Adjustable, remote-controllable orthopaedic prosthesis and associated method
First Claim
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1. An orthopaedic system comprising:
- an implantable hip prosthesis comprising;
(i) a first component defining a first axis,(ii) a second component configured to receive a femoral head prosthesis and configured to move relative to the first component along a second axis extending oblique relative to the first axis,(iii) a drive assembly operable to adjust the position of the second component along the second axis relative to the first component,(iv) a sensor secured to one of the first component and the second component, the sensor being configured to sense the relative position of the first component and the second component, and(v) an electronic controller electrically coupled to the sensor so as to receive an output therefrom.
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Abstract
An implantable, adjustable prosthesis includes a first component which may be moved relative to a second component by use of a transcutaneous control signal. A method of operating such a prosthesis is also disclosed.
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Citations
15 Claims
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1. An orthopaedic system comprising:
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an implantable hip prosthesis comprising; (i) a first component defining a first axis, (ii) a second component configured to receive a femoral head prosthesis and configured to move relative to the first component along a second axis extending oblique relative to the first axis, (iii) a drive assembly operable to adjust the position of the second component along the second axis relative to the first component, (iv) a sensor secured to one of the first component and the second component, the sensor being configured to sense the relative position of the first component and the second component, and (v) an electronic controller electrically coupled to the sensor so as to receive an output therefrom. - View Dependent Claims (2, 3, 4, 5)
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6. An orthopaedic system comprising:
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an implantable hip prosthesis comprising; (i) an elongated stem assembly, the elongated stem assembly defining a first axis and configured to be received in a surgically prepared medullary canal of a femur, (ii) a neck configured to receive a femoral head prosthesis, the neck being configured to move along a second axis extending oblique to the first axis, (iii) a drive assembly operable to adjust the position of the neck along the second axis relative to the elongated stem assembly, (iv) a sensor configured to sense the relative position of the elongated stem assembly and the neck, and (v) an electronic controller electrically coupled to the sensor so as to receive an output therefrom. - View Dependent Claims (7, 8, 9, 10)
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11. An orthopaedic implant, comprising:
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an implantable hip prosthesis, comprising; an elongated stem assembly, a neck component, a first drive assembly coupled to the elongated stem assembly and configured to move the elongated stem assembly along a first axis, a second drive assembly coupled to the neck component and configured to move the neck component along a second axis, the second axis being different than the first axis, and a power source secured to at least one of the elongated stem assembly and the neck component, wherein the power source is electrically coupled to both the first drive assembly and the second drive assembly. - View Dependent Claims (12, 13, 14, 15)
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Specification