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US 10,646,222 B2Granted
Interlock assemblies for replaceable loading unit
AssigneeCovidien LP
InventorsChristopher Penna, Patrick Mozdzierz, Paul Scirica, Justin Williams
Life of this patent
Estimating the term…
Abstract
Interlock assemblies for attaching a loading unit to a surgical stapling instrument are provided. The interlock assemblies are formed on a proximal end of a shell member and on a distal end of an adapter assembly. The interlock assemblies may include a collar member for selectively securing the shell member to the adapter assembly. The collar member may be mounted on the shell member or on the adapter assembly.
Claims8
An interlock assembly for attaching a loading unit to a surgical stapling instrument, the interlock assembly comprising:
- a shell member having a proximal end including a first cylindrical portion and a second cylindrical portion and a distal end supporting a staple cartridge defining a plurality of staple retaining slots arranged in a pair of concentric rows;
- a collar member received about the first and second cylindrical portion and moveable between a locked position and an unlocked position, the collar member defining a plurality of slots;
- and
- an adapter assembly including a distal end selectively securable to the proximal end of the shell member, the adapter assembly including a plurality of lugs selectively receivable within the plurality of slots when the collar member is in the unlocked position and secured within the slots when the collar member is in the locked position.
1 more element
Dependencies are inferred from the claim text.