Tubular flexible medical instrument

Details Tubular flexible medical instrument Tubular flexible medical instrument

1978-03-31

1981-07-28

Michell, Robert W.

Surgery

Truss

Pad

128DIG21, A61M 2500

Patent

active

042805007

ABSTRACT:
A tubular flexible medical instrument of polytetrafluoroethylene capable of easy insertion into and extraction from body cavities. The tube has alternate solid portions and porous fibrillated portions in either a ring or spiral mode. Such a tube has sufficient rigidity to ensure easy penetration of the body cavities and yet the necessary flexibility to permit movement without damage to the cavities and with less pain to the patient.

REFERENCES:
patent: 3094762 (1963-06-01), Jeckel
patent: 3839240 (1974-10-01), Zimmerman
patent: 3953566 (1976-04-01), Gore
patent: 4049589 (1977-09-01), Sakane
patent: 4134958 (1979-01-01), Dunichey et al.

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