Surgical stapling instruments including a cartridge having multiple staple sizes
First Claim
Patent Images
1. A surgical stapling instrument, comprising:
- a staple cartridge having a tissue contacting surface extending from a proximal end portion of the staple cartridge to a distal end portion of the staple cartridge;
an anvil arranged with the staple cartridge so that the anvil and the staple cartridge have an open position and a clamped position for clamping tissue therebetween;
the anvil including a first surface and a second surface, each of the first and second surfaces of the anvil including staple pockets configured to close surgical fasteners, the first surface being spaced from the tissue contacting surface of the staple cartridge by a first distance and the second surface being spaced from the tissue contacting surface of the staple cartridge by a second distance when the staple cartridge and the anvil are in the clamped position, the anvil being arranged with the staple cartridge to apply a varying tissue compression pressure to tissue disposed between the anvil and the tissue contacting surface of the staple cartridge when the staple cartridge and the anvil are in the clamped position;
the cartridge having a first plurality of staples and a second plurality of staples, the size of the first plurality of staples being different from the size of the second plurality of staples; and
staple pushers having upper surfaces supporting the first plurality of staples and the second plurality of staples.
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Accused Products
Abstract
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.
1735 Citations
9 Claims
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1. A surgical stapling instrument, comprising:
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a staple cartridge having a tissue contacting surface extending from a proximal end portion of the staple cartridge to a distal end portion of the staple cartridge; an anvil arranged with the staple cartridge so that the anvil and the staple cartridge have an open position and a clamped position for clamping tissue therebetween; the anvil including a first surface and a second surface, each of the first and second surfaces of the anvil including staple pockets configured to close surgical fasteners, the first surface being spaced from the tissue contacting surface of the staple cartridge by a first distance and the second surface being spaced from the tissue contacting surface of the staple cartridge by a second distance when the staple cartridge and the anvil are in the clamped position, the anvil being arranged with the staple cartridge to apply a varying tissue compression pressure to tissue disposed between the anvil and the tissue contacting surface of the staple cartridge when the staple cartridge and the anvil are in the clamped position; the cartridge having a first plurality of staples and a second plurality of staples, the size of the first plurality of staples being different from the size of the second plurality of staples; and staple pushers having upper surfaces supporting the first plurality of staples and the second plurality of staples. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification