US5686090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-layered implant
Assignee: Ethicon Inc
•
Filing: 1995-12-11
•
Granted: 1997-11-11
•
Expires: 2015-12-11
Abstract
Abstract A multi-layered implant has at least two layers, of which at least two have a different porosity. A woven or knitted mesh, e.g., can be provided completely or partly with a porous fleece layer on one side or on both sides. The porosity can vary within a fleece layer. A layer of the multi-layered implant can also consist of a film. Resorbable and non-resorbable substances are considered as materials.
Inventors
- 👤 Lothar Schilder
- 👤 Hermann Dahlke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:17
CPC Classifications
A; A61; A61C; A61C8/00; A61C8/0003; A61C8/0004; A61C8/0006; A61F; A61F2/00; A61F2/0063; A61F2/02; A61L; A61L31/00; A61L31/04; A61L31/06; A61L31/14; A61L31/146; A61L31/148; A61F2/0077; A61F2002/0068; A61F2210/00; A61F2210/0004; A61F2250/00; A61F2250/0014; A61F2250/0023; A61F2250/003; A61F2250/0051
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
99 words
A surgical implant, consisting of: a woven mesh having a top side and a bottom side; and a porous fleece layer mounted to the top side of the mesh wherein said fleece has a porosity in the range of about 100 to about 1,000 liters/(m 2 s) gas low measured at an inlet pressure of 200 PA, a test surface of 50 cm 2 and a test thickness of 1 mm, wherein the woven mesh and porous fleece layer are made of a resorbable polymer selected from the group consisting of Polyglactin 910, Polydioxanone, Poliglecaprone 25 and combinations thereof.
Claim 2
Dependent Claim
99 words
A surgical implant, consisting of: a woven mesh having a top side and a bottom side; and a porous fleece layer mounted to the top side of the mesh wherein said fleece has a porosity in the range of about 100 to about 1,000 liters/(m 2 s) gas low measured at an inlet pressure of 200 PA, a test surface of 50 cm 2 and a test thickness of 1 mm, wherein the woven mesh and porous fleece layer are made of a resorbable polymer selected from the group consisting of Polyglactin 910, Polydioxanone, Poliglecaprone 25 and combinations thereof.
Claim 3
Dependent Claim
35 words
The implant of claim 1, wherein the fleece layer has a first zone having a porosity of 1000 l/m 2 s and a second adjacent peripheral zone having a porosity of 200 l/m 2 s.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-11-10 | 2001-05-12 | 2001-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-11-10 | 2005-05-12 | 2005-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-11-10 | 2009-05-12 | 2009-11-11 | $7700.00 | Window Closed / Lapsed |