Suture anchor
First Claim
Patent Images
1. A method for securing a suture anchor, the method comprising:
- inserting an attachment portion of a suture anchor within a bore hole formed in a bone, the suture anchor further comprising a placement portion frangably connected to the attachment portion, the attachment portion of the suture anchor having an outwardly projecting barb that scores at least a portion of the bone bounding the bore hole as the attachment portion is inserted into the bore hole;
applying a withdrawal force to the suture anchor such that the attachment portion of the suture anchor rotates within the bore hole and disconnects from the placement portion of the suture anchor; and
removing the placement portion from the bone such that the attachment portion remains within the bone.
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Accused Products
Abstract
A suture anchor includes a placement portion frangably connected to an attachment portion. The attachment portion includes an outwardly projecting barb. During insertion of the suture anchor within a bore hole formed on a bone, the barb scores at least a portion of the bone bounding the bore hole. Once the suture anchor is disposed within the bore hole, a withdrawal force is applied to the suture anchor such that the attachment portion thereof rotates within the bore hole and disconnects from the placement portion. In an alternative embodiment, the suture anchor can be formed without the outwardly projecting barb.
456 Citations
49 Claims
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1. A method for securing a suture anchor, the method comprising:
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inserting an attachment portion of a suture anchor within a bore hole formed in a bone, the suture anchor further comprising a placement portion frangably connected to the attachment portion, the attachment portion of the suture anchor having an outwardly projecting barb that scores at least a portion of the bone bounding the bore hole as the attachment portion is inserted into the bore hole;
applying a withdrawal force to the suture anchor such that the attachment portion of the suture anchor rotates within the bore hole and disconnects from the placement portion of the suture anchor; and
removing the placement portion from the bone such that the attachment portion remains within the bone. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for securing a suture anchor, the method comprising:
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forming a bore hole within a bone, the bore hole comprising a first hole having a maximum first diameter and a concentrically disposed second hole having a maximum second diameter, the first hole being formed on a top surface of the bone while the second hole is formed below the top surface of the bone, the maximum second diameter being smaller than the maximum first diameter;
inserting an attachment portion of a suture anchor within the second hole of the bore hole such that at least a portion of the attachment portion of the suture anchor biases in frictional engagement against at least a portion of the bone bounding the second hole, the suture anchor further comprising a placement portion frangably connected to the attachment portion; and
applying a withdrawal force to the suture anchor such that the attachment portion of the suture anchor rotates within the bore hole and disconnects from the placement portion of the suture anchor. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A method for securing a suture anchor, the method comprising:
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inserting at least a portion of a suture anchor within a bore hole formed on a bone, the suture anchor comprising a placement portion terminating at a distal end face and an attachment portion having a proximal end face, the placement portion being frangibly connected to the attachment portion such that at least a portion of the distal end face of the placement portion is spaced apart from the proximal end face of the attachment portion, the attachment portion biasing in frictional engagement against at least a portion of the bone bounding the bore hole as the suture anchor is inserted into the bore hole such that at least the proximal end face of the attachment portion or the distal end face of the placement portion moves so that at least a portion of the distal end face and the proximal end face bias together during the act of inserting; and
applying a withdrawal force to the suture anchor such that the attachment portion of the suture anchor rotates within the bore hole causing the placement portion to disconnect from the attachment portion; and
removing the placement portion from the bone such that the attachment portion remains within the bone. - View Dependent Claims (15, 16, 17, 18)
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19. A suture anchor for use within a bore hole formed in a bone, the suture anchor comprising:
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a placement portion;
an attachment portion comprising a body that terminates at a distal terminus, the body having a barb outwardly projecting therefrom at a distance proximal of the distal terminus, the barb being adapted to score at least a portion of the bone bounding the bore hole as the attachment portion is being inserted within the bore hole; and
means for connecting the placement portion to the attachment portion such that when an insertion force is applied to the placement portion and the attachment portion as they are being directed into the bore hole, the barb scores at least a portion of the bone bounding the bore hole while maintaining connection between the placement portion and the attachment portion and when a withdrawal force, substantially opposite of the insertion force, is applied to the placement portion and the attachment portion, the attachment portion rotates within the bore hole causing the placement portion and the attachment portion to disconnect. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. A suture anchor for attachment to a bone, the suture anchor comprising:
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an elongated body having a first face and an opposing second face each longitudinally extending between a proximal end and an opposing distal end, the body having a central longitudinal axis extending between the proximal end and the opposing distal end;
a slot starting at the first face and extending towards the second face so as to partially bisect the elongated body, the slot being bounded by an upper side wall and a lower side wall;
a frangible strut extending between the slot and the second face of the body, the frangible strut forming a portion of the body; and
a barb outwardly projecting from the first face or the second face of the body at a location distal of at least a portion of the slot, the body having a transverse cross section substantially normal to the longitudinal axis at the location of the barb with a maximum first diameter and a transverse cross section substantially normal to the longitudinal axis at a location distal of the barb with a maximum second diameter, the first diameter being greater than the second diameter. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39, 40)
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41. A suture anchor assembly comprising:
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a suture anchor comprising;
an elongated placement portion having a proximal end and an opposing distal end; and
an elongated attachment portion having a proximal end, an opposing distal end and an outwardly projecting barb, the distal end of the placement portion being frangibly connected to the proximal end of the attachment portion, the placement portion and the attachment portion being integrally formed together as a single member which is comprised of a first material; and
an elongated inserter coupled to the proximal end of the placement portion, the inserter being comprised of a second material, the second material being different from the first material. - View Dependent Claims (42, 43, 44)
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45. A suture anchor assembly comprising:
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an elongated inserter having a post outwardly projecting from an end thereof; and
a suture anchor comprising a body having a barb outwardly projecting therefrom, the body comprising a first side and an opposing second side each extending between a proximal end and an opposing distal end, the body bounding a mounting port extending from the first side to or toward the second side, the post of the inserter being rotatably disposed within the mounting port, at least a portion of the body bounding the mounting port being selectively frangible to enable separation of the inserter and the suture anchor. - View Dependent Claims (46, 47, 48, 49)
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Specification