Midcab retractor

Details Midcab retractor Midcab retractor

1997-05-01

1998-12-08

Hirsch, Paul J.

Surgery

Specula

Retractor

600222, 600232, A61B 1702

Patent

active

058461930

ABSTRACT:
An improved surgical retractor of the type that comprises a rack and pinion for moving an arm mount which supports the pinion and is moved when the pinion is turned, a hinge connecting the mount to an arm and a blade mount and a fixed arm mounted on the other end of the rack, a hinge connecting the mount to an arm and a blade mount wherein the improvement comprises a pair of opposed blade assemblies mounted on the respective blade mounts, said blade assemblies being so configured and constructed as to permit the respective blades to pivot independently of the blade mount and to be locked at an angle relative to each other and to the rack, is disclosed.

REFERENCES:
patent: 1401190 (1921-12-01), Risley
patent: 2751903 (1956-06-01), Ivory et al.
patent: 4239036 (1980-12-01), Krieger
patent: 4263899 (1981-04-01), Burgin
patent: 4726356 (1988-02-01), Santilli
patent: 4829985 (1989-05-01), Couetil
patent: 5052373 (1991-10-01), Michelson
patent: 5067477 (1991-11-01), Santangelo
patent: 5616117 (1997-04-01), Dinkler et al.

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