Low-Frequency Electrical Stimulation Device for Sleep Improvement
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Solution Overview
Problem
Existing electrical stimulation devices for sleep disorders often cause muscle fatigue and involuntary muscle tremors due to high voltage outputs and unstable frequencies, posing safety concerns and being unsuitable for prolonged use.
Innovation Solution
A portable, non-invasive electrical stimulation device generating low-frequency electrical signals with programmable settings, using electrode structures to transmit currents with frequencies ranging from 1 to 30 Hz, and output voltages below 10 Vpp, minimizing muscle fatigue and ensuring safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If high voltage electrical stimulation signals are used to improve sleep disorders, then the stimulation effect is enhanced, but muscle fatigue and involuntary muscle tremors occur
Solution Approach 1:
The patent changes the key parameters of electrical stimulation from high voltage to low frequency (1-30 Hz) with extended pulse width (50-200 microseconds) and controlled duty cycle (20-80%). This parameter transformation maintains therapeutic effectiveness while eliminating harmful muscle stimulation effects, directly resolving the contradiction between stimulation efficacy and muscle safety
Solution Approach 2:
The patent employs periodic electrical pulse delivery with programmable frequency patterns including gradual increase, constant, and gradual decrease modes. This periodic action allows the nervous system to respond therapeutically to sleep-regulating nerves while providing rest intervals that prevent muscle fatigue and tremors
2Productivity
If high frequency electrical stimulation is applied, then muscle training effect is achieved, but prolonged use causes muscle fatigue
Solution Approach 1:
The patent implements dynamic frequency adjustment where the stimulation frequency can gradually increase, remain constant, or gradually decrease over time according to programmable patterns. This dynamic approach adapts the stimulation to match the user's physiological state, providing effective treatment without causing cumulative muscle fatigue during prolonged use
Solution Approach 2:
The device includes gradual frequency increase modes that slowly ramp up stimulation intensity before reaching target levels. This preliminary action allows muscles and nerves to adapt progressively, preventing sudden stimulation that could cause fatigue or tremors during extended treatment sessions
3Device complexity
If unstable output voltage is generated, then device complexity is reduced, but treatment reliability decreases
Solution Approach 1:
The patent incorporates feedback mechanisms that continuously monitor and adjust output parameters to maintain consistent low-frequency stimulation despite variations in skin impedance or electrode contact. This feedback control ensures reliable and reproducible treatment effects without requiring complex high-voltage regulation systems
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
The device effectively improves sleep disorders such as insomnia by generating gentle, imperceptible electrical stimulation signals that reduce muscle fatigue and enhance sleep quality.
Implementation Method 1
The signal generator is disposed in the host machine for generating a current. The signal transmission module has one end electrically connected to the signal generator. The electrode structure is electrically connected to the other end of the signal transmission module
Data Source
AI summary
The present invention relates to an electrical stimulation generating device for improving sleep disorders and the method thereof. The electrical stimulation generating device is used to generate a current, and the current has an electrical stimulation pulse. Finally, the current with the electrical stimulation pulse is transmitted to the skin of the individual, which can improve sleep disorders.