1980-10-23
1983-09-20
Kamm, Wm. E.
Surgery
Truss
Perineal
A61B 100
Patent
active
044049633
ABSTRACT:
An endoscope comprises an internal space extending through the substantially whole length of the endoscope, at least one cylindrical end portion which is connected to the endoscope and provided with an air port open to the outside of the endoscope, only through which the internal space communicates with the open air, and a fluid-proof cap one end of which is open for insertion of the cylindrical end portion and the other end of which is closed, whose inner peripheral wall is shaped complementary to the outer peripheral wall of the cylindrical end portion, and which is provided with an O-ring disposed in the inner peripheral wall to seal in a fluid-tight state between the outer peripheral wall of the cylindrical end portion and the inner peripheral wall of the cap, and also provided with a fitting mechanism for detachably connecting the cap to the cylindrical end portion. Where the cylindrical end portion of the endoscope is pushed into the cap, the cylindrical end portion is sealed in a fluid-tight state. At this time, air held in the internal space of the endoscope is more compressed. When, therefore, fine holes or cracks are produced in the endoscope, the compressed air prevents a washing or disinfecting liquid from being carried into the internal space of the endoscope. Further where the endoscope is dipped in the water, generation of air bubbles in the water informs the operator of the presence of such defective parts as well as the locations thereof.
REFERENCES:
patent: 4209228 (1980-06-01), Chikama
patent: 4216767 (1980-08-01), Aoshiro
patent: 4241729 (1980-12-01), Aoshiro
patent: 4258721 (1981-03-01), Parent et al.
Hindenburg Max F.
Kamm Wm. E.
Olympus Optical Co,. Ltd.
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