发明名称 |
TRIGGERED RELEASE DRUG DELIVERY SYSTEM |
摘要 |
This invention features a method for triggering release of a drug from a hydrogel polymer (55) to tissue at a desired location of the body using a catheter. A portion of the catheter (51) is coated on its outer surface with a polymer (55) having the capacity to incorporate a predetermined substantial amount of drug which is immobilized in the polymer until released by a triggering agent or condition that is different from physiological conditions. Upon contact with a triggering agent or condition, the polymer reacts, e.g., swells or contracts such that the drug is delivered to the desired body tissue. A balloon catheter (51) is shown in which the hydrogel (55) is carried on the exterior surface of the balloon (54). |
申请公布号 |
WO9639949(A1) |
申请公布日期 |
1996.12.19 |
申请号 |
WO1996US10259 |
申请日期 |
1996.06.06 |
申请人 |
BOSTON SCIENTIFIC CORPORATION |
发明人 |
ROSENTHAL, ARTHUR;BARRY, JAMES, J.;SAHATJIAN, RONALD |
分类号 |
A61M31/00;A61F2/00;A61F2/90;A61L29/08;A61L29/14;A61L29/16;A61L31/10;A61L31/14;A61L31/16;A61M16/04;A61M25/00;A61M29/02;A61M37/00;(IPC1-7):A61B17/06;A61M29/00;A61M5/32;A61B19/02 |
主分类号 |
A61M31/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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