METHOD FOR PROVIDING MULTIPLE VOLTAGE LEVELS DURING PULSE GENERATION AND IMPLANTABLE PULSE GENERATING EMPLOYING THE SAME
First Claim
1. A method of operating an implantable pulse generator for stimulating tissue of a patient, comprising:
- providing power to a voltage converter of the implantable pulse generator at a first voltage level;
outputting a second voltage level by the voltage converter, the second voltage level being a variable voltage level that is controlled by a control signal provided to the voltage converter, the second voltage level being provided to pulse generating circuitry of the implantable pulse generator, the second voltage level being selectable from a plurality of voltages including non-integer multiples of the first voltage level;
generating pulses by the pulse generating circuitry, the pulse generating circuitry including current control circuitry for controlling the pulses to cause the pulses to provide substantially constant current to tissue of the patient; and
applying at least two different control signals to the voltage converter during individual pulses to provide successively increasing voltages to the pulse generating circuitry during a respective pulse.
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Accused Products
Abstract
In one embodiment, a method of operating an implantable pulse generator comprises: providing power to a voltage converter at a first voltage level; outputting a second voltage level by the voltage converter, the second voltage level being a variable voltage level that is controlled by a control signal provided to the voltage converter, the second voltage level being provided to pulse generating circuitry of the implantable pulse generator, the second voltage level being selectable from a plurality of voltages including non-integer multiples of the first voltage level; generating pulses by the pulse generating circuitry, the pulse generating circuitry including current control circuitry for controlling the pulses to cause the pulses to provide substantially constant current to tissue of the patient; and applying at least two different control signals to the voltage converter during individual pulses to provide successively increasing voltages to the pulse generating circuitry during a respective pulse.
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Citations
20 Claims
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1. A method of operating an implantable pulse generator for stimulating tissue of a patient, comprising:
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providing power to a voltage converter of the implantable pulse generator at a first voltage level; outputting a second voltage level by the voltage converter, the second voltage level being a variable voltage level that is controlled by a control signal provided to the voltage converter, the second voltage level being provided to pulse generating circuitry of the implantable pulse generator, the second voltage level being selectable from a plurality of voltages including non-integer multiples of the first voltage level; generating pulses by the pulse generating circuitry, the pulse generating circuitry including current control circuitry for controlling the pulses to cause the pulses to provide substantially constant current to tissue of the patient; and applying at least two different control signals to the voltage converter during individual pulses to provide successively increasing voltages to the pulse generating circuitry during a respective pulse. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An implantable pulse generator for stimulating tissue of a patient, comprising:
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a battery for powering the implantable pulse generator; a voltage converter for providing a variable voltage level in response to a control signal, wherein the variable voltage level is selectable from a plurality of voltages including non-integer multiples of a supplied voltage level; pulse generating circuitry for generating pulses, the pulse generating circuitry receiving a voltage output from the voltage converter, the pulse generating circuitry including current control circuitry for controlling the pulses to cause the pulses to provide substantially constant current to tissue of the patient; and a controller for controlling the voltage converter during operation of the pulse generating circuitry, wherein the controller causes at least two different control signals to be applied to the voltage converter during individual pulses to provide successively increasing voltages to the pulse generating circuitry during a respective pulse. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification