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

1984-11-29

1985-09-03

Little, Willis

Geometrical instruments

Area integrators

Electrical

33180R, 33DIG8, B27G 2300

Patent

active

045383561

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: 3315368 (1967-04-01), Duby
patent: 3323221 (1967-06-01), Koch
patent: 3423837 (1969-01-01), Euverard
patent: 3608886 (1971-09-01), Greene
patent: 3693682 (1972-09-01), Hasfjord

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