Operating stage

Details Operating stage Operating stage

1998-05-13

1999-01-12

Hirsch, Paul J.

Surgery

Specula

Retractor

600208, A61B 1702

Patent

active

058579656

ABSTRACT:
An operating stage is formed by a rigid ring and is provided with a resilient wedge forming helically wound spring that forms a plurality of resilient pressure applying, suture gripping wedging clamps around the stage and positioned adjacent to the bottom outside corner of the stage.

REFERENCES:
patent: 1839726 (1932-01-01), Arnold
patent: 2013892 (1935-09-01), Lucas
patent: 2845925 (1958-08-01), Jayle
patent: 3970075 (1976-07-01), Sindelar et al.
patent: 4274398 (1981-06-01), Scott, Jr.
patent: 4430991 (1984-02-01), Darnell
patent: 4434791 (1984-03-01), Darnell
patent: 4457300 (1984-07-01), Budde
patent: 4510926 (1985-04-01), Inaba
patent: 4798195 (1989-01-01), Seare, Jr.

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