1981-01-05
1982-07-27
Michell, Robert W.
Surgery
Truss
Perineal
128 4, 12830315, 350 9626, 350 61, A61B 106
Patent
active
043412050
ABSTRACT:
An endoscope comprises a control section, an insertion section and a light guide cable both connected to the control section and provided with envelopes prepared from a heat-resistant and pressure-resistant material, a cavity extending throughout the insertion section, the control section and the light guide cable, and a protective liquid such as silicone oil whose volume little varies with pressure and temperature and which is filled in the cavity. The protective liquid supports in the cavity the envelopes of the insertion section and light guide cable which are exposed to a high pressure and temperature in an autoclave to prevent damage to the envelopes, thereby ensuring easy and reliable high pressure steam sterilization of the whole of the endoscope.
REFERENCES:
patent: 3552821 (1971-01-01), Cross
patent: 3592199 (1971-07-01), Ostensen
patent: 4063796 (1977-12-01), Hiltebrandt
patent: 4216767 (1980-08-01), Aoshiro
Hosono Saburo
Miyamoto Yoshihiko
Michell Robert W.
Olympus Optical Co,. Ltd.
Sykes Angela D.
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