Electrical Stimulation Circuit for Randomized Charge-Balanced Tremor Relief

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Solution Overview

Problem

Current medical devices for treating essential tremor lack dynamic and precise control of stimulation signal output, leading to poor user experience and ineffective disease relief due to neural system adaptation.

Innovation Solution

An electrical stimulation circuit with a timer, pulse width modulator, driving circuit, and stimulation electrode that generates alternating stimulation currents with precise timing and randomizes stimulation positions to prevent neural system adaptation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If defibrillators are used for electrical stimulation, then tremor relief can be achieved, but precise control of stimulation signal output cannot be achieved

Engineering Contradiction:

Improvestimulation signal control precisionVSAvoiduser experience

Core Design Contradiction:

Measurement precisionVSEase of operation

Solution Approach 1:

The patent implements dynamic adjustment of stimulation parameters including amplitude, pulse width, and frequency through a control unit that receives user input and modifies electrical stimulation parameters in real-time, enabling precise control while maintaining ease of operation

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The system transitions from fixed stimulation parameters to dynamic adjustable parameters, allowing the stimulation signal characteristics to change adaptively based on user needs and neural system response, thereby achieving both precision and usability

Inventive Principle:

Principle #15Dynamics

2Adaptability or versatility

If fixed location and fixed mode stimulation is applied, then device simplicity is maintained, but neural system adaptation occurs reducing treatment efficacy

Engineering Contradiction:

Improvestimulation adaptabilityVSAvoidcircuit complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent divides the stimulation electrode into multiple independent contact points that can be selectively activated, allowing stimulation to be applied to different locations and in different patterns, thereby preventing neural adaptation while managing device complexity through modular control

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The system implements periodic variation in stimulation parameters including alternating polarity, varying pulse frequencies, and cyclic changes in amplitude, which prevents neural system adaptation by avoiding repetitive fixed-pattern stimulation

Inventive Principle:

Principle #19Periodic action

3Ease of operation

If simple on/off control is used, then device operation is simple, but dynamic smooth control cannot be achieved

Engineering Contradiction:

Improvecontrol simplicityVSAvoiddynamic control capability

Core Design Contradiction:

Ease of operationVSExtent of automation

Solution Approach 1:

The patent incorporates feedback mechanisms where the control unit monitors stimulation delivery and adjusts parameters dynamically based on detected neural responses, achieving automated dynamic control that maintains operational simplicity through intelligent parameter adjustment

Inventive Principle:

Principle #23Feedback

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Ensures safe and effective tremor relief by delivering precise charge doses and maintaining charge balance, preventing neural system adaptation and enhancing treatment efficacy.

Implementation Method 1

a pulse width modulator, connected to the timer, where a first pulse signal is generated when first trigger time set by the timer is up, and a second pulse signal is generated when second trigger time set by the timer is up

Methodology Applied

Scientific EffectPulse width modulation:

Implementation Method 2

a driving circuit, connected to the pulse width modulator, where the first pulse signal outputs a first stimulation current through the driving circuit, the second pulse signal outputs a second stimulation current through the driving circuit, and the first stimulation current is opposite to the second stimulation current

Methodology Applied

Scientific EffectElectrical conduction: Conduction (electrical)

Implementation Method 3

a stimulation electrode, connected to the driving circuit, where the stimulation electrode is in contact with a plurality of stimulation positions, and configured for randomly outputting the first stimulation current and the second stimulation current to any stimulation position

Methodology Applied

Scientific EffectElectrical stimulation:

Data Source

PatentUS20260027347A1Electrical stimulation circuit, electrical stimulation method, and storage medium

Publication Date: 2026.01.29 FASIKL INC

AI summary

Disclosed are an electrical stimulation circuit, an electrical stimulation method, an electronic device, and a storage medium, where the electrical stimulation circuit includes: a timer for timing; a pulse width modulator connected to the timer, where a first pulse signal is generated when first trigger time set by the timer is up, and a second pulse signal is generated when second trigger time set by the timer is up; a driving circuit connected to the pulse width modulator, where the first pulse signal outputs a first stimulation current, the second pulse signal outputs a second stimulation current through the driving circuit, and the first stimulation current is opposite to the second stimulation current; and a stimulation electrode connected to the driving circuit, where the stimulation electrode is in contact with a plurality of stimulation positions, and configured for randomly outputting the first stimulation current and the second stimulation current.