Surgery – Instruments – Cutting – puncturing or piercing
Patent
1991-10-03
1993-05-18
Burr, Edgar S.
Surgery
Instruments
Cutting, puncturing or piercing
606206, A61F 514
Patent
active
052116522
ABSTRACT:
A retractable blade scalpel comprises a knife blade, a flexible envelope, and an elongated housing forming a blade containment area. When pressure is applied to the flexible envelope the knife blade is longitudinally displaced to a protruding usage position. The knife blade remains outside the housing as long as pressure is applied to the flexible envelope.
REFERENCES:
patent: 4760848 (1988-08-01), Hasson
Burr Edgar S.
Nguyen Anthony H.
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