Catheter

Details Catheter Catheter

1987-04-17

1989-11-21

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

A61M 2500

Patent

active

048827770

ABSTRACT:
An improved catheter construction having a distal end and a proximal end, with a tip disposed at the distal end, the catheter having a complex "multi-planar" curvature to automatically position the distal end at a desired internal location within a biological subject, the catheter being formed of a resilient material having a memory, enabling deformation from and subsequent automatic return to the predetermined shape. Torque applied to the proximal end of the catheter, about the longitudinal axis of the catheter, passively affixes the distal end to the desired internal location.

REFERENCES:
patent: 3516412 (1970-06-01), Ackerman
patent: 4117836 (1978-10-01), Erikson
patent: 4135518 (1979-01-01), Dutcher
patent: 4169464 (1979-10-01), Obrez
patent: 4508535 (1985-04-01), Joh et al.
patent: 4641649 (1987-02-01), Walinsky et al.
"Introducing: A New Decor.RTM. Brachial--Coronary Anglographic Catheter", by Cordis Corporation, P.O. Box 428, Miami, Florida, 33137, 1973.
"A Decor.RTM. Coronary Bypass Angiographic Catheter", by Cordis Corporation, P.O. Box 428, Miami Florida, 33137, 1974.

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