Endoscope with a tube for a medical treating instrument

Details Endoscope with a tube for a medical treating instrument Endoscope with a tube for a medical treating instrument

1974-08-26

1976-06-01

Michell, Robert W.

Surgery

Truss

Perineal

A61B 100

Patent

active

039601439

ABSTRACT:
An endoscope is equipped with a tube consisting of at least two layers and having a passage through which forceps or catheter is inserted. One layer constituting an inner layer is made of a relatively rigid material whose frictional coefficient is small. The other layer constituting an outer layer is made of a flexible or pliable material and is thicker than the inner layer.

REFERENCES:
patent: 3144020 (1964-08-01), Zingale
patent: 3561432 (1971-02-01), Yamaki et al.
patent: 3670721 (1972-06-01), Fukama et al.

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