Vascular catheters

Details Vascular catheters Vascular catheters

1988-07-18

1990-12-11

Pellegrino, Stephen C.

Surgery

Instruments

Internal pressure applicator

604 95, 604 96, A61M 2902

Patent

active

049767208

ABSTRACT:
The invention is directed to a very low-profile dilatation catheter having an inner tubular member with an inner lumen with a diameter of not more than 0.003 inch (0.076 mm) greater than the diameter of a guidewire disposed therein. Preferably, the inner diameter of the tubular member is less than 0.015 inch (0.381 mm). The inner member may be formed of a thin-walled tubing such as polyimide tubing having a wall thickness less than 0.003 inch (0.076 mm). Polyimide tubing is also preferably employed as the tubular member in low-profile steerable dilatation catheters wherein the guide elements thereof are fixed within the catheter.

REFERENCES:
patent: 4538622 (1985-09-01), Samson et al.
patent: 4582181 (1986-04-01), Samson
patent: 4616653 (1986-10-01), Samson et al.
patent: 4641654 (1987-02-01), Samson et al.
patent: 4646742 (1987-03-01), Packard et al.
patent: 4771778 (1988-09-01), Mar
patent: 4793350 (1988-12-01), Mar et al.

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