Surgical knife with controllably extendable blade and gauge ther

Details Surgical knife with controllably extendable blade and gauge ther Surgical knife with controllably extendable blade and gauge ther

1982-08-23

1985-02-19

Rosenbaum, C. Fred

Surgery

Truss

Pad

30320, 30338, A61B 1732, B26B 108

Patent

active

044998988

ABSTRACT:
Surgical knife with controllably extendable blade, the blade retained by a blade holder extending through an axial opening in the knife body and connected with a member threadedly retained within the knife body for axial adjustment and also connected to an adjustment knob at the rear end of the knife. Another feature of the knife is a foot configuration which facilitates precise use and control of the knife. Preferably the invention also comprises the knife, as disclosed, in combination with a gauge for visually inspecting blade projection, the gauge indicator consisting of a pair of eccentric circles or portions thereof, the blade projection being measured by comparison with the radial distance between the two circles.

REFERENCES:
patent: 1195169 (1916-07-01), Adcock
patent: 2376187 (1945-05-01), Reiter
patent: 2601402 (1952-06-01), Krause et al.
patent: 3945117 (1976-03-01), Beaver
patent: 3967377 (1976-07-01), Wells
patent: 3977077 (1976-08-01), Rebold
patent: 4324044 (1982-04-01), Shahinian, Jr.
patent: 4473076 (1984-09-01), Williams et al.
Micra North America, "New Radial Keratotomy Diamond Knife".

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