Optical instrument including a focusing eyepiece and an endoscop

Details Optical instrument including a focusing eyepiece and an endoscop Optical instrument including a focusing eyepiece and an endoscop

1983-05-17

1986-02-11

Coven, Edward M.

Surgery

Truss

Perineal

A61B 100

Patent

active

045693331

ABSTRACT:
An optical instrument comprising in the observation device thereof a seal (12) between its cylindrical body (3) and its sleeve (76) as well as sealing coupling means (15, 16, 17, 18) between its body and its first support (4), between the sleeve and the second support (8) and between the lenses (6, 10) and their respective supports; and the observation device and the endoscope (2) are further joined together by complementary assembly means formed by a male member (19) and a female member (20) between which is disposed a seal (21).

REFERENCES:
patent: 2990830 (1961-07-01), Hett
patent: 3089484 (1963-05-01), Hett
patent: 3494353 (1970-02-01), Yokota et al.
patent: 3788303 (1974-01-01), Hall
patent: 3947088 (1976-03-01), French
patent: 4011017 (1977-03-01), Feverstein et al.
patent: 4072396 (1978-02-01), Ross
patent: 4076018 (1978-02-01), Heckele
patent: 4141636 (1979-02-01), Shimojima
patent: 4253448 (1981-03-01), Terada

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