Automatic waveform output adjustment for an implantable medical device
First Claim
1. An apparatus for automatic waveform output adjustment with an implantable medical device, comprising in combination:
- a first regulator module that adjusts an amplitude of a pulse to an electrode;
a measurement module that performs an electrical measurement that is associated with the first regulator module;
a generator connected to the first regulator module in order to provide an input signal to the first regulator module; and
a processor connected to the measurement module and to the generator, the processor configured to perform the steps of;
(a) receiving the electrical measurement, the electrical measurement indicative of the amplitude of the pulse;
(b) determining a differential value between the electrical measurement and a desired value;
(c) ascertaining whether the generator shall be reconfigured in order for the generator to deliver the input signal that corresponds to approximately the desired value; and
(d) instructing the generator in response to step (c).
1 Assignment
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Accused Products
Abstract
Apparatus and method assure the electrical characteristics of a stimulation waveform to an electrode of an Implantable Neuro Stimulator. The embodiment comprises a regulator, a measurement module, a generator, and a processor. The generator provides an input signal to the regulator. The regulator consequently regulates the input signal in order to form a pulse that is applied to the electrode. The processor instructs the measurement module to perform an electrical measurement that is indicative of an amplitude of the pulse. If the electrical measurement is sufficiently different from a desired value, the processor instructs the generator to be reconfigured in order that the amplitude of the pulse is within an acceptable value. A redundant capacitor pair may be inserted in a capacitor arrangement in order to compensate for a reduced battery voltage, or a detected faulty component such as a capacitor or a regulator may be replaced with a redundant component.
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Citations
31 Claims
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1. An apparatus for automatic waveform output adjustment with an implantable medical device, comprising in combination:
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a first regulator module that adjusts an amplitude of a pulse to an electrode;
a measurement module that performs an electrical measurement that is associated with the first regulator module;
a generator connected to the first regulator module in order to provide an input signal to the first regulator module; and
a processor connected to the measurement module and to the generator, the processor configured to perform the steps of;
(a) receiving the electrical measurement, the electrical measurement indicative of the amplitude of the pulse;
(b) determining a differential value between the electrical measurement and a desired value;
(c) ascertaining whether the generator shall be reconfigured in order for the generator to deliver the input signal that corresponds to approximately the desired value; and
(d) instructing the generator in response to step (c). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20)
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13. The apparatus of claim I1, wherein step (d) comprises the step of:
instructing the generator to deactivate the faulty capacitor pair.
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21. A method for automatic waveform output adjustment with an implantable medical device, the method comprising the steps of:
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(a) receiving an electrical measurement, the electrical measurement indicative of an amplitude of a pulse;
(b) determining a differential value between the electrical measurement and a desired value;
(c) ascertaining whether a generator shall be reconfigured in order for the generator to deliver an input signal that corresponds to approximately the desired value; and
(d) instructing the generator in response to step (c). - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29)
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30. A computer-readable medium containing instructions for automatically adjusting a neurological stimulation waveform output with an implantable medical device, comprising instructions that cause the implantable medical device to perform the steps of:
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(a) receiving an electrical measurement, the electrical measurement indicative of an amplitude of a pulse;
(b) determining a differential value between the electrical measurement and a desired value;
(c) ascertaining whether a generator shall be reconfigured in order for the generator to deliver an input signal that corresponds to approximately the desired value; and
(d) instructing the generator in response to step (c).
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31. An implantable medical device, comprising in combination:
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a telemetry module;
a therapy module that provides a neurological stimulation waveform to a patient, the therapy module comprising;
a regulator module that adjusts an amplitude of a pulse, the pulse associated with the neurological stimulation waveform, and a generator coupled to the regulator module in order to provide an input signal to the regulator module, the generator comprising a capacitor arrangement;
a measurement module coupled to the regulator module in order to measure a voltage drop across the regulator module; and
a processor connected to the measurement module and to the generator, the processor configured to perform the steps of;
(a) receiving a measurement, the measurement corresponding to the voltage drop across the regulator module;
(b) determining a differential value between the measurement and a desired value;
(c) ascertaining whether the generator shall be reconfigured in order for the generator to deliver the input signal corresponding to approximately the desired value;
(d) determining a faulty capacitor pair;
(e) determining a spare capacitor pair; and
(f) instructing the generator to activate the spare capacitor pair in response to step (d).
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Specification