Knit PTFE Articles and Mesh
First Claim
Patent Images
1. A knitted article comprising:
- a knitted structure having at least one PTFE fiber with oriented fibrils, said PTFE fiber forming multiple fiber cross-over points wherein said PTFE fiber is self-bonded in at least one of said cross-over points.
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Abstract
Disclosed is a knitted article, and a method of producing such an article, having at least one PTFE fiber with oriented fibrils forming multiple fiber cross-over points wherein PTFE fiber is self-bonded in at least one of the cross-over points.
171 Citations
33 Claims
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1. A knitted article comprising:
a knitted structure having at least one PTFE fiber with oriented fibrils, said PTFE fiber forming multiple fiber cross-over points wherein said PTFE fiber is self-bonded in at least one of said cross-over points. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 16, 19, 20, 21, 22, 23, 24)
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11. A knitted article comprising:
a knitted structure having at least one monofilament PTFE fiber, said PTFE fiber forming multiple fiber cross-over points wherein said PTFE fiber is self-bonded in at least one of said cross-over points.
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12. A knitted mesh comprising:
at least one PTFE fiber with oriented fibrils, said PTFE fiber being knitted into a mesh forming multiple fiber cross-over points wherein said PTFE fiber is self-bonded in at least one of said cross-over points, and wherein said mesh has a mass of between 50 and 70 g/m2 and stiffness of greater than 25 g as determined by INDA Standard test Method 90.3.
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13. A knitted mesh comprising:
at least one PTFE fiber with oriented fibrils, said PTFE fiber is knitted into a mesh forming multiple fiber cross-over points wherein said PTFE fiber is self-bonded in at least one of said cross-over points, and wherein said mesh has a mass of between 70 and 90 g/m2 and stiffness of greater than 35 g as determined by INDA Standard test Method 90.3.
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14. A knitted mesh comprising:
at least one PTFE fiber having oriented fibrils, said PTFE fiber is knitted into a mesh forming multiple fiber cross-over points wherein said PTFE fiber is self-bonded in at least one of said cross-over points, and wherein said mesh has a mass of between 90 and 165 g/m2 and stiffness of greater than 50 g as determined by INDA Standard test Method 90.3.
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15. A knitted article comprising:
a knitted structure having at least one PTFE fiber with oriented fibrils, said PTFE fiber forming multiple fiber cross-over points wherein said PTFE fiber is cross-fibril locked in at least one of said cross-over points. - View Dependent Claims (17)
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18. A mesh comprising:
at least one PTFE fiber with oriented fibrils, said PTFE fiber being knitted into a mesh forming multiple fiber cross-over points wherein said PTFE fiber is self-bonded in at least one of said cross-over points, and wherein said mesh has a mass of greater than 70 g/m2 and stiffness of greater than 25 g as determined by INDA Standard test Method 90.3.
- 25. A knitted article comprising a knitted structure having at least one PTFE fiber with oriented fibrils, said PTFE fiber forming multiple fiber cross-over points wherein said PTFE fiber is self-bonded in at least one of said cross-over points and wherein the knitted article has a porous structure with an initial stiffness and a second stiffness which is less than the initial stiffness when the porous structure is subjected to Abdominal Mesh Tension.
- 32. A surgical mesh comprising a knitted structure having at least one fiber forming multiple fiber cross-over points wherein said at least one fiber has a bond in at least one of said cross-over points and wherein said bond is broken when the knitted structure is subjected to a surface tension equal to or less than Intraabdominal Pressure.
Specification