Intervertebral disc with monitoring and adjusting capabilities
First Claim
Patent Images
1. A prosthetic endplate in an intervertebral motion disc having an anterior end and a posterior end, the endplate comprising:
- i) an outer plate comprising an outer surface adapted for fixation to a first vertebral body, an inner surface, and a body portion therebetween, ii) an inner plate comprising an inner surface having a first articulation surface, an outer surface, and a body portion therebetween, iii) means for selectively adjusting a relative position of the inner plate upon the outer plate.
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Accused Products
Abstract
A prosthetic endplate having articulation surfaces whose relative positions can be post-operatively adjusted.
292 Citations
109 Claims
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1. A prosthetic endplate in an intervertebral motion disc having an anterior end and a posterior end, the endplate comprising:
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i) an outer plate comprising an outer surface adapted for fixation to a first vertebral body, an inner surface, and a body portion therebetween, ii) an inner plate comprising an inner surface having a first articulation surface, an outer surface, and a body portion therebetween, iii) means for selectively adjusting a relative position of the inner plate upon the outer plate. - 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, 27)
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28. An intervertebral motion disc comprising:
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a) a prosthetic vertebral endplate component comprising;
i) an outer surface adapted to mate with a vertebral body, ii) an inner surface having a first articulation surface suitable for supporting articulation motion first thereon, and iii) a body portion connecting the inner and outer surfaces, and b) a core member component comprising;
i) a first articulation surface suitable for supporting articulation motion, wherein the articulation surfaces of the core and endplate are adapted to form an articulation interface, and wherein one of the components is a sensor component comprising a Hall Effect sensor, and the other component is a magnetic component comprising a magnet. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36, 37)
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38. An intervertebral motion disc comprising:
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a) a prosthetic vertebral endplate comprising;
i) an outer surface adapted to mate with a vertebral body, ii) an inner surface having a first articulation surface suitable for supporting articulation motion first thereon, and iii) a body portion connecting the inner and outer surfaces, iv) at least one sensor disposed within the body portion, b) a core member comprising;
i) a first articulation surface suitable for supporting articulation motion. - View Dependent Claims (39, 40, 41, 42, 43, 44, 45, 46)
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47. A method of adjusting a position of a prosthetic endplate, comprising the steps of:
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a) providing a prosthetic endplate in an intervertebral motion disc having an anterior end and a posterior end, the endplate comprising;
i) an outer plate comprising an outer surface adapted for fixation to a first vertebral body, an inner surface, and a body portion therebetween, ii) an inner plate comprising an inner surface having a first articulation surface, an outer surface, and a body portion therebetween, b) fixing the outer surface of the outer plate to the first vertebral body to produce a first relative position of the inner plate upon the outer plate, and c) selectively adjusting the first relative position to a second relative position of the inner plate upon the outer plate.
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48. An intervertebral motion disc comprising:
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a) a prosthetic vertebral endplate comprising;
i) an outer surface adapted to mate with a vertebral body, ii) an inner surface having a first articulation surface suitable for supporting articulation motion first thereon, and iii) a body portion connecting the inner and outer surfaces, and b) a core member comprising;
i) a first articulation surface suitable for supporting articulation motion, and ii) at least one sensor.
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49. An intervertebral motion disc comprising:
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a) a prosthetic vertebral endplate component comprising;
i) an outer surface adapted to mate with a vertebral body, ii) an inner surface having a first articulation surface suitable for supporting articulation motion first thereon, and iii) a body portion connecting the inner and outer surfaces, and iv) a sensor located upon the inner surface of the endplate, and b) a core member component comprising;
i) a first articulation surface suitable for supporting articulation motion, wherein the articulation surfaces of the core and endplate are adapted to form an articulation interface, and wherein the sensor is adapted to determine a distance to the first articulation surface of the core member. - View Dependent Claims (50, 51, 52, 53, 54, 55, 56)
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57. A spinal implant comprising:
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a) an upper surface adapted to bear against an upper vertebral body, b) a lower surface adapted to bear against a lower vertebral body, and c) a sensor located upon a surface of the implant. - View Dependent Claims (58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109)
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Specification