Evagination catheters

Details Evagination catheters Evagination catheters

1976-07-19

1978-08-29

Truluck, Dalton L.

Surgery

Truss

Pad

128262, A61M 2500

Patent

active

041096592

ABSTRACT:
Urinary evagination catheters comprising a rigid tube and a flexible invaginated hose are provided with a novel stopper arrangement in the ported distal end of the hose that remains closed until the hose is fully everted from the tube at which point it automatically opens to permit fluid flow through the catheter. This eliminates the need for a push rod or the like to evert the hose and permits it to be everted simply by fluid pressure applied to the proximal end of the catheter. Methods for producing the new catheters are described.

REFERENCES:
patent: 3502069 (1970-03-01), Silverman
patent: 3982544 (1976-09-01), Dyck
patent: 4043345 (1977-08-01), Kramann et al.

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