APPARATUS FOR FORMING VARIABLE HEIGHT SURGICAL FASTENERS
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Accused Products
Abstract
A surgical device for applying a plurality of surgical staples is provided. The device includes a staple fastening assembly attached to a surgical instrument. The staple fastening assembly includes a pair of cooperating jaws, a jaw operating mechanism, and a gap sensor. A staple magazine having a plurality of staples and an anvil member having a plurality of staple pockets are attached to the jaws. The staple magazine includes a staple crimping cam and a staple dimpling cam that are operatively coupled to the surgical instrument. The jaw operating mechanism is operatively connected to a drive assembly in the surgical instrument for moving the jaws for automatically setting a tissue gap between the cooperating jaws. The gap sensor cooperates with the jaw operating mechanism for controlling staple formation.
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Citations
41 Claims
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1-21. -21. (canceled)
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22. A surgical apparatus comprising:
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a housing; an elongate tubular member extending distally from the housing; a fastening assembly located at a distal end of the elongate tubular member, the fastening assembly including a first jaw and a second jaw, the first jaw having a first tissue contacting surface and including a plurality of fasteners and a fastener driving assembly, the second jaw having a second tissue contacting surface and including an anvil; and a jaw driving assembly for moving one of the first and second jaws towards the other of the first and second jaws, the jaw driving assembly including a cam, the cam contacting an outer surface of the second jaw such that rotation of the cam urges the second jaw towards the first jaw. - View Dependent Claims (23, 24, 25, 26)
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- 27. A surgical apparatus comprising a surgical fastening assembly including a first jaw and a second jaw, the first jaw having a longitudinal axis and including a plurality of fasteners, the second jaw including an anvil, the first jaw including a first movable member, an ejector and a second movable member, wherein the first movable member is movable along the longitudinal axis of the first jaw, the ejector is movable by the first movable member transverse to the movement of the first movable member to eject a fastener from the first jaw, and the second movable member is movable into contact with a portion of the fastener ejected from the first jaw.
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35. A surgical apparatus comprising:
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a first jaw including a plurality of retention slots; a second jaw including a plurality of grooves; and a plurality of fasteners disposed in the plurality of retention slots, each fastener including first and second legs, wherein each groove is configured to direct the legs of the fastener towards each other resulting in a formed portion and an unformed portion in each leg, and wherein the formed portion of the first leg at least partially overlaps the unformed portion of the second leg. - View Dependent Claims (36, 37, 38, 39, 40, 41)
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Specification