System and method for attaching soft tissue to bone
First Claim
Patent Images
1. A bone implant, comprising:
- a substantially hollow cylinder comprising bone-engaging protrusions configured to prevent removal of the implant from bone; and
a bone-piercing tip that comprisesa distal portion comprising a pointed tip configured to pierce through bone and having a maximum diameter at its proximal end,a medial portion comprising a transverse suture aperture and having a constant diameter along its length that is smaller than the distal portion maximum diameter, anda proximal portion having a constant diameter along its length that is smaller than the medial portion diameter and configured to couple to an inserter, wherein the proximal portion of the bone-piercing tip is configured to be positioned within a distal portion of the substantially hollow cylinder and not extend to a proximal end of the substantially hollow cylinder,wherein the bone-piercing tip has a length that is shorter than the length of the substantially hollow cylinder, andwherein the substantially hollow cylinder has an inner diameter that is smaller than the bone-piercing tip distal portion maximum diameter.
2 Assignments
1 Petition
Accused Products
Abstract
Methods and devices for securing soft tissue to a rigid material such as bone are disclosed herein. A bone anchor is described that comprises a base and a top such that suture material may be compressed between surfaces on the base and top to secure the suture to the anchor. Also described is an inserter that can be used to insert the bone anchor into bone and move the anchor top relative to the anchor base to clamp suture material there between. Also described is a soft-tissue and bone piercing anchor and associated inserter. Methods are described that allow use of the bone anchors to provide multiple lengths of suture material to compress a large area of soft tissue against bone.
196 Citations
18 Claims
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1. A bone implant, comprising:
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a substantially hollow cylinder comprising bone-engaging protrusions configured to prevent removal of the implant from bone; and a bone-piercing tip that comprises a distal portion comprising a pointed tip configured to pierce through bone and having a maximum diameter at its proximal end, a medial portion comprising a transverse suture aperture and having a constant diameter along its length that is smaller than the distal portion maximum diameter, and a proximal portion having a constant diameter along its length that is smaller than the medial portion diameter and configured to couple to an inserter, wherein the proximal portion of the bone-piercing tip is configured to be positioned within a distal portion of the substantially hollow cylinder and not extend to a proximal end of the substantially hollow cylinder, wherein the bone-piercing tip has a length that is shorter than the length of the substantially hollow cylinder, and wherein the substantially hollow cylinder has an inner diameter that is smaller than the bone-piercing tip distal portion maximum diameter. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An inserter and bone implant combination, comprising:
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an inserter, comprising; a handle, an outer sleeve coupled to the handle and fixed relative to the handle, and an inner tube disposed within the outer sleeve; and a bone implant coupled to the inserter, the bone implant comprising; a substantially hollow cylinder having bone-engaging protrusions, and a bone-piercing tip comprising a distal portion having a pointed tip, a medial portion having a suture aperture, and a proximal portion, wherein the pointed tip has a maximum diameter at its proximal end, the medial portion has a constant diameter along its length that is smaller than the distal portion maximum diameter, and the proximal portion has a constant diameter along its length that is smaller than the medial portion diameter; wherein a portion of the inner tube extends distally through the substantially hollow cylinder and contacts the bone-piercing tip, wherein the proximal portion of the bone-piercing tip is configured to be positioned within a distal portion of the substantially hollow cylinder and not extend to a proximal end of the substantially hollow cylinder and is removably coupled to the inserter, wherein the length of the bone-piercing tip is shorter than the length of the substantially hollow cylinder, wherein the substantially hollow cylinder has an inner diameter that is smaller than the bone-piercing tip distal portion maximum diameter, and wherein a distal end of the outer sleeve is flush with an open, proximal end of the substantially hollow cylinder. - View Dependent Claims (9, 10, 11, 12)
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13. A method of fixating a bone implant within bone, comprising:
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providing a bone implant, comprising; a substantially hollow cylinder, and a bone-piercing tip comprising a distal portion having a pointed tip, a medial portion having a suture aperture, and a proximal portion, wherein the pointed tip has a maximum diameter at its proximal end, the medial portion has a constant diameter along its length that is smaller than the distal portion maximum diameter, and the proximal portion has a constant diameter along its length that is smaller than the medial portion diameter, wherein the proximal portion of the bone-piercing tip is configured to be positioned within a distal portion of the substantially hollow cylinder and not extend to a proximal end of the substantially hollow cylinder, wherein the length of the bone-piercing tip is shorter than the length of the substantially hollow cylinder, and wherein the substantially hollow cylinder has an inner diameter that is smaller than the bone-piercing tip distal portion maximum diameter; providing an inserter, comprising; a handle, an outer sleeve fixed to the handle, and an inner tube positioned within the outer sleeve, wherein the bone implant is coupled to a distal end of the inserter and a suture material passes through the suture aperture of the bone implant; piercing bone with the bone-piercing tip; moving the inner tube axially relative to the outer sleeve; detaching the bone implant from the inserter; and withdrawing the inserter from the bone, such that the suture material and the bone implant remain within the bone. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification