Connective tissue prosthesis
First Claim
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1. A connective tissue prosthesis comprising:
- a) a core made up of a first biocompatible composite yarn extending in a lengthwise direction; and
b) a sheath surrounding the core, said sheath being fabricated from a second biocompatible yarn;
the first composite yarn in said core (a) comprising a non-bioabsorbable core yarn component surrounded by an at least semi-bioabsorbable sheath yarn component.
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Abstract
A semi-bioabsorbable connective tissue prosthesis, e.g., a replacement for the human anterior cruciate ligament, is provided whose stress-strain characteristics closely match those of the natural tissue.
268 Citations
58 Claims
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1. A connective tissue prosthesis comprising:
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a) a core made up of a first biocompatible composite yarn extending in a lengthwise direction; and b) a sheath surrounding the core, said sheath being fabricated from a second biocompatible yarn; the first composite yarn in said core (a) comprising a non-bioabsorbable core yarn component surrounded by an at least semi-bioabsorbable sheath yarn component. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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36. A connective tissue prosthesis comprising:
a tubular component fabricated from composite yarn, said yarn comprising a biocompatible, core yarn component surrounded by a biocompatible, at least semi-bioabsorbable sheath yarn component. - View Dependent Claims (37, 38, 39, 40, 41, 42, 43)
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44. Method for manufacturing a connective tissue prosthesis, comprising
forming said connective tissue prosthesis from a first biocompatible composite yarn comprising a non-bioabsorbable core yarn component surrounded by an at least semibioabsorbable sheath yarn component.
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53. Method for manufacturing a tubular connective tissue prosthesis, comprising
forming a tubular component from composite yarn comprising a biocompatible, non-bioabsorbable core yarn component surrounded by a biocompatible, at least semi-absorbable sheath yarn component.
Specification