ROTATABLE COLLAR FOR A PROSTHESIS
3 Assignments
0 Petitions
Accused Products
Abstract
A collar (2) arranged to couple to a prosthetic component for implantation at the end of a long bone, the prosthetic component having a distal portion arranged to couple to the bone and a proximal neck portion arranged to couple to an articulation component. The collar (2) comprises a plate including a neck hole (4) to receive a neck portion, such that the collar can rotate about the neck portion. The collar (2) further comprises a plurality of attachment portions (12) for coupling the plate to bone fragments or soft tissues. The collar (2) is lockable to the neck portion to prevent further rotation. A prosthesis comprising a combination of a collar (2), a prosthetic component and an articulation component, and a surgical method of using the collar (2) are also disclosed.
44 Citations
25 Claims
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1-10. -10. (canceled)
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11. A prosthesis, comprising:
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a prosthetic component having a distal portion arranged to be coupled to an end of a bone and a proximal neck portion, the distal portion having a longitudinal axis; an articulation component arranged to couple to the neck portion; and a collar comprising a plate having a neck hole, the neck hole and neck portion being sized and adapted such that the neck portion is received within the neck hole, the collar being rotatable about the neck portion when the neck hole receives the neck position, the collar having a plurality of holes for coupling the plate to bone fragments or soft tissue, and wherein the collar is lockable with respect to the neck portion to prevent rotation. - View Dependent Claims (12, 13, 14, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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15. A surgical method comprising the steps of:
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resecting a proximal end of a bone; coupling a distal portion of a prosthetic component to the resected end of the bone, the prosthesis further comprising a proximal neck portion extending from the end of the bone; positioning a collar over the neck portion, wherein the collar comprises a plate including a neck hole to receive the neck portion and a plurality of attachment holes; rotating the collar about the neck portion; applying an impaction force to the collar to lock the collar to the neck portion to prevent further rotation; coupling at least one of the plurality of holes to bone fragments or soft tissues; and coupling an articulation component to the neck portion.
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16. A surgical method comprising:
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resecting a proximal end of a bone; coupling a distal portion of a prosthetic component to the resected end of the bone, the prosthesis further comprising a proximal neck portion extending from the end of the bone; positioning a collar about the neck portion, wherein the collar comprises a plate including a neck hole to receive the neck portion and a plurality of attachment holes; coupling at least one of the attachment holes to bone fragments or soft tissues; rotating the collar about the neck portion to adjust the tension in the bone fragments or soft tissues; applying an impaction force to the collar to lock the collar to the neck portion to prevent further rotation; and coupling an articulation component to the neck portion.
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Specification