Recharge delay for an implantable medical device
First Claim
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1. An apparatus for generating a neurological stimulation waveform with an implantable medical device, comprising in combination:
- a waveform generator; and
a waveform controller coupled to the waveform generator, the waveform controller configured to perform the steps of;
(a) instructing the waveform generator to form a first stimulation pulse to an electrode during a rate period interval;
(b) waiting a time delay duration during the rate period interval, wherein the time delay duration is adjustable; and
(c) balancing an accumulated charge that is associated with tissue that is proximate to the electrode.
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Abstract
In the embodiment of the invention, apparatus and method provide flexibility in generating a stimulation waveform to an electrode of an Implantable Neurological Stimulator (INS). The embodiment provides a time delay interval between a first stimulation pulse and a recharging of the apparatus, in which the time delay interval is adjustable. The embodiment utilizes apparatus comprising a waveform controller and a waveform generator that is controlled by the waveform controller. With a variation of the embodiment, the apparatus utilizes passive recharging. In another variation of the embodiment, the apparatus utilizes a second stimulation to balance an accumulated charge. In another embodiment of the invention, a clinician is able to adjust the time delay interval through a telemetry channel. The waveform controller receives information about the time delay interval, and the waveform control instructs the waveform generator to adjust the time delay interval.
49 Citations
21 Claims
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1. An apparatus for generating a neurological stimulation waveform with an implantable medical device, comprising in combination:
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a waveform generator; and
a waveform controller coupled to the waveform generator, the waveform controller configured to perform the steps of;
(a) instructing the waveform generator to form a first stimulation pulse to an electrode during a rate period interval;
(b) waiting a time delay duration during the rate period interval, wherein the time delay duration is adjustable; and
(c) balancing an accumulated charge that is associated with tissue that is proximate to the electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for generating a neurological stimulation waveform with an implantable medical device, the method comprising the steps of:
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(a) instructing the waveform generator to form a first stimulation pulse to an electrode during a rate period interval;
(b) waiting a time delay duration during the rate period interval, wherein the time delay duration is adjustable; and
(c) balancing an accumulated charge that is associated with tissue that is proximate to the electrode. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A computer-readable medium containing instructions for controlling a computer system to generate a neurological stimulation waveform with an implantable medical device, the instructions performing the steps of:
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(a) instructing a waveform generator to form a first stimulation pulse to an electrode during a rate period interval;
(b) waiting a time delay duration during the rate period interval, wherein the time delay duration is adjustable; and
(c) balancing an accumulated charge that is associated with tissue that is proximate to the electrode.
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20. An apparatus for generating a neurological stimulation waveform with an implantable medical device, comprising in combination:
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a waveform generator; and
a waveform controller coupled to the waveform generator, the waveform controller configured to perform the steps of;
(a) instructing the waveform generator to form a first stimulation pulse to an electrode during a rate period interval;
(b) waiting a time delay duration during the rate period interval, wherein the time delay duration is adjustable; and
(c) instructing the waveform generator to form a second stimulation pulse in order to balance an accumulated charge that is associated with tissue that is proximate to the electrode.
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21. An implantable medical device, comprising in combination:
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a telemetry module;
a processor that communicates with a programmer through the telemetry module in order to configure the implantable medical device;
a therapy module that provides a neurological stimulation waveform to a patient and receives configuration information and commands about a therapeutical treatment from the processor, the therapy module comprising;
a waveform generator; and
a waveform controller coupled to the waveform generator, the waveform controller configured to perform the steps of;
(a) instructing the waveform generator to form a first stimulation pulse to an electrode during a rate period interval;
(b) waiting a time delay duration during the rate period interval, wherein the time delay duration is adjustable; and
(c) balancing an accumulated charge that is associated with tissue that is proximate to the electrode.
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Specification
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Current AssigneeMedtronic Incorporated (Medtronic Plc)
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Original AssigneeMedtronic Incorporated (Medtronic Plc)
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InventorsGoblish, Todd P., Torgerson, Nathan A., Rodriguez, John Delfin, Heathershaw, Todd D., Leinders, Robert, Stein, Mark
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Application NumberUS10/133,703Publication NumberTime in Patent OfficeDaysField of SearchUS Class Current607/48CPC Class CodesA61N 1/36125 Details of circuitry or ele...A61N 1/37252 Details of algorithms or da...
