Autoclavable endoscope

Details Autoclavable endoscope Autoclavable endoscope

2006-02-14

2006-02-14

Flanagan, Beverly M. (Department: 3739)

Surgery

Endoscope

Sterilizable

C600S129000

Reexamination Certificate

active

06997868

ABSTRACT:
An autoclavable endoscope, such as the type used in ophthalmological operations, has a probe that contains optical fiber guides such as an image guide, a laser guide and an illumination guide. The distal end of these guides are sealed to the distal end of the probe with a high temperature medical grade epoxy. The epoxy is selected to retain its structural and optical properties at autoclaving conditions. A preshrunk flexible plastic jacket extends proximal of the handle around the three guides. Because it is preshrunk at autoclavable temperatures, it is not further damaged during autoclaving. The epoxies used proximal to the probe have to be high temperature epoxies but are generally preferably a more flexible urethane type epoxy. Proximal connectors and ferule for the guides are selected metals to retain size and/or conduct heat.

REFERENCES:
patent: 5121740 (1992-06-01), Uram
patent: 5443057 (1995-08-01), Elmore
patent: 5810713 (1998-09-01), Rondeau et al.
patent: 6572536 (2003-06-01), Bon et al.

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