US5569273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical mesh fabric
Assignee: CR Bard Inc
•
Filing: 1995-07-13
•
Granted: 1996-10-29
•
Expires: 2015-07-13
Abstract
Abstract A dual bar warp knit, hexagonal mesh fabric for use in hernia repair and to mend other muscle and tissue wall defects, produced according to a back bar pattern chain of 2/0 2/4 2/0 4/6 4/6 and a front bar pattern chain of 4/6 4/2 4/6 2/0 2/4 2/0.
Inventors
- 👤 Milo A. Titone
- 👤 Fred D. Herzog
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:20
CPC Classifications
D; D04; D04B; D04B21/00; D04B21/10; D04B21/12; A; A61; A61F; A61F2/00; A61F2/0063; A61F2002/0068; A61F2/02; A61F2/30; A61F2002/30001; A61F2002/30108; A61F2002/3011; A61F2002/30112; A61F2002/30113; A61F2002/30138; A61F2002/30143; A61F2002/30148; A61F2002/30154; A61F2230/00; A61F2230/0002; A61F2230/0004; A61F2230/0006; A61F2230/0017; A61F2230/0021; D10; D10B; D10B2509/00; D10B2509/02; D10B2509/08; Y; Y10; Y10T; Y10T442/00; Y10T442/10
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
51 words
As a prosthetic for repairing living animal tissue, body wall or muscle defects, a biologically compatible, implantable dual bar warp knit, hexagonal mesh produced according to a back bar pattern chain of 2/0 2/4 2/0 4/6 4/2 4/6 and a front bar pattern chain of 4/6 4/2 4/6 2/0 2/4 2/0.
Claim 2
Dependent Claim
51 words
As a prosthetic for repairing living animal tissue, body wall or muscle defects, a biologically compatible, implantable dual bar warp knit, hexagonal mesh produced according to a back bar pattern chain of 2/0 2/4 2/0 4/6 4/2 4/6 and a front bar pattern chain of 4/6 4/2 4/6 2/0 2/4 2/0.
Claim 3
Dependent Claim
17 words
The implantable dual bar warp knit, hexagonal mesh recited in claim 1 formed of polypropylene monofilament yarns.
Claim 4
Dependent Claim
27 words
The implantable dual bar warp knit, hexagonal mesh recited in claim 1 including a body portion and a selvage that is more rigid than said body portion.
Claim 5
Dependent Claim
19 words
The implantable dual bar warp knit, hexagonal mesh recited in claim 1 wherein said more rigid selvage is curled.
Claim 6
Dependent Claim
18 words
The implantable dual bar warp knit, hexagonal mesh recited in claim 1 including elongated diamond to square pores.
Claim 7
Dependent Claim
15 words
The implantable dual bar warp knit, hexagonal mesh recited in claim 1 including circular pores.
Claim 8
Dependent Claim
16 words
The implantable dual bar warp knit, hexagonal mesh recited in claim 1 including near circular pores.
Claim 9
Dependent Claim
15 words
The implantable dual bar warp knit, hexagonal mesh recited in claim 1 including square pores.
Claim 10
Dependent Claim
15 words
The implantable dual bar warp knit, hexagonal mesh recited in claim 1 including diamond pores.
Claim 11
Dependent Claim
65 words
The implantable dual bar warp knit, hexagonal mesh recited in claim 1 including yarn columns formed by two separate ends of yarn that cross each other on two needles with the crossover portion traversing across a third needle, wherein in one end of yarn breaks a back up yarn will secure the fabric from at least two yarns way to prevent unraveling of the mesh.
Claim 12
Dependent Claim
21 words
The implantable dual bar warp knit, hexagonal mesh recited in claim 1 wherein said mesh is supported within a laparoscopic cannula.
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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) | 1999-10-29 | 2000-04-29 | 2000-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-10-29 | 2004-04-29 | 2004-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-10-29 | 2008-04-29 | 2008-10-29 | $7700.00 | Window Closed / Lapsed |