Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1998-09-30
2000-10-10
Coggins, Wynn Wood
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604104, 604265, A61M 2900
Patent
active
061297054
ABSTRACT:
A drug or gene therapy solution delivery system including a balloon catheter having a balloon associated with a distal end of the catheter, the balloon having an exterior surface and comprising: a plurality of microencapsulated spheres containing a drug or gene therapy solution, the microencapsulated spheres being disposed about the exterior surface of the balloon so as to rupture upon application of a predetermined pressure to the balloon. In one embodiment, the microencapsulated spheres are encapsulated in a coating applied to the exterior surface of the balloon. In another embodiment, the microencapsulated spheres are extruded in the balloon. In yet another embodiment, the invention provides a drug or gene therapy solution delivery system including a stent, the stent comprising: a plurality of microencapsulated spheres containing a drug or gene therapy solution delivery solution, the microencapsulated spheres being disposed about the exterior surface of the stent so as to rupture upon radial expansion of the stent by a predetermined amount.
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Coggins Wynn Wood
Medtronic Ave Inc.
Sirmons Kevin C.
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