Optical device for an endoscope with bellows expansion compensat

Details Optical device for an endoscope with bellows expansion compensat Optical device for an endoscope with bellows expansion compensat

1976-06-23

1977-12-20

Henry, Jon W.

Surgery

Truss

Pad

128 4, G02B 700

Patent

active

040637964

ABSTRACT:
An optical device for an endoscope comprises inner and outer tubes of which the inner contains the optical system, a sleeve of wider internal diameter than the tubes, the sleeve being rigidly connected to the proximal end part of the outer tube and being connected to the inner tube, and means interposed in the connection between the inner tube and the sleeve for taking up relative longitudinal expansion therebetween.

REFERENCES:
patent: 2453862 (1948-11-01), Salisbury
patent: 3155761 (1964-11-01), Rubens et al.
patent: 3417745 (1968-12-01), Sheldon
patent: 3525331 (1970-08-01), Mori

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