US5403340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shrinking balloon catheter having nonlinear compliance curve
Assignee: Boston Scientific Scimed Inc
•
Filing: 1994-05-18
•
Granted: 1995-04-04
•
Expires: 2014-05-18
Abstract
Abstract A balloon catheter, having a non-linear compliance curve, made up of a single layered balloon, that was molded from a polymeric material to have a specific nominal diameter and then shrunk to a diameter that is less than the specific nominal diameter. When the shrunk balloon is expanded it has the characteristics of a compliant balloon until its diameter has been expanded to its original specific nominal diameter after which it follows the non compliant compliance curve that it would have had it not been shrunk.
Inventors
- 👤 Lixiao Wang
- 👤 The Thomas T. Tran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:48
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/10; A61M25/1027; A61M25/1029; A61M25/104; B; B29; B29C; B29C49/00; B29C49/42; B29C49/78; B29C49/783; B29C2049/7831; B29C49/786; B29C2049/7864; B29C2049/78645; B29C2049/7879; B29C49/08; B29C49/087; B29C49/64; B29C49/6409; B29C49/6418; B29C49/64195; B29L; B29L2022/00; B29L2022/02; B29L2022/022; B29L2031/00; B29L2031/753; B29L2031/7542; Y; Y10; Y10S; Y10S264/00; Y10S264/909
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
108 words
A method of dilating a lesion in a blood vessel comprising the steps of: (a) locating an un-inflated single layered balloon that has a hybrid compliance curve in a blood vessel such that the un-inflated balloon crosses the lesion; (b) metering inflation fluid to the interior of the balloon, causing the diameter of the balloon to increase to a desired diameter along a high compliance portion of the hybrid compliance curve; (c) increasing the pressure being applied to the inflation fluid being metered to the interior of the balloon such that further increase in the balloon diameter will follow a low compliance portion of the hybrid compliance curve.
Claim 2
Independent Claim
108 words
A method of dilating a lesion in a blood vessel comprising the steps of: (a) locating an un-inflated single layered balloon that has a hybrid compliance curve in a blood vessel such that the un-inflated balloon crosses the lesion; (b) metering inflation fluid to the interior of the balloon, causing the diameter of the balloon to increase to a desired diameter along a high compliance portion of the hybrid compliance curve; (c) increasing the pressure being applied to the inflation fluid being metered to the interior of the balloon such that further increase in the balloon diameter will follow a low compliance portion of the hybrid compliance curve.
Claim 3
Dependent Claim
47 words
A process as in claim 1 wherein at least once prior to said step (b), inflation fluid has been metered into the balloon to inflate the balloon to a diameter along the high compliance portion of the hybrid compliance curve and then said balloon has been deflated.
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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) | 1998-04-03 | 1998-10-03 | 1999-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-04-03 | 2002-10-03 | 2003-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-04-03 | 2006-10-03 | 2007-04-04 | $7700.00 | Window Closed / Lapsed |