US4633873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical repair mesh
Assignee: Covidien AG
•
Filing: 1984-04-26
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Granted: 1987-01-06
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Expires: 2004-04-26
Abstract
Abstract A mesh or fabric, having zero to variable stretch, is made from absorbable or partially absorbable fibers. The mesh or fabric can be either knitted or woven. The fabric is useful in surgical repair.
Inventors
- 👤 Barry L. Dumican
- 👤 Alan L. Kaganov
- 👤 Thomas A. Ritter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:12
CPC Classifications
A; A61; A61F; A61F13/00; D; D04; D04B; D04B21/00; A61F2/00; A61F2/0063; A61F2/02; A61L; A61L27/00; A61L31/00; A61L31/04; A61L31/041; A61L31/06; A61L31/14; A61L31/148; B; B29; B29D; B29D5/00; B29D5/04; D04B21/10; D04B21/12; A61F2210/00; A61F2210/0004; D10; D10B; D10B2509/00; D10B2509/08; Y; Y10; Y10S; Y10S425/00; Y10S425/814; Y10T; Y10T29/00; Y10T29/51; Y10T29/5101; Y10T29/53; Y10T29/53291; Y10T29/53304
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
39 words
A stretchable, non-heat set knitted surgical mesh comprising a plurality of filaments, each filament manufactured from a polymer having a glycolic acid ester linkage, said filaments bundled to twisted into a yarn, and said yarn knitted into a mesh.
Claim 2
Dependent Claim
39 words
A stretchable, non-heat set knitted surgical mesh comprising a plurality of filaments, each filament manufactured from a polymer having a glycolic acid ester linkage, said filaments bundled to twisted into a yarn, and said yarn knitted into a mesh.
Claim 3
Dependent Claim
12 words
A knitted mesh of claim 1 wherein said polymer is a homopolymer.
Claim 4
Dependent Claim
12 words
A knitted mesh of claim 1 wherein said polymer is a copolymer.
Claim 5
Dependent Claim
17 words
A knitted mesh of claim 3 wherein said polymer is manufactured from glycolide and from trimethylene carbonate.
Claim 6
Dependent Claim
29 words
A knitted mesh of claim 2 wherein said yarn is greater than about 60 denier and contains up to 4 plys, each ply having greater than about 25 filaments.
Claim 7
Dependent Claim
22 words
A knitted mesh of claim 4 wherein said yarn is about 65 to 85 denier and contains about 5 to 25 filaments.
Claim 8
Dependent Claim
28 words
A knitted mesh of claim 5 wherein said yarn is up to about 150 denier, and the total numbers of filaments per yarn is up to about 75.
Claim 9
Dependent Claim
44 words
A knitted mesh of claim 5 or 7 manufactured on a 14 gauge tricot knitting machine wherein the stitch design is ______________________________________
Front Bar (2/0 2/4) × 2
(4/6 4/2) × 2
and Back Bar (4/6 4/2) × 2
(2/0 2/4) × 2.
______________________________________
Claim 10
Dependent Claim
19 words
A knitted mesh of claim 8 wherein the weight of said mesh is about 4 to 10 oz./sq. yd.
Claim 11
Dependent Claim
21 words
A knitted mesh of claim 9 wherein the quality of said mesh is about 10 to 20 inches per 480 courses.
References Cited (Backward Citations)
US3124136A
Cited
US3463158A
Cited
US3875937A
Cited
US3797499A
Cited
US3736646A
Cited
US4520821A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-01-05 | 1990-07-07 | 1991-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-01-05 | 1994-07-07 | 1995-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-01-05 | 1998-07-07 | 1999-01-06 | $7700.00 | Window Closed / Lapsed |