Orthopedic distraction implants and techniques
First Claim
Patent Images
1. An implant for treatment of a curved spinal column segment, comprising:
- a body including first and second ends attachable to respective ones of first and second vertebrae along surfaces of the first and second vertebrae comprising a concavely curved surface of the spinal column segment, said body being structured to distract the spinal column segment along the concavely curved surface toward a straightened configuration while permitting motion of the spinal column segment when attached to the first and second vertebrae.
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Abstract
An implant for stabilizing a bony segment includes a flexible body sized and shaped to extend intravertebrally between at least first and second bony portions. In use the body is attachable intravertebrally to each of the first and second bony portions to distract each of the first and second bony portions while allowing motion between each of the first and second bony portions.
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Citations
80 Claims
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1. An implant for treatment of a curved spinal column segment, comprising:
a body including first and second ends attachable to respective ones of first and second vertebrae along surfaces of the first and second vertebrae comprising a concavely curved surface of the spinal column segment, said body being structured to distract the spinal column segment along the concavely curved surface toward a straightened configuration while permitting motion of the spinal column segment when attached to the first and second vertebrae. - 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)
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27. An implant for distracting first and second vertebrae of a spinal column segment, comprising:
a body with a length along a longitudinal axis, said body including a first condition and a second condition, said body being implantable intravertebrally in said second condition with said length extending between the first and second vertebrae, said body including means for reforming from said second condition to said first condition when implanted to exert a distractive force between the first and second vertebrae and permit relative motion between the first and second vertebrae. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44)
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45. A system for treatment of a curved spinal column segment, comprising:
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a first anchor engageable to a first vertebra;
a second anchor engageable to a second vertebra; and
a body positionable intravertebrally along surfaces of the first and second vertebrae comprising a concavely curved surface of the spinal column segment and attachable thereto with said first and second anchors, said body being structured to distract the spinal column segment along the concavely curved surface and between the first and second anchors toward a straightened configuration while permitting motion of the spinal column segment when attached to the first and second vertebrae. - View Dependent Claims (46, 47, 48, 49, 50)
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51. A method for correcting a spinal column segment, comprising:
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attaching an implant to surfaces of the spinal column segment defining a concavely curved side of the spinal column segment; and
distracting the concavely curved side of the spinal column segment with the implant. - View Dependent Claims (52, 53, 54, 55, 56, 57, 58, 59)
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60. A method for distracting vertebrae of a spinal column segment, comprising:
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positioning a body intervertebrally along the vertebrae;
moving opposite first and second ends of the body toward one another to form the body from a first condition to a second condition;
attaching the body to the vertebrae in the second condition; and
reforming the body from the second condition toward the first condition to continuously distract the vertebrae. - View Dependent Claims (61, 62, 63, 64, 65, 66, 67, 68, 69)
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70. A method for distracting vertebrae of a spinal column segment, comprising:
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positioning a body intervertebrally along the vertebrae, the body being made from a shape memory material;
moving opposite first and second ends of the body toward one another to stress the body into a stress-induced martensite condition;
attaching the body to the vertebrae in the stress-induced martensite condition; and
releasing the stress from the body to reform the body to an austenitic state thereby continuously distracting the vertebrae. - View Dependent Claims (71, 72, 73, 74, 75, 76, 77, 78, 79, 80)
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Specification