Surgical instrument

Details Surgical instrument Surgical instrument

1998-07-15

1999-02-09

Hirsch, Paul J.

Surgery

Specula

Retractor

600221, A61B 132

Patent

active

058686681

ABSTRACT:
A surgical instrument having a handle having a first blade fixed thereto and extending outwardly therefrom. A blade housing is pivotally mounted to the handle having a second blade fixed thereto spaced from the first blade and extending outwardly therefrom. A pair of levers are pivotally mounted to the handle, each of the levers having a blade normally disposed adjacent each other and between the first and second blades. The blade housing has an open area therethrough whereby, when the first blade is pivoted away from the second blade, the blades on the levers move apart from each other to a position generally vertical with respect to the first and second blades and a surgical instrument can be inserted through the open area between the spread apart blades.

REFERENCES:
patent: 430350 (1890-06-01), McCully et al.
patent: 2374863 (1945-05-01), Guttman
patent: 2545201 (1951-03-01), Gilbert
patent: 4385626 (1983-05-01), Danz
patent: 4971036 (1990-11-01), Collins
patent: 5063908 (1991-11-01), Collins
patent: 5499964 (1996-03-01), Beck et al.

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