Endoscope with a memory shape alloy to control tube bending
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United States of America Patent
Stats
-
Jul 22, 1986
Grant Date -
N/A
app pub date -
Dec 22, 1982
filing date -
Dec 7, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is an endoscope having a long flexible image guide, such as a colon endoscope, in which a shape memory alloy is built in a flexible tube in which the image guide is inserted. When the flexible tube is inserted in the deep portion of a complicatedly bent organ such as the colon, the flexible tube which is partially bent according to the bending of the colon or the like is straightened by utilizing the restoring property of the shape memory alloy to straighten the correspondingly bent portion of the colon or the like, whereby the flexible tube can easily be inserted in the complicatedly bent portion of the colon or the like while straightening this portion.
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