Retractable-bladed knife

Details Retractable-bladed knife Retractable-bladed knife

1994-10-12

1996-01-09

Payer, Hwei Siu

Cutlery

Sheathed

Sliding blade

30335, 606167, A61B 1732

Patent

active

054818044

ABSTRACT:
A lightweight, slender knife having a replaceable, retractable cutting blade, which may be locked either in the operating or deployed position, or in a retracted or safety position, by using a single digit on one hand, is described. Safety of hospital personnel and medical waste-disposal personnel is achieved in the surgical scalpel embodiment of the present knife without loss of function or convenience of the scalpel. An automatically retracting embodiment of the knife is also described.

REFERENCES:
patent: 3577637 (1971-05-01), Braginetz
patent: 4139939 (1979-02-01), Crooks
patent: 4242795 (1981-01-01), Rollband et al.
patent: 4621425 (1986-11-01), Stoutenberg
patent: 5207696 (1993-05-01), Matwijcow
patent: 5330493 (1994-07-01), Haining

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