ECAP-based transient overstimulation

A technology of electrical stimulation and processing circuits, which is applied in physical therapy, therapy, artificial respiration, etc., and can solve the problems of affecting and affecting patients' perception and lack of electrical pulses

Pending Publication Date: 2022-07-15
MEDTRONIC INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This alteration may affect the patient's perception of electrical impulses, or the lack of such perception

Method used

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  • ECAP-based transient overstimulation
  • ECAP-based transient overstimulation
  • ECAP-based transient overstimulation

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0156] Example 1: A medical device comprising: stimulation-generating circuitry configured to deliver electrical stimulation to a patient, wherein the electrical stimulation comprises a plurality of pulses; sensing circuitry, the sensing detection circuitry configured to detect a plurality of evoked compound action potentials (ECAPs) elicited by respective ones of the plurality of pulses; and processing circuitry configured to: determine a first characteristic of the first ECAP a value greater than a threshold ECAP feature value; responsive to determining that the first value of the feature of the first ECAP is greater than the threshold ECAP feature value, defining at least in part that the stimulus is available after the first ECAP generating a parameter of the first set of pulses delivered by the circuitry is reduced from a predetermined value; determining that a second value of a characteristic of a second ECAP induced after the first ECAP is less than the threshold ECAP ch...

example 2

[0157] Example 2: The medical device of Example 1, wherein the parameter of the first set of pulses includes an amplitude of the first set of pulses, and wherein the processing circuitry is configured to reduce the parameter of the first set of pulses To: decrement the amplitude of each pulse in the first group of pulses by an amplitude value.

example 3

[0158] Example 3: The medical device of Example 2, wherein the amplitude value comprises a first amplitude value, wherein the parameter of the second set of pulses comprises an amplitude of the second set of pulses, and wherein in order to increase the amplitude of the second set of pulses The parameter, the processing circuitry is configured to increment the amplitude of each pulse in the second set of pulses by a second amplitude value different from the first amplitude value.

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PUM

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Abstract

Treatment can be determined using evoked compound action potential (ECAP). For example, a medical device includes stimulation generation circuitry and processing circuitry. The processing circuitry is configured to determine whether a characteristic of the first ECAP is greater than a threshold ECAP characteristic value. Based on the characteristic of the first ECAP being greater than the threshold ECAP characteristic value, the processing circuitry is configured to reduce a parameter of a first set of pulses delivered by the stimulus generating circuitry after the first ECAP. Further, the processing circuitry is configured to determine whether a characteristic of a second ECAP is less than the threshold ECAP characteristic value, and based on the characteristic of the second ECAP being less than the threshold ECAP characteristic value, increase a parameter of a second set of pulses delivered by the stimulus generation circuitry after the second ECAP.

Description

technical field [0001] The present disclosure relates generally to electrical stimulation therapy, and more particularly to the control of electrical stimulation therapy. Background technique [0002] Medical devices can be external or implanted and can be used to deliver electrical stimulation therapy to a patient via various tissue sites to treat a variety of symptoms or conditions such as chronic pain, tremors, Parkinson's disease, epilepsy, urine Incontinence or fecal incontinence, sexual dysfunction, obesity or gastroparesis. The medical device may deliver electrical stimulation therapy via one or more leads that include electrodes located near target locations associated with the patient's brain, spinal cord, pelvic nerves, peripheral nerves, or gastrointestinal tract. Stimulation near the spinal cord, near the sacral nerve, in the brain, and near the peripheral nerves is commonly referred to as spinal cord stimulation (SCS), sacral neuromodulation (SNM), deep brain s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N1/36
CPCA61N1/36139A61N1/3615A61N1/36185A61N1/36175A61N1/36192
Inventor D·A·丁斯莫尔K·N·哈格曼H·宾克C·普利亚姆
Owner MEDTRONIC INC
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