Endoscope with a memory shape alloy to control tube bending

Details Endoscope with a memory shape alloy to control tube bending Endoscope with a memory shape alloy to control tube bending

1982-12-22

1986-07-22

Coven, Edward M.

Surgery

Truss

Perineal

A61B 106

Patent

active

046012834

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.

REFERENCES:
patent: 3452742 (1969-07-01), Muller
patent: 3890977 (1975-06-01), Wilson
patent: 4182547 (1980-01-01), Siegmund
patent: 4351323 (1982-09-01), Ouchi et al.

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