Catheter systems

Details Catheter systems Catheter systems

1983-03-07

1986-04-08

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604102, A61M 2900

Patent

active

045810176

ABSTRACT:
Catheter systems provide blood flow paths past a stenotic region of a blood vessel receiving treatment to restore acceptable blood flow. A catheter includes distal and proximal side orifices into a main lumen to provide a blood flow path through the catheter across the stenosis. A segmented or lobed balloon forms blood flow passages between the catheter and blood vessel wall to provide blood flow past the stenosis while the balloon is inflated. Superselective catheter systems provide means for inserting a catheter into coronary arteries remote from the aorta.

REFERENCES:
patent: 2930377 (1960-03-01), Cowley
patent: 3889686 (1975-06-01), Duturbure
patent: 4040413 (1977-08-01), Ohshiro
patent: 4233983 (1980-11-01), Rocco
patent: 4329993 (1982-05-01), Lieber et al.
patent: 4423725 (1984-01-01), Baran et al.
Bourassa Cardiovascular Catheters 6-1972 (4 pages).
A New Catheter System for Coronary Angioplasty, The American Journal of Cardiology, vol. 49, pp. 1216-1222, Apr. 1, 1982.

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