Patent US5236413B1 successfully refreshed from Google Patents.
US5236413B1
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US
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Method and apparatus for inducing the permeation of medication into internal tissue
Assignee: Individual
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Filing: 1990-05-07
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Granted: 1996-06-18
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Expires: 2010-05-07
Abstract
Abstract An apparatus is described for selectively inducing the permeation of a liquid to a region of a stenosis in a blood vessel in a patient's body. The apparatus includes an external electrode (13) for positioning outside the patient's body and a catheter (10) carrying an internal electrode (38) for positioning adjacent a stenosis in a blood vessel in the body. The apparatus includes means for inducing an electric field between the internal electrode (38) and the external electrode (13) which is pulsed in phase with the patient's cardiac rhythm. <IMAGE>
Inventors
- 👤 Andrew J Feiring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:35
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/10; A61M25/104; A61F; A61F11/00; A61M16/00; A61M16/04; A61M16/0434; A61M16/0436; A61M16/0438; A61M16/0475; A61M16/0477; A61M16/0481; A61N; A61N1/00; A61N1/18; A61N1/20; A61N1/30; A61N1/303; A61N1/306; A61M2025/1043; A61M2025/105; A61M37/00; A61M2037/0007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-06-18 | 1999-12-18 | 2000-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-06-18 | 2003-12-18 | 2004-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-06-18 | 2007-12-18 | 2008-06-18 | $7700.00 | Window Closed / Lapsed |