Surgical stapling device for performing circular anastomosis and surgical staples for use therewith
First Claim
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1. A surgical stapler end effector, comprising:
- a circular anvil assembly having a center rod with a proximal end for connection to an approximation mechanism and a distal end attached to an anvil head, the anvil head having an anvil plate with a tissue contact surface, and at least two circular rows of staple forming pockets, the staple forming pockets having a curved length; and
a staple cartridge assembly having three circular rows of staple retaining slots corresponding to the rows of staple forming pockets, wherein one of the circular rows of staple retaining slots is nested with an adjacent row of staple retaining slots.
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Abstract
The present disclosure relates to an anvil assembly, an end effector and/or a surgical stapler suitable for performing curved or circular anastomosis and/or treatment to internal walls of hollow tissue organs wherein the anvil assembly includes an anvil center rod having a proximal end and a distal end, the center rod defining a central longitudinal axis; and an anvil head secured to the distal end of the anvil center rod. The anvil head includes an anvil plate defining a tissue contact surface; and a plurality of staple forming pockets formed in the tissue contact surface of the anvil plate, wherein each of the plurality of staple pockets defines an arcuate longitudinal axis.
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Citations
17 Claims
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1. A surgical stapler end effector, comprising:
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a circular anvil assembly having a center rod with a proximal end for connection to an approximation mechanism and a distal end attached to an anvil head, the anvil head having an anvil plate with a tissue contact surface, and at least two circular rows of staple forming pockets, the staple forming pockets having a curved length; and a staple cartridge assembly having three circular rows of staple retaining slots corresponding to the rows of staple forming pockets, wherein one of the circular rows of staple retaining slots is nested with an adjacent row of staple retaining slots. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification