Controlling charge flow in the electrical stimulation of tissue
First Claim
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1. A method comprising:
- storing a new charge setting value specifying an amount of charge that is to flow during a stimulation pulse; and
generating and delivering the stimulation pulse in a manner such that an amount of charge delivered to the tissue during the stimulation pulse has a value that is substantially equal to the stored charge setting value, wherein delivering the stimulation pulse comprises monitoring the flow of charge during delivery of the stimulation pulse, and halting the delivery based on the flow of charge exceeding the stored charge setting value.
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Abstract
Systems of techniques for controlling charge flow during the electrical stimulation of tissue. In one aspect, a method includes receiving a charge setting describing an amount of charge that is to flow during a stimulation pulse that electrically stimulates a tissue, and generating and delivering the stimulation pulse in a manner such that an amount of charge delivered to the tissue during the stimulation pulse accords with the charge setting.
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Citations
40 Claims
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1. A method comprising:
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storing a new charge setting value specifying an amount of charge that is to flow during a stimulation pulse; and generating and delivering the stimulation pulse in a manner such that an amount of charge delivered to the tissue during the stimulation pulse has a value that is substantially equal to the stored charge setting value, wherein delivering the stimulation pulse comprises monitoring the flow of charge during delivery of the stimulation pulse, and halting the delivery based on the flow of charge exceeding the stored charge setting value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method comprising:
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storing a new charge setting value specifying an amount of charge that is to flow during a stimulation pulse; and generating and delivering the stimulation pulse in a manner such that an amount of charge delivered to the tissue during the stimulation pulse has a value that is substantially equal to the stored charge setting value, wherein delivering the stimulation pulse comprises converting the stored charge setting value into the one or more stimulation parameters that characterize one or more aspects of a stimulation waveform that includes the stimulation pulse, and delivering the stimulation waveform in accordance with the one or more stimulation parameters, wherein converting the stored charge setting value into the one or more stimulation parameters, comprises holding a stimulation pulse amplitude substantially constant for two or more different charge settings, and determining a stimulation pulse duration based on the stored charge setting value and the substantially constant stimulation pulse amplitude. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A method comprising:
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determining a new charge setting value specifying a charge that is to flow during a stimulation pulse that electrically stimulates a tissue; generating and initiating delivery of the charge to the tissue during the stimulation pulse; monitoring the flow of the charge during the stimulation pulse; and halting the delivery of the based on the flow of charge exceeding the new charge setting value. - View Dependent Claims (20, 21, 22, 23, 24, 25)
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26. A method comprising:
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determining a new charge setting value specifying a charge that is to flow during a stimulation pulse that electrically stimulates a tissue; converting the new charge setting value into one or more stimulation parameters that characterize one or more aspects of a stimulation waveform that includes the stimulation pulse, wherein the conversion of the new charge setting value into the one or more stimulation parameters comprises holding a stimulation pulse amplitude substantially constant for two or more different charge settings, and determining a stimulation pulse duration based on the new charge setting value and the substantially constant stimulation pulse amplitude; and generating and delivering the stimulation waveform in accordance with the one or more stimulation parameters. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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38. A method comprising:
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determining a new charge setting value specifying a charge that is to flow during a stimulation pulse that electrically stimulates a tissue; converting the new charge setting value into one or more stimulation parameters that characterize one or more aspects of a stimulation waveform that includes the stimulation pulse, wherein the conversion of the new charge setting value into the one or more stimulation parameters comprises holding a stimulation pulse duration substantially constant for two or more different charge settings, and determining a stimulation pulse amplitude based on the new charge setting value and the substantially constant stimulation pulse duration; and generating and delivering the stimulation waveform in accordance with the one or more stimulation parameters. - View Dependent Claims (39, 40)
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Specification