Device for sutureless attachment of soft tissue to bone
First Claim
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1. A bio implantable device for attaching soft tissue to bone, comprising:
- an elongate, substantially cylindrical stud having proximal and distal ends, and a sidewall defining a nominal diameter disposed between the proximal and distal ends;
a head disposed on the proximal end of the stud, the head having a diameter greater than the nominal diameter of the stud and having a distal-facing surface; and
at least one bone penetrating barb extending outward beyond the diameter of the head and proximally from the sidewall of the stud, the at least one bone penetrating barb being unitary with the stud and being effective to retain the stud within bone.
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Abstract
A device for sutureless attachment of soft tissue to bone has an elongate substantially cylindrical stud and a head disposed on a proximal end of the stud. The stud has a sidewall that defines a nominal diameter and the head has a diameter that is greater than the nominal diameter. At least one barb is provided to retain the stud within bone. The at least one barb may be constructed from a shape memory alloy and the stud and head may be constructed from a bioabsorbable material.
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Citations
20 Claims
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1. A bio implantable device for attaching soft tissue to bone, comprising:
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an elongate, substantially cylindrical stud having proximal and distal ends, and a sidewall defining a nominal diameter disposed between the proximal and distal ends; a head disposed on the proximal end of the stud, the head having a diameter greater than the nominal diameter of the stud and having a distal-facing surface; and at least one bone penetrating barb extending outward beyond the diameter of the head and proximally from the sidewall of the stud, the at least one bone penetrating barb being unitary with the stud and being effective to retain the stud within bone. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A bio implantable device for sutureless attachment of soft tissue to bone, comprising:
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an elongate, substantially cylindrical stud constructed from a polymeric material and having proximal and distal ends, and a sidewall disposed between the proximal and distal ends that defines a nominal diameter, the stud including at least one circumferential rib disposed on the sidewall and having a diameter heater than the diameter of the stud; a head integral with the proximal end of the stud portion, the head being constructed from a polymeric material and having a second diameter greater than the nominal diameter; and bone penetrating barb means extending from the stud outward beyond the diameter of the at least one circumferential rib for retaining the device within bone, the bone penetrate barb means being unitary with the stud. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification