Endoscope with closed pressurized inner cavity

Details Endoscope with closed pressurized inner cavity Endoscope with closed pressurized inner cavity

1978-02-15

1980-08-12

Michell, Robert W.

Surgery

Truss

Perineal

350 61, 422 33, 134171, 134 94, A61B 106

Patent

active

042167671

ABSTRACT:
An endoscope comprising one or plural fluid inlets at the grip end of the endoscope or at the feeding pipe which contains an air-feeding pipe and a light-transmitting optical fiber.
For washing and sterilization of endoscope which does not have a water-proof structure, compressed air or liquid is infused through the fluid inlet, raising the inner pressure of the endoscope to prevent the permeation of the cleanser and disinfectant into the innerside of the endoscope.
For washing and sterilization of an endoscope which has a water-proof structure, the compressed air or the liquid is infused through the fluid inlet to detect a pin hole on the surface of a flexible sheath.

REFERENCES:
patent: 1335073 (1920-03-01), Osborn
patent: 1345406 (1920-07-01), Rimmer
patent: 2667813 (1954-02-01), MacGill
patent: 2761311 (1956-09-01), Baker
patent: 3057345 (1962-10-01), Ferris et al.
patent: 3081767 (1963-03-01), Hett
patent: 3417745 (1968-12-01), Sheldon
patent: 3425419 (1969-02-01), Dato
patent: 3726272 (1973-04-01), Fukami et al.
patent: 3963438 (1976-06-01), Banez
patent: 3995934 (1976-12-01), Nath
patent: 4064886 (1977-12-01), Heckele

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