1980-10-20
1982-06-29
Yasko, John D.
Surgery
Truss
Perineal
128348, A61B 100
Patent
active
043367941
ABSTRACT:
The present invention discloses herewith guide tube with favorable flexibility and water-tightness. A water-tight coating is provided on at least one side of the inner and exterior surface of a porous tube which bends continuously keeping its tubular shape. By these provisions, a guide tube is obtained which is easily inserted with an endoscope into a body cavity or is smoothly inserted into bronchia as an anesthetic tube.
REFERENCES:
patent: 2112737 (1938-03-01), Dodge
patent: 3094762 (1963-06-01), Jackel
patent: 3106483 (1963-10-01), Kline et al.
Machida Endoscope Co., Ltd.
Yasko John D.
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