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US 5,630,539 AGranted
Laparoscopic stapler with overload sensor and interlock
AssigneeUnited States Surgical Corporation
InventorsAlan K. Plyley, Claude A. Vidal, Roger Lagerquist
Life of this patent
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Abstract
A surgical stapler with an overload sensor and lockout is disclosed. The surgical stapler is particularly useful in laparoscopic surgical procedures.
Claims9
A surgical stapler comprising:
- (a) a housing;
- (b) an elongated shaft, defining a longitudinal axis, mounted to said housing;
- (c) first and second jaws mounted with respect to said elongated shaft, said first and second jaws being movable with respect to each other so as to receive tissue therebetween;
- (d) an approximating handle movably mounted with respect to said housing;
- and
- (e) an assembly having proximal and distal ends and an intermediate portion, said assembly movably mounted with respect to said elongated shaft and operatively connected to said approximating handle at said intermediate portion and to at least one of said first and second jaws at said distal end, said intermediate portion adapted to move inwardly with respect to said longitudinal axis to a first position and further adapted to move to a second position longitudinally offset from said first position in response to a preselected stimulus exerted on at least one of said first and second jaws.
3 more elements
Dependencies are inferred from the claim text.