Bail-out catheter

Details Bail-out catheter Bail-out catheter

1987-02-09

1988-09-27

Truluck, Dalton L.

Surgery

Truss

Pad

604264, A61M 2500

Patent

active

047734329

ABSTRACT:
A catheter for maintaining the patency of a blood vessel damaged during the course of angiography or angioplasty procedures comprising a toroidal coil whose adjacent turns are tightly wound and in contact with one another over a majority of the length thereof but which are separated from one another over a predetermined longitudinal dimension near the distal end thereof. The tightly wound touching coils may be covered with a Teflon coating and when the catheter must be used to maintain patency in a coronary artery, it is advanced along the guide wire of an angiography or angioplasty catheter until the open turn portion of the bail-out catheter bridges the site of the damaged vessel. After the angiographic or angioplasty catheter and its guide wire are removed, the bail-out catheter remains in position so that blood can flow through the open turns of that catheter and beyond until such time as surgical repair can be made.

REFERENCES:
patent: 399540 (1889-03-01), Lee
patent: 1667443 (1928-04-01), Simonsen
patent: 3841308 (1974-10-01), Tate
patent: 4080706 (1978-03-01), Heilman et al.
patent: 4279252 (1981-07-01), Martin
patent: 4577637 (1986-03-01), Mueller

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