Surgery – Instruments – Cutting – puncturing or piercing
Patent
1993-12-20
1995-05-23
Pellegrino, Stephen C.
Surgery
Instruments
Cutting, puncturing or piercing
30162, 30335, A61B 1732
Patent
active
054177049
ABSTRACT:
A scalpel including an elongated handle having an engaging surface located on the handle, a blade carried by the handle adjacent one end thereof and a guard movably mounted to the handle for sliding movement relative to the handle between a protective position covering the blade and a retracted position exposing the blade for use. The guard includes side members extending downwardly from an upper surface. The side members are positioned adjacent opposite sides of the handle and the resiliency of the guard forces the inner surfaces of the side members into engagement with the engaging surface of the handle. The guard is movably along the engaging surface in response to sliding movement of the guard relative to the handle. In a further form, the guard is slidable into a permanently locked position relative to the handle, thereby preventing reuse of the scalpel and inadvertent exposure of the blade. In yet a further form, a locking means requires a force substantially perpendicular to the axis of motion of the guard to release the guard from the temporary protective position.
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American Safety Razor Company
Lewis William W.
Pellegrino Stephen C.
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