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US 8,573,464 B2Granted
Circular stapling instrument having a breakaway washer attachment member
AssigneeEthicon Endo-Surgery, Inc.
InventorsAnil K. Nalagatla, Michael L. Kruszynski, Thomas E. Adams
Life of this patent
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Abstract
A stapling cartridge assembly for a circular stapling instrument includes a casing, a staple driver, and a blade. The staple driver is receivable within the casing and configured to move within the casing from a pre-fired position to a fired position. The blade is attachable to the staple driver. The blade includes a cutting edge and a breakaway washer attachment member for fixedly attaching to a breakaway washer when the staple driver is moved from the pre-fired position to the fired position.
Claims6
A stapling cartridge assembly for a circular stapling instrument comprising:
- a casing;
- a staple driver receivable within said casing and configured to move within said casing from a pre-fired position to a fired position;
- and
- a blade attachable to said staple driver, wherein said blade comprises a cutting edge and a breakaway washer attachment member for fixedly attaching to a breakaway washer, when the staple driver is moved from the pre-fired position to the fired position, so that the breakaway washer moves with the breakaway washer attachment member due to the fixed attachment of the breakaway washer attachment member to the breakaway washer.
1 more element
Dependencies are inferred from the claim text.