Sterilizable endoscope and method for constructing the same
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United States of America Patent
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-
Aug 22, 1995
Grant Date -
N/A
app pub date -
Oct 12, 1993
filing date -
Oct 12, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A gas sterilizable endoscope has a cannula having proximal and distal ends and a fiber optic imaging bundle disposed within the cannula. A first attachment, e.g., a first thermally curable epoxy bond, is formed at the proximal end of the cannula so as to attach the fiber optic imaging bundle to the cannula at the proximal end thereof. A second attachment, e.g., a second thermally curable epoxy bond, is formed at the distal end of the cannula so as to similarly attach the fiber optic imaging bundle to the cannula at the distal end thereof. A bow is formed in the fiber optic imaging bundle such that tensile stress formation in the fiber optic imaging bundle resulting from thermal expansion of the cannula during gas sterilization is mitigated.
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