT - A detachable motor-powered surgical instrument. The instrument may include a housing that includes at least one engagement member for removably attaching the housing to an actuator arrangement. A motor is supported within the housing for supplying actuation motions to various portions of a surgical end effector coupled to the housing. The housing may include a contact arrangement that is configured to permit power to be supplied to the motor only when the housing is operably attached to the actuator arrangement.08-08-2013
20110121052SURGICAL INSTRUMENT HAVING RECORDING CAPABILITIES - A surgical instrument. The surgical instrument has an end effector and a trigger in communication with the end effector. The surgical instrument also has a first sensor and an externally accessible memory device in communication with the first sensor. The first sensor has an output that represents a first condition of either the trigger or the end effector. The memory device is configured to record the output of the first sensor. In various embodiments, memory device may include an output port and/or a removable storage medium.05-26-2011
20120298723VARIABLE COMPRESSION SURGICAL FASTENER CARTRIDGE - A surgical fastener applying apparatus having a first jaw and a second jaw. The first jaw includes a cartridge body having plurality of surgical fasteners disposed therein. The plurality of surgical fasteners include a plurality of first surgical fasteners having a first backspan with a first configuration, and a plurality of second surgical fasteners having a second backspan with a second, different configuration such that the plurality of first surgical fasteners apply a first compressive force to tissue upon formation and the plurality of second surgical fasteners apply a second, different compressive force to tissue upon formation.11-29-2012
20110042443SURGICAL STAPLER - A surgical stapler comprising a handle assembly, an elongated body portion extending distally from the handle assembly, and a head portion disposed adjacent a distal portion of the elongated body portion and including an anvil assembly and a shell assembly. The anvil assembly is movable in relation to the shell assembly between spaced and approximated positions. The shell assembly includes a pusher movable distally to advance staples from the shell assembly into contact with the anvil assembly. First and second alignment pins operatively associated with the pusher have distal ends positioned distally of the pusher, the alignment pins movable between a first non-engaged position spaced from the anvil assembly and a second position in engagement with the anvil assembly.02-24-2011
20120080502SURGICAL CUTTING AND FASTENING INSTRUMENTS WITH SEPARATE AND DISTINCT FASTENER DEPLOYMENT AND TISSUE CUTTING SYSTEMS - A surgical instrument capable for use with an end effector supporting a staple cartridge therein. In various embodiments, the surgical instrument includes a firing system for applying firing motions to the end effector to form the unformed the staples supported in the staple cartridge. The surgical instrument further includes a tissue cutting system that may be optionally actuated after the staples have been formed.04-05-2012
20120080501SURGICAL STAPLING INSTRUMENT WITH INTERCHANGEABLE STAPLE CARTRIDGE ARRANGEMENTS - A surgical stapling instrument that is configured to be used in connection with different sizes of interchangeable end effectors. The end effectors are removably couplable to an elongated shaft assembly that protrudes from a handle assembly. The end effectors are configured to support different sizes of implantable staple cartridges therein. The staples within the staple cartridge are formed as an anvil portion of the end effector is compressed into the staple cartridge. The surgical stapling instrument further includes removable adapters that facilitate attachment of different sizes of end effectors to the elongated shaft assembly.04-05-2012
20130015233Tool Assembly for Surgical Stapling Device - The present disclosure describes a surgical device with a body portion defining a longitudinal axis, a tool assembly including an anvil, a cartridge assembly housing a plurality of staples, a dynamic clamping member movable relative to the tool assembly to eject the staples, and an articulation and firing actuator extending at least partially through the body portion and the tool assembly. The tool assembly is pivotally attached to the body portion for movement from a position aligned with the longitudinal axis to a position oriented at an angle thereto. The articulation and firing actuator extends at least partially through the body portion and the tool assembly, is operably associated with the dynamic clamping member and the tool assembly, and is movable in relation thereto to selectively pivot the tool assembly relative to the body portion and move the dynamic clamping member relative to the tool assembly to eject the staples.01-17-2013
20130015232Electrical Surgical Instrument with Optimized Power Supply and Drive - A hand-held, electrically powered and controlled surgical stapler/cutter includes a handle shaped to fit in one hand of a user and a surgical end effector connected to the handle. The handle contains therein a selectively actuated, self-contained electric power supply having at least one battery cell, at least part of an anvil control assembly, and at least part of an electrically-powered stapler/cutter control assembly electrically connected to the power supply. The surgical end effector is operatively connected to each of the anvil control assembly and the stapler/cutter control assembly. The stapler/cutter control assembly staples and cuts tissue disposed at the surgical end effector when powered by the power supply.01-17-2013
20130181036Sliding Sleeve for Circular Stapling Instrument Reloads - A surgical stapling device and method for joining tissue portions are provided including a handle assembly, an elongate body extending from the handle assembly, a cartridge assembly supported on a distal end of the elongate body, and an anvil assembly at a distal end of the surgical stapling device. The anvil assembly includes a shaft for removably coupling the anvil assembly to the cartridge assembly and a head pivotally mounted to a distal end of the shaft. A sleeve member is slidably disposed about the shaft of the anvil assembly and is transitionable between a first position, where the sleeve member engages the head of the anvil assembly to secure the head in an un-tilted condition, and a second position, where the sleeve member is disengaged from the head of the anvil assembly to allow the head to tilt.07-18-2013
20130175321STAPLE CARTRIDGE COMPRISING DRIVERS FOR DEPLOYING A PLURALITY OF STAPLES - A surgical stapling system including a driver and a staple where the driver is connected to the staple. In previous surgical stapling systems, the driver and the staple were not connected. A surgical stapling system in accordance with the present invention may have fewer components, less assembly and manufacturing time, and may accommodate larger staples which are at least partially embedded in the driver. In various embodiments, a surgical stapling system comprises a staple, the staple including a deformable member, and a stapler, the stapler including an anvil, a staple cartridge for removably storing the staple, and a cam movable between a first position and a second position. In these embodiments, the surgical stapling system further comprises a driver attached to the staple, the driver being operatively engaged with the cam to move the staple toward the anvil when the cam is moved between the first position and the second position.07-11-2013
20130175322MOTOR-DRIVEN SURGICAL CUTTING INSTRUMENT - A motor-driven surgical cutting and fastening instrument that comprises an end effector, an electric motor, and a motor control circuit. The motor control circuit is for monitoring a parameter of the electric motor that is indicative of movement of a moveable member of the end effector, and for adjustably controlling the electric motor based on the monitored parameter to thereby adjustably control movement of the moveable member of the end effector during forward rotation of the electric motor.07-11-2013
20130140343TRUE MULTI-FIRE LINEAR CUTTER - One exemplary surgical apparatus may include an anvil assembly to which a staple holder assembly detachably connected; feeder belts positioned at least partially within the staple holder assembly; staples separably attached to each feeder belt; a wedge assembly slidable within and along the staple holder assembly, the wedge assembly including an engagement feature; and a deployment handle, where, upon closure of the anvil assembly and staple holder assembly relative to one another, the deployment handle engages the engagement feature; where the deployment handle is movable along the anvil assembly to drive the wedge assembly relative to the staple holder assembly, feeder belts and staples in order to deform at least one staple to a closed state and separate at least one closed staple from the corresponding feeder belt. One exemplary surgical method may include providing a surgical stapler having an anvil and a staple holder separably connected to the anvil, where the staple holder holds feeder belts and staples separably connected to each feeder belt; deploying, at least twice, a plurality of staples from the staple holder; and then removing the staple holder from the anvil.06-06-2013
20130146643ADHESIVE FILM LAMINATE - A surgical stapler, or fastening instrument, may generally comprise a layer, such as a tissue thickness compensator, for example, releasably attached to a fastener cartridge and/or anvil by a flowable attachment portion. The flowable attachment portion may be indefinitely flowable. The flowable attachment portion may be flowable from the time that layer is installed to the fastener cartridge to the time in which the layer is implanted to patient tissue. The flowable attachment portion may comprise a pressure sensitive adhesive. The flowable attachment portion may comprise an adhesive laminate comprising a base layer comprising the tissue thickness compensator and an adhesive layer on at least a portion of a surface of the base layer comprising the pressure sensitive adhesive. Articles of manufacture comprising flowable attachment portion and methods of making and using the flowable attachment portion are also described.06-13-2013
20100308101Surgical Stapling Instrument - A surgical stapling instrument (12-09-2010
20130153639Buttress Assembly for Use with Surgical Stapling Device - An apparatus for joining two hollow organ sections includes a staple cartridge component, an anvil component, a knife member, a buttress mount and a buttress member. The staple cartridge component includes a plurality of surgical staples in an annular array. The anvil component is movable relative to the staple cartridge component between spaced apart and approximated positions to adjustably clamp tissue. The knife member is movable relative to the staple cartridge component. The buttress mount is concentrically disposed at least partially within the lumen of the knife member. The buttress mount includes a plurality of spokes radially extending outward and a plurality of legs detachably secured with an inner wall of the knife member. The buttress member is secured with the plurality of spokes of the buttress mount. The buttress member is concentrically aligned with the plurality of surgical staples.06-20-2013
20130153640Buttress Attachment to Degradable Polymer Zones - An end effector assembly for use with a surgical stapler, the end effector comprises a staple cartridge assembly having a tissue contacting surface and an anvil assembly having a tissue contacting surface. A surgical buttress configured and dimensioned to substantially overlie at least a portion of the tissue contacting surface of at least one of the staple cartridge assembly and anvil assembly. A plurality of attachment pads secured to at least one of the tissue contacting surface of the at least one staple cartridge assembly and anvil assembly configured to retain the respective buttress material thereto, wherein the surgical buttress is ultrasonically welded to each of the plurality of attachment pads.06-20-2013
20130153641RELEASABLE LAYER OF MATERIAL AND SURGICAL END EFFECTOR HAVING THE SAME - An end effector assembly for use with a surgical instrument. The end effector assembly can include a fastener cartridge, a plurality of fasteners, a first connector, a second connector, and a layer of material releasably secured to the fastener cartridge by the first connector and by the second connector. The layer of material can have a mount that extends into a slot or notch in the fastener cartridge between the first connector and the second connector when the layer of material is secured to the fastener cartridge. The layer of material can be a buttress material and/or a tissue thickness compensator. Further, the layer of material can have a reinforcement feature and/or a scalloped edge around at least a portion of the perimeter thereof.06-20-2013
20120273552Center Cinch And Release Of Buttress Material - A buttressed anvil assembly is provided for use with a surgical stapling instrument. The buttressed anvil assembly generally includes an anvil member having a strip of buttress material attached thereto by a pair of sutures. A tensioning mechanism is provided to secure or tension the buttress material to the anvil member prior to use and allow for release of the buttress material after stapling of tissue. The tensioning mechanism includes a cinch track engageable with one of the pair of sutures.11-01-2012
20120273551SURGICAL STAPLING INSTRUMENT HAVING A MEDICAL SUBSTANCE DISPENSER - In various embodiments, an assembly of a surgical instrument is disclosed. The assembly includes a housing, a cutting member relatively movable with respect to the housing, and an agent cartridge connected to the housing. The agent cartridge houses a medical agent. The assembly is configured to deliver the medical agent proximate a cutting surface of the cutting member.11-01-2012
20130200131Circular Stapling Instrument - A circular stapling instrument including a stapling forming assembly that is actuated independently from actuation of the cutting assembly is provided. The instrument includes a handle assembly, an elongate body extending from the handle assembly, a cartridge assembly mounted on a distal end of the elongate body. The cartridge assembly includes a pusher and a knife assembly. The knife assembly is selectively fixed relative to the pusher.08-08-2013
20120085808Surgical Fastener Applying Apparatus - The present disclosure relates to surgical fastener applying apparatus for sequentially applying a plurality of surgical fasteners to body tissue. The surgical fastener applying apparatus includes a replaceable cartridge assembly receivable in a distal end portion of a cartridge receiving half-section, the cartridge assembly including a safety lockout pivotably disposed along the upper surface of the cartridge assembly and movable from an unlocked orientation permitting assembly of an anvil half-section to the cartridge receiving half-section, to a locked orientation preventing assembly of the anvil half-section to the cartridge receiving-half section.04-12-2012

Patent applications in class With cutting means