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525 results about "Surgical Staplers" patented technology
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Fastening devices composed of steel-tantalum alloys used to close operative wounds, especially of the skin, which minimizes infection by not introducing a foreign body that would connect external and internal regions of the body. (From Segen, Current Med Talk, 1995)
Surgical stapling instrument
Owner:CILAG GMBH INT
Surgical stapler
InactiveUS6032849AFacilitates convenient removalEasy to engageSuture equipmentsStapling toolsPERITONEOSCOPEEngineering
A surgical device is described herein that can be used to fire different types and sizes of disposable loading units. In a preferred embodiment, the device applies parallel rows of surgical fasteners to body tissue and concomitantly forms an incision between the rows of staples during an endoscopic or laparoscopic surgical procedure. The device can be utilized with disposable loading units configured to apply linear rows of staples measuring from about 15 mm in length to about 60 mm in length and can be used to fire disposable loading units containing surgical clips and individual staples.
Owner:TYCO HEALTHCARE GRP LP
Powered surgical stapling device
A powered surgical stapler is disclosed. The stapler includes a housing, an endoscopic portion extending distally from the housing and defining a first longitudinal axis, a drive motor disposed at least partially within a housing and a firing rod disposed in mechanical cooperation with the drive motor. The firing rod is rotatable by the motor about the first longitudinal axis extending therethrough. The stapler also includes an end effector disposed adjacent a distal portion of the endoscopic portion. The end effector is in mechanical cooperation with the firing rod so that the firing rod drives a surgical function of the end effector. The stapler further includes a control system having a plurality of sensors coupled to the drive motor, the firing rod, the loading unit and the end effector, the plurality of sensors configured to detect operating parameters thereof. The control system also includes a microcontroller coupled to the plurality of sensors and being configured to determine operating status of the powered surgical stapler as a function of the detected operating parameters.
Owner:TYCO HEALTHCARE GRP LP
Surgical stapler and method of applying plastic staples to body tissue
A stapler for ejecting at least one staple of resilient thermoplastic material having a base member and two legs extending from the base member to sharp ends and wherein the legs include overlapping distal portions for engaging body tissue. The stapler includes a pair of jaws movable between open and closed positions, a handle and trigger assembly for controlling operation of the jaws, an elongated tubular structure connecting the handle and trigger assembly to the jaws, an ejector for ejecting at least one staple from one of the jaws against the other of the jaws, and posts for holding normally overlapping distal portions of legs of the staple generally parallel until after the staple is ejected from the stapler.
Owner:TORNIER INC
Surgical stapler
InactiveUS6986451B1Facilitates convenient removal and engagementSuture equipmentsStapling toolsPERITONEOSCOPEEngineering
A surgical device is described herein that can be used to fire different types and sizes of disposable loading units. In a preferred embodiment, the device applies parallel rows of surgical fasteners to body tissue and concomitantly forms an incision between the rows of staples during an endoscopic or laparoscopic surgical procedure. The device can be utilized with disposable loading units configured to apply linear rows of staples measuring from about 15 mm in length to about 60 mm in length and can be used to fire disposable loading units containing surgical clips and individual staples.
Owner:TYCO HEALTHCARE GRP LP
Surgical stapler with universal articulation and tissue pre-clamp
A tool assembly for a surgical stapling device includes a channel member for supporting a staple cartridge therein and an anvil to deform a plurality of staples ejected from the staple cartridge thereagainst. The tool assembly also includes a sled which is movable to force the staples from the cartridge against the anvil to staple tissue disposed between the anvil and the staple cartridge. A dynamic clamping member is included which has a pin which movably engages the anvil and a flange which movably engages the channel assembly. The dynamic clamping member is mounted to and movable with the sled. The pin and the flange of the dynamic clamping member cooperating to oppose the forces associated with clamping and stapling tissue and also to maintain a substantially uniform gap between the anvil and the staple cartridge during stapling of the tissue.
Owner:COVIDIEN LP
Pneumatic powered surgical stapling device
InactiveUS7481347B2Inhibition of activationSuture equipmentsStapling toolsEngineeringBiological activation
A surgical stapler which includes or onto which a tool assembly can be mounted for deforming a plurality of surgical fasteners through and fastening tissue includes a housing having a fixed handle and a clamping handle mountable to the housing. The clamping handle is selectively movable relative to the fixed handle from a first position in spaced relation relative to the fixed handle to a second position closer to the fixed handle to actuate the clamping of tissue. An adapter yoke is included which translates within the housing upon actuation of the clamping handle. The adapter yoke mechanically cooperates with a lead screw to actuate the tool assembly to clamp tissue. A drive assembly is also included for rotating a shaft which mechanically engages the lead screw. Upon selective activation of the drive assembly, the shaft rotates the lead screw to advance a roll nut and force a firing piston into the tool assembly to deform the surgical fasteners through and fasten the tissue.
Owner:COVIDIEN LP
Lockout arrangement for a surgical stapler
ActiveUS7832612B2Reduce the possibilityAvoid missed connectionsSuture equipmentsStapling toolsSurgical stapleMechanical engineering
A surgical stapling instrument including a latch for securing first and second jaw members together, a cutting member which can be advanced and / or retracted relative to first and second jaw members, and, in addition, a lock which can prevent, or at least inhibit, the cutting member from being moved, or at least advanced, relative to the first and second jaw members before the latch has been closed. In at least one embodiment, the latch can be configured to engage the lock as the latch is moved from a fully open position to a fully closed position and operably disengage the lock from the cutting member.
Owner:CILAG GMBH INT
Surgical stapling device with a curved cutting member
The present invention includes a surgical stapler having a curved end-effector which is configured to deploy staples in at least one curved staple line. The surgical stapler can include a staple cartridge configured to removably store staples therein, an anvil configured to deform the staples, and a cutting member having a cutting surface. The staple cartridge and / or anvil can include a curved slot configured for receiving and guiding the cutting member wherein at least a portion of the cutting member can be defined by a curvature that substantially matches the curvature of the slot. In these embodiments, the curved cutting member can be easily moved within the curved slot thereby reducing the possibility that the cutting member will become stuck within the slot.
Owner:CILAG GMBH INT +1
Surgical stapler comprising a staple pocket
Owner:CILAG GMBH INT
Apparatus for closing a curved anvil of a surgical stapling device
The present invention includes a surgical stapler having a staple cartridge, an anvil, and a cutting member having a cutting surface, wherein the cutting member is relatively movable with respect to the anvil and the staple cartridge. In at least one embodiment, the anvil is movable between an open position and a partially-closed position. When the anvil is in its partially-closed position, the anvil and the staple cartridge can be configured to capture tissue therebetween without fully compressing the tissue. In at least one embodiment, the anvil includes a proximal portion, a distal portion, and a middle portion intermediate the proximal portion and the distal portion. In these embodiments, the tissue can be captured between the proximal and distal portions of the anvil before the middle portion of the anvil is brought into contact with the tissue.
Owner:CILAG GMBH INT
Surgical stapler end effector with tapered distal end
An end effector for a surgical stapler. Various embodiments include a channel configured to operably support a staple cartridge therein. A first tip portion is attached to or formed on a distal end of one of the channel and staple cartridge wherein the first tip portion may have a first upwardly extending curved outer surface. An anvil is movably coupled to the channel and is selectively movable between open and closed positions relative to the staple cartridge in response to opening and closing motions applied to the anvil. A second tip portion is attached to or formed on a distal end thereof. The second tip portion may have a second downwardly extending curved surface such that when the anvil is in the closed position, the second tip portion cooperates with the first tip portion to define a blunt end effector nose. In various embodiments, the end effector nose has a substantially paraboloid outer surface.
Owner:ETHICON ENDO SURGERY INC +1
Surgical stapler anvil with nested staple forming pockets
InactiveUS6953138B1Increased lateral widthLittle lateral spaceSuture equipmentsStapling toolsMirror imageBiomedical engineering
A surgical stapler anvil provides an expanded leg-receiving target area for a staple forming pocket in a compact staggered array by narrowing the lateral width of the leg-clinching portion of a laterally adjacent pocket. Advantageously, the lateral spacing between adjacent rows of staple forming pockets can remain small, while the leg-receiving target area for laterally adjacent rows of pockets is significantly expanded. The staple forming pockets include two mirror image leg-forming cups. The cups are longitudinally aligned with their respective ascending leg clinching portions adjoining in the center of the pocket. Laterally spaced guide surfaces extend upwardly and outwardly from the clinching surface at the bottom of the cup to define an expanded leg-receiving target area at the distal ends of the pocket. Substantially planar laterally outward portions of the guide surface intersect with the guide surface of a laterally adjacent pocket to form a non-linear ridge.
Owner:DWORAK FR W
Surgical stapling instrument
Owner:CILAG GMBH INT
Surgical stapler and method of applying plastic staples to body tissue
A surgical stapler utilizing plastic staples and ultrasonic welding to secure the staples in body tissue. The stapler includes a pair of jaws movable between open and closed positions, a handle and trigger assembly for controlling operation of the jaws, and an elongated tubular structure connecting the handle and trigger assembly to the jaws. The stapler also includes an ejection assembly for ejecting at least one staple from one of the jaws against the other of the jaws. An anvil and a horn are positioned in the other of the jaws and are arranged to receive ends of the ejected staple such that the ends overlap between the anvil and the horn. The horn is for melting and bonding at least a portion of the overlapping ends of the staple upon being energized by a predetermined form of energy, and one of the anvil and the horn is movable from within the bonded staple to allow the jaws to be moved to an open position.
Owner:AXYA MEDICAL INC
Circular stapler buttress
A buttress for use with circular surgical staplers that does not require adhesive to securely fasten the buttress to the stapler. Following cutting and stapling by the circular stapler, the buttress has an adaptive opening through its central region with a diameter smaller than the outer diameter of the stapler anvil. Because of relief features built into the buttress, the stapler anvil may be pulled through the buttress material without causing permanent alteration to the buttress. These relief features may be provided regardless of whether the buttress is made of inelastic or elastic materials. The buttress is generally circular in shape with an outer diameter sized to coincide with the outer diameter of the stapler body staple compression surface and the outer diameter of the anvil compression surface of a circular stapler with which it is used. Prior to surgical use, the buttress is attached to the stapler with disruptable portions extending from outer perimetal areas of the buttress.
Owner:WL GORE & ASSOC INC
Palm size surgical stapler for single hand operation
Palm-size staplers for surgical procedures are proposed. The staplers include cartridge and slider assemblies with the cartridge assembly containing staples. As the slider assembly advances step-wise incrementally it provides a staple ejection force causing ejection of staples. Optionally, a blade element may be included for cutting. An anvil member is operable in closed and open positions with respect to the cartridge assembly. When in a closed position, the anvil member holds a portion of tissue against the cartridge assembly, ejected staples passing through the held tissue. Actuation of the staplers is effected by a lever member. A locking mechanism, when in its locked position, holds the anvil member adjacent to the cartridge assembly allowing closure of the staple to occur. The devices are intended for one hand use.
Owner:NITI SURGICAL SOLUTIONS
Surgical fastener buttress material
InactiveUS20060173470A1Easy to optimizeReduce misalignmentSurgical staplesWound clampsButtressStaple line
A staple line buttress material having an adhesive surface, packaged and provided in sterile, ready-to-use form. The material can be used to retrofit surgical staplers to provide an improved staple line, and with improved ease of use.
Owner:SYNOVIS LIFE TECH
Annular adhesive structure
Owner:TYCO HEALTHCARE GRP LP
Palm-size surgical stapler for single hand operation
Owner:NITI SURGICAL SOLUTIONS
Surgical stapler having an intermediate closing position
ActiveUS7857186B2Reduce the possibilityAvoid missed connectionsSuture equipmentsStapling toolsSurgical stapleEngineering
Owner:CILAG GMBH INT
Surgical stapling device with dissecting tip
InactiveUS20050216055A1Prevent snaggingAvoid pullingSuture equipmentsStapling toolsActuatorSurgical department
A dissecting tip is provided for use with a surgical stapler or instrument. In one embodiment, the dissecting tip is secured to the end effector of the surgical instrument, e.g., to the cartridge assembly. The dissecting tip extends distally from the end effector and is configured to dissect or separate target tissue from certain tissue, e.g., adherent, connective, joined or other tissue.
Owner:TYCO HEALTHCARE GRP LP
Apparatus and method for producing a reinforced surgical staple line
ActiveUS7377928B2Easy to prepareEasy to useSurgical staplesWound clampsSurgical stapleBiomedical engineering
An apparatus for use with a surgical stapler to provide a reinforced surgical staple line. The apparatus includes an applicator that carries a first and second bioimplantable material connected by a hinge. An applicator clip may be provided to releasably secure the first and second bioimplantable material onto the applicator.
Owner:COOK BIOTECH
Dampening device for endoscopic surgical stapler
A surgical instrument including a shaft and an end effector. The end effector may comprise a first jaw and a second jaw. The first jaw may be movable relative to the second jaw between an open configuration and a closed configuration. The surgical instrument may comprise a closure assembly which may be operably engaged with the first jaw. The closure assembly may comprise a closure trigger and a dampening system. The closure trigger may be configured to be actuated from a first position to a second position to close the first jaw. The dampening system may be configured to retard the opening of the closure trigger. The dampening system may comprise an aperture configured to receive the projection at a first end of the aperture and a seal configured to form a fluid seal between said projection and said aperture sidewall.
Owner:CILAG GMBH INT
Surgical buttress assemblies and methods of uses thereof
InactiveUS20070246505A1Improve permeabilityEasy to useSuture equipmentsStapling toolsEngineeringSurgical Staplers
A surgical buttress-dispensing assembly configured for releasably engaging a surgical stapling device. The surgical buttress-dispensing assembly comprises an one-piece cartridge for receiving and engaging therein an elongate buttress strip, and a carrier configured to slidingly receive, engage, and discharge the cartridge. The cartridge comprises a cylindrical end portion from which extends a pair of opposed elongate semi-circular sleeves. The cylindrical end portion is configured to slidingly received therethrough the closed closed jaws of a surgical stapler. The semi-circular sleeves are configured such that each sleeve slidingly communicates and cooperates with one of the stapler's jaws. The elongate edges of the sleeves are configured to engage and retain therewith the elongate edges of a surgical buttress strip. The carrier is engaged with a cartridge having a buttress strip installed onto the opposed sleeves, and is manipulated to slide and mount the cartridge onto the jaws of a surgical stapler.
Owner:NEXUS MEDICAL LLC
Biological tissue strip and system and method to seal tissue
A strip for use with a surgical stapler facilitates sealing tissue of a patient, such as the lungs, stomach, etc. The strip includes retaining elements near opposed ends of the strip for connecting to associated parts of a surgical stapler device. An aperture also extends through the strip at a location intermediate its opposed ends for receiving an alignment feature of the surgical stapler.In another aspect, a second elongated strip having retaining elements near opposed ends thereof may be utilized in conjunction with the strip and a surgical stapler to seal the patient's tissue. In addition, the strips may be connected together by a bridge of material to facilitate selection and use of appropriate strips.
Owner:GABBAY SHLOMO
Surgical stapler having haptic feedback
A surgical tool system includes a surgical tool for cutting and stapling tissue and a tactile feedback system integrated onto a handle of the tool that generates relevant feedback in at least the form of haptic effects to the user. The tactile feedback alerts the user of tissue properties, i.e., the type of tissue or other structures located within the jaws of the stapler, whether the quantity or thickness of tissue located within the jaws of the stapler is appropriate for the selected stapler cartridge, whether the proper length of staples has been fired based on the length of tissue located in the jaws, whether a blood vessel is located within the jaws of the stapler, whether the stapling process has successfully sealed the tissue located within the jaws of the stapler, the position of the cutting element, and / or when the stapling procedure or firing cycle is completed.
Owner:IMMERSION CORPORATION
Powered surgical stapling device
A powered surgical stapler is disclosed. The stapler includes a housing, an endoscopic portion extending distally from the housing and defining a first longitudinal axis, a drive motor disposed at least partially within a housing and a firing rod disposed in mechanical cooperation with the drive motor. The firing rod is rotatable by the motor about the first longitudinal axis extending therethrough. The stapler also includes an end effector disposed adjacent a distal portion of the endoscopic portion. The end effector is in mechanical cooperation with the firing rod to fire a surgical fastener. The stapler further includes a current sensor configured to measure a current draw on the motor and a controller configured to determine whether the surgical fastener is successfully deployed based on the current draw on the motor.
Owner:TYCO HEALTHCARE GRP LP
Apparatus and method for producing a reinforced surgical staple line
InactiveUS7789889B2Easy to prepareEasy to useSurgical staplesWound clampsSurgical stapleBiomedical engineering
Owner:COOK BIOTECH
Powered surgical stapling device
A surgical stapler which includes a tool assembly having a pair of opposing tissue engaging surfaces for deforming a plurality of surgical fasteners through and fastening tissue is disclosed. The surgical stapler includes a housing having a fixed handle and a movable handle mounted to the housing and selectively movable relative to the fixed handle from a first position to a second position to actuate the clamping of tissue. The stapler further includes a drive assembly including a motor, a power source and a coupling member. The motor engages the coupling member, wherein movement of the movable handle to the second position activates the motor, which advances a firing shaft and forces a firing piston into the tool assembly to deform the surgical fasteners through and fasten tissue.
Owner:TYCO HEALTHCARE GRP LP
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