Surgical knife with retractable and angularly adjustable blade

Details Surgical knife with retractable and angularly adjustable blade Surgical knife with retractable and angularly adjustable blade

1993-05-28

1995-07-11

Lewis, Ralph A.

Surgery

Instruments

Cutting, puncturing or piercing

30162, 30321, 606166, A61B 1732

Patent

active

054316715

ABSTRACT:
A surgical knife intended for use in ophthalmic surgery has a blade which is angularly adjustable with respect to the knife handle without requiring removal of the blade or adjustment of mechanical elements such as clamps, screws, levers, locks or the like. The blade can be retracted into the knife handle to protect the blade from damage between uses, and to protect against accidental cuts.

REFERENCES:
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patent: 3609864 (1971-10-01), Bassett
patent: 3922784 (1975-12-01), Prince et al.
patent: 4100677 (1978-07-01), Jeff
patent: 4499898 (1985-02-01), Knepshield et al.
patent: 4516575 (1985-05-01), Gerhard et al.
patent: 4672964 (1987-06-01), Dee et al.
patent: 4788976 (1988-12-01), Dee
patent: 4802279 (1989-02-01), Rowe
patent: 4898170 (1990-02-01), Hofmann et al.
patent: 5055106 (1991-10-01), Lungren

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