Flow-directed catheter system and method of use

Details Flow-directed catheter system and method of use Flow-directed catheter system and method of use

1996-06-21

1999-05-04

Coggins, Wynn Wood

Surgery

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

Treating material introduced into or removed from body...

604280, A61M 500

Patent

active

058998900

ABSTRACT:
A flow-directed catheter comprises a catheter body having a relatively rigid proximal body segment and a relatively flexible, supple distal body segment. The distal body segment may have a reduced diameter relative to the proximal body segment, at least at its distal tip. Radiopaque markers are provided at the transition between the two body segments and at the tip of the catheter. The radiopaque markers are preferably recessed entirely within the catheter body. Optionally, the distal body segment may have surface irregularities which enhance the ability of the distal body segment to follow blood flow. A flow-directed catheter system comprises the catheter in combination with a coaxial sheath to selectively strengthen at least the proximal of the distal body segment. The catheter may be used for a variety of diagnostic and/or therapeutic procedures.

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