Dividable catheter

Details Dividable catheter Dividable catheter

1980-06-24

1983-09-06

Howell, Kyle L.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604164, 525931, A61M 2500

Patent

active

044026854

ABSTRACT:
A dividable short catheter tube made of a modifying polymer intermixed with, or inserted into, a base polymer. The modifying polymer is usually one which is incompatible with the base polymer.
The dividable short catheter tube is readily tearable longitudinally so that it can be removed from around a flexible catheter after the flexible catheter has been guided into a patient by means of the short catheter previously positioned in a body puncture.
The tube can be extruded from a mixture of the two polymers or it can be extruded with modifying polymer longitudinal strips in walls of the base polymer.

REFERENCES:
patent: T955009 (1977-02-01), Lansbury et al.
patent: 2227682 (1941-01-01), Wade
patent: 3618614 (1971-11-01), Flynn
patent: 3677243 (1972-07-01), Nerz
patent: 3877429 (1975-04-01), Rasumoff
patent: 3963026 (1976-06-01), Herb
patent: 3993718 (1976-11-01), Bontinck et al.
patent: 4033357 (1977-07-01), Helland et al.
patent: 4105732 (1978-08-01), Slingluff
patent: 4166469 (1979-09-01), Littleford
patent: 4182582 (1980-01-01), Youval
patent: 4225688 (1980-09-01), Dennehey et al.
patent: 4306562 (1981-12-01), Osborne

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