Prosthetic intervertebral spinal disc with integral microprocessor
First Claim
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1. A prosthetic implant for implanting in a body, the implant comprising:
- a support member for interfacing with bone;
at least one sensor for measuring parameters associated with the prosthetic implant;
a memory for storing an output of the at least one sensor for later retrieval;
a power management device for controlling operation of said memory, said power management device operable to apply operating power to said memory when storing information therein and retrieving information therefrom, and said power management device operable to reduce power applied to said memory device at times when information is not being stored therein or retrieved therefrom; and
a telemetry device operable to transmit at least some contents of said memory in response to an external request.
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Abstract
A device for storing data related to movement of a prosthetic implant includes at least one transducer for generating at least one real time movement signal responsive to movement within the prosthetic implant. A processor generates movement data parameters and associated time stamps in response to the real time movement signal. The generated data parameters and time stamps are stored within a memory associated with the processor. A communications link may be used to selectively access the movement data parameters and the time stamps in the memory from an external source.
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Citations
47 Claims
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1. A prosthetic implant for implanting in a body, the implant comprising:
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a support member for interfacing with bone; at least one sensor for measuring parameters associated with the prosthetic implant; a memory for storing an output of the at least one sensor for later retrieval; a power management device for controlling operation of said memory, said power management device operable to apply operating power to said memory when storing information therein and retrieving information therefrom, and said power management device operable to reduce power applied to said memory device at times when information is not being stored therein or retrieved therefrom; and a telemetry device operable to transmit at least some contents of said memory in response to an external request. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A prosthetic implant for implanting in a body, the implant comprising:
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a support member for interfacing with bone; at least one sensor for measuring parameters associated with the prosthetic implant and providing an output signal representative thereof; a processing unit for receiving the output of said at least one sensor and processing said received output; and a memory for storing information representative of the output of said at least one sensor under control of said processing unit; an activity detector for detecting a change in the output of said sensor; and a power switch for selectively applying power to said memory in response to said activity detector detecting a change in the output of said sensor that exceeds a predetermined threshold and for causing said processing unit to operate in a reduced power mode when the predetermined threshold output of said sensor is not exceeded for a predetermined period of time. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39)
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40. An implant for use within a body proximate to a particular location, comprising:
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at least one sensor for measuring parameters associated with the particular location; a time base for providing temporal information; a memory for retrievably storing the output of the at least one sensor in association with the temporal information wherein said memory is a non-volatile memory; a power management device for controlling operation of said memory, said power management device operable to apply power to said memory when placing information therein and retrieving information therefrom, and said power management device operable to reduce power applied to said memory at times when information is not being stored therein or retrieved therefrom; and a telemetry device operable to transmit the at least some contents of said memory in response to an external request. - View Dependent Claims (41, 42, 43, 44, 45, 46)
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47. A prosthetic implant system, the system comprising:
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a prosthetic spinal disc having a sensor for measuring a parameter associated with the prosthetic spinal disc and a transmitter suitable to transmit data related to the measured parameter; an alarm monitor for receiving the transmitted data and for generating an alarm upon meeting of a predetermined criterion; an activity detector for detecting a change in the output of said sensor; and a power switch for selectively applying power to said memory in response to said activity detector detecting a change in the output of said sensor that exceeds a predetermined threshold.
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Specification