Stent lining
AssigneeSciMed Life Systems, Inc.
InventorsRonald A. Sahatjian, James J. Barry, Maria Palasis
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Abstract
The invention features a catheter assembly and methods for delivering a hydrogel-lined stent to a body lumen, and methods for lining a stent with a hydrogel. The assembly includes a catheter which has a balloon at least a portion of which is coated with a hydrogel and an expansible stent mounted on the balloon in a contracted condition for passage with the catheter to a site of a body. Expansion of the balloon lodges the stent in the body with hydrogel coated on the inner surfaces of the stent as a lining.
Claims39
A catheter assembly for delivering an expansible stent to a body lumen and lining said stent with a hydrogel, comprising
- (a) a catheter comprising a balloon at least a portion of which is coated with a hydrogel;
- and
- (b) said stent mounted on said balloon in a contracted condition for passage with said catheter into said body lumen whereby expansion of said balloon lodges said stent in said body lumen with a hydrogel coated on an inner surface of the stent.
A catheter assembly for delivering an expansible stent to a body lumen and lining said stent with a hydrogel, comprising
- (a) a catheter comprising a balloon and a delivery port for administering a hydrogel to an inner surface of said stent;
- and
- (b) said stent mounted on said balloon, said stent being in a contracted condition for passage with said catheter into said body lumen whereby expansion of said balloon lodges said stent in said body lumen, wherein said hydrogel is administered through said delivery port and deposited on an inner surface of said stent as a lining.
Dependencies are inferred from the claim text.