Endoscope

Details Endoscope Endoscope

2005-08-02

2005-08-02

Flanagan, Beverly M. (Department: 3739)

Surgery

Endoscope

Sterilizable

C600S109000, C600S177000

Reexamination Certificate

active

06923758

ABSTRACT:
An illuminational optical system and an observational optical system mounted to lens frames are arranged at the tip part of an insertion portion. The observational optical system has resistance to high-temperature steam sterilization, and is sealed steam-tight in order to avoid entering of steam into the inside. On the other hand, the illuminational optical system is sealed liquid-tight with an adhesive, and even when steam enters into the inside, the entered steam can be discharged by the heat accompanying illumination light during an endoscope inspection. Consequently, cost reduction can be achieved and repairability, etc., can be ensured with almost no degradation in observation performance.

REFERENCES:
patent: 6767322 (2004-07-01), Futatsugi et al.
patent: 2000-135196 (2000-05-01), None
patent: 2000-342512 (2000-12-01), None

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