Medical tube to be inserted in body cavity

Details Medical tube to be inserted in body cavity Medical tube to be inserted in body cavity

1987-03-09

1989-01-24

Grieb, William H.

Surgery

Truss

Perineal

604281, 604291, A61B 100, A61M 2500

Patent

active

047994746

ABSTRACT:
A medical tube is used in an insertion portion of an endoscope and is inserted in a body cavity. The medical tube includes an outer tube having a front section, and a drive member arranged at the front section of the outer tube and having an elongated shape memory alloy adapted to have a transformation temperature such that a memorized shape is restored at the temperature higher than a temperature of heat applied to the shape memory alloy during sterilization of the medical tube.

REFERENCES:
patent: 2124831 (1938-07-01), Roos
patent: 3558369 (1971-01-01), Wang et al.
patent: 3890977 (1975-06-01), Wilson
patent: 4427000 (1984-01-01), Ueda
patent: 4601283 (1986-07-01), Chikama

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