Surgical compression forceps

Details Surgical compression forceps Surgical compression forceps

1992-07-31

1994-02-08

Aschenbrenner, Peter A.

Surgery

Instruments

Forceps

81381, A61B 1728

Patent

active

052844870

ABSTRACT:
A compression forceps with four bar linkage is formed of a stationary handle and jaw connected by a shank area; a moveable jaw; a moveable handle having the approximate shape of a bell crank with major and minor arms; and a connecting link member having first and second opposite ends. The four links are joined at pivots, with a first pivot connecting the major and minor arms of the moveable handle to the rear end of the shank area of the stationary handle and jaw. A second pivot connects the free end of the minor arm to a rear end of the moveable jaw. A third pivot connects a first end of the link to the front end of the shank area of the stationary handle and jaw. A fourth pivot connects the second end of the link to a middle area of the moveable jaw. The compound linkage thus formed operates the jaws with an increase of the relative inside angle between the jaws as the jaws close.

REFERENCES:
patent: 1151772 (1915-08-01), Erickson
patent: 1219726 (1917-03-01), Grey
patent: 1448238 (1923-03-01), Scmitz
patent: 1497696 (1924-06-01), Arbogast
patent: 1541248 (1925-06-01), Carlson
patent: 1866771 (1932-07-01), Johnson
patent: 1935009 (1933-11-01), Bluhm
patent: 2167599 (1939-07-01), Yanits
patent: 2198953 (1940-04-01), Slaughterback

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