US5968092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making a biodegradable stent
Assignee: Boston Scientific Corp
•
Filing: 1998-05-22
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Granted: 1999-10-19
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Expires: 2018-05-22
Abstract
Abstract A method for making a biodegradable stent for insertion into a lumen, the method involves the casting of a film including a matrix of collagen IV and laminin, drying the film, casting a film containing polylactic acid onto the first dried film to form stent material, drying the material formed and forming the biodegradable material into a stent.
Inventors
- 👤 Paul J. Buscemi
- 👤 Elizabeth A. Stejskal
- 👤 II Donald F. Palme
- 👤 Lixiao Wang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:09
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/82; A61F2/86; A61F2/88; A61L; A61L31/00; A61L31/04; A61L31/041; A61L31/043; A61L31/044; A61L31/047; A61L31/14; A61L31/148; A61L31/16; A61F2/95; A61F2/958; A61F2210/00; A61F2210/0004; A61F2210/0014; A61F2210/0023; A61F2250/00; A61F2250/0058; A61F2250/0067; A61F2250/0068; A61L2300/00; A61L2300/40; A61L2300/42; A61L2300/60; A61L2300/602; A61L2300/604; A61L2300/606; A61L2300/62; A61L2300/622; Y; Y10; Y10S; Y10S623/00; Y10S623/901
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
73 words
A method for making a biodegradable stent for insertion into a lumen of a vessel of a living being, comprising: casting a film that includes a matrix of collagen IV and laminin; drying the film; casting a film that includes polylactic acid onto the dried film that includes the matrix of collagen IV and laminin to form a stent material; drying the stent material; and forming the stent material into the biodegradable stent.
Claim 2
Independent Claim
73 words
A method for making a biodegradable stent for insertion into a lumen of a vessel of a living being, comprising: casting a film that includes a matrix of collagen IV and laminin; drying the film; casting a film that includes polylactic acid onto the dried film that includes the matrix of collagen IV and laminin to form a stent material; drying the stent material; and forming the stent material into the biodegradable stent.
Claim 3
Dependent Claim
37 words
The method of claim 1 and further including plasma treating the film including the matrix of collagen IV and laminin after drying the film and before casting the film that includes polylactic acid onto the dried film.
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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) | 2002-10-18 | 2003-04-19 | 2003-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-10-18 | 2007-04-19 | 2007-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-10-18 | 2011-04-19 | 2011-10-19 | $7700.00 | Window Closed / Lapsed |