Catheter sleeve for use with a balloon catheter

Details Catheter sleeve for use with a balloon catheter Catheter sleeve for use with a balloon catheter

1997-05-30

1999-03-02

McDermott, Corrine M.

Surgery

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

Treating material introduced into or removed from body...

606194, A61M 2900

Patent

active

058763740

ABSTRACT:
A balloon catheter assembly (2) includes a catheter (8) having a catheter shaft (10) with a balloon (12) at its distal end. A sleeve assembly (16) has a diametrically expanding balloon enlargement sleeve (18) at its distal end sized to be positionable over the balloon when the balloon is deflated. The enlargement sleeve can expand from a relaxed condition, at which it is placed over the deflated balloon, to an expanded condition surrounding the fully inflated balloon. The enlargement sleeve is sufficiently thick when expanded for an enlarged dilatation of the vessel when the balloon is reinflated. The enlargement sleeve can be made of elastic or substantially inelastic material; it can also include a porous matrix material with a drug interspersed therein so the drug is applied topically when the vessel is redilated.

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