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US 2013/0075444 A1Published application
Locking Articulation Mechanism for Surgical Stapler
AssigneeCovidien LP
InventorsKenneth M. Cappola, Paul Scirica, Patrick Mozdzierz, Frank Marini
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Abstract
A surgical stapler is provided and comprises a handle assembly, an elongated body, an articulable tool assembly, and an articulation mechanism. The articulation mechanism has: a main shaft member connected to an articulation linkage; a retainer having an opening for receiving a shaft portion of the main shaft member; a cam lock having cam locking surfaces and a locking tab; a locking cover defining recesses for receiving the locking tab; an articulation handle having cam surfaces configured to engage the cam locking surfaces of the cam lock.
Claims10
A surgical stapler, comprising:
- an elongated body;
- an articulable tool assembly;
- and
- an articulation mechanism having:
- a main shaft member connected to an articulation linkage, the articulation linkage extending through the elongated body;
- a retainer having an opening for receiving a shaft portion of the main shaft member;
- a cam lock having cam locking surfaces and a locking tab;
- a locking cover defining recesses for receiving the locking tab;
- a biasing member disposed between the retainer and the cam lock, the locking tab being biased toward the locking cover recesses;
- and
- an articulation handle having cam surfaces configured to engage the cam locking surfaces of the cam lock, the articulation handle being movable to move the articulation linkage.
8 more elements
Dependencies are inferred from the claim text.