ACCELEROMETER FEEDBACK CONTROL LOOP FOR PATIENT ALERT
First Claim
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1. A method for alerting a patient of a condition detected by an implanted medical device, comprising:
- delivering an alert signal to cause a motion within the patient'"'"'s body in response to detecting the condition;
measuring an accelerometer signal during the alert signal delivery;
comparing the accelerometer signal measurement to a threshold; and
adjusting a parameter controlling the alert signal to maintain the accelerometer signal within a range of the threshold.
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Abstract
A system and associated method for alerting a patient of a condition detected by an implanted medical device by delivering an alert signal to cause a motion within the patient'"'"'s body in response to detecting the condition. An accelerometer signal is measured during the alert signal delivery. Accelerometer signal measurements are compared to a threshold. A parameter controlling the alert signal is adjusted to maintain the accelerometer signal within a range of the threshold.
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Citations
25 Claims
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1. A method for alerting a patient of a condition detected by an implanted medical device, comprising:
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delivering an alert signal to cause a motion within the patient'"'"'s body in response to detecting the condition; measuring an accelerometer signal during the alert signal delivery; comparing the accelerometer signal measurement to a threshold; and adjusting a parameter controlling the alert signal to maintain the accelerometer signal within a range of the threshold. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An implantable medical device system for alerting a patient of a condition detected by an implanted medical device, comprising;
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a detector for detecting an alert condition; a patient alert signal generator for delivering an alert signal by causing a motion within the patient'"'"'s body in response to the detected condition; an accelerometer for sensing a signal correlated to the motion; and a controller for receiving the accelerometer signal, measuring the accelerometer signal, comparing the accelerometer signal measurement to a threshold, and controlling the generator to maintain the accelerometer signal within a range of the threshold during delivery of the alert signal. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A computer-readable medium storing a set of computer-executable instructions for performing a method for alerting a patient of a condition detected by an implanted medical device, the method comprising:
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delivering an alert signal to cause a motion within the patient'"'"'s body in response to detecting the condition; measuring an accelerometer signal during the alert signal delivery; comparing the accelerometer signal measurement to a threshold; and adjusting a parameter controlling the alert signal to maintain the accelerometer signal within a range of the threshold.
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Specification