Endoscope device

Details Endoscope device Endoscope device

1991-12-24

1993-11-09

Apley, Richard J.

Surgery

Truss

Perineal

604271, A61B 100

Patent

active

052593649

ABSTRACT:
An endoscope device includes an endoscope tube having a forward head piece and a flexible eversion tube for moving the head piece into a channel-like body cavity by means of fluid pressure. The eversion tube has an outer portion; a turning portion engaging the head piece; and a rearwardly extending inner portion. A first fluid pressure is exerted in a space between the outer portion and the inner portion of the eversion tube, which space is sealed from ambient surroundings. A second fluid pressure is exerted in a space between the endoscope tube and a rearwardly extending inner portion of the eversion tube.

REFERENCES:
patent: 3982544 (1976-09-01), Dyck
patent: 4321915 (1982-03-01), Leighton et al.
patent: 4437857 (1984-03-01), Goldstein et al.
patent: 4615331 (1986-10-01), Kramann
patent: 5045070 (1991-09-01), Grodecki et al.

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