Electrical Treatment Device Pulse Voltage Frequency Control
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Solution Overview
Problem
Existing electrical stimulation devices may provide unintended strong stimulation due to varying frequencies, causing discomfort to users, as they do not have mechanisms to adjust or control the intensity effectively within a predetermined frequency range.
Innovation Solution
An electrical treatment device with a treatment content setting unit, a treatment execution unit, and an output control unit that adjusts pulse voltage frequency and intensity based on user input, ensuring comfortable treatment by varying the pulse voltage within a predetermined frequency range, typically between 20 Hz to 60 Hz, to avoid strong stimulation and muscle contraction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the electrical stimulation device outputs a pulse voltage with varying frequency within a predetermined frequency range, then the treatment effectiveness is improved, but the user may experience unintended strong stimulation and discomfort
Solution Approach 1:
The device outputs a pulse voltage at a first frequency (maximum frequency or 20-60 Hz) before the actual treatment to allow users to adjust the electrical stimulation intensity in advance. This preliminary action enables users to set appropriate intensity levels before exposure to varying frequencies, preventing unintended strong stimulation and discomfort during treatment.
Solution Approach 2:
The device receives user input regarding desired electrical stimulation intensity during the preliminary frequency output phase. This feedback mechanism allows the system to adjust the pulse voltage parameters according to user preferences before initiating the varying frequency treatment, ensuring comfortable and effective treatment.
2Ease of operation
If the pulse voltage frequency is varied within a predetermined frequency range during treatment, then the treatment comfort is improved, but the electrical stimulation intensity control becomes more complex
Solution Approach 1:
The device separates the intensity adjustment phase from the treatment phase by outputting pulse voltage at a first frequency before treatment. Users adjust intensity during this preliminary phase when frequency variation is not yet applied, simplifying the control mechanism while maintaining treatment comfort during the actual treatment phase.
Data Source
AI summary
An electrical treatment device (200) includes a treatment content setting unit (302), a treatment execution unit (306), and an output control unit (304) that outputs a pulse voltage at a first frequency within a predetermined frequency range before treatment of a site is performed by the treatment execution unit (306). When the pulse voltage is output at the first frequency, the treatment content setting unit (302) receives input of an electrical stimulation intensity desired by a user. The treatment execution unit (306) executes the treatment of the site by varying the pulse voltage corresponding to the electrical stimulation intensity desired by the user within the predetermined frequency range.