Portable TENS Device with Integral Electrodes and Asymmetrical Waveform
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Solution Overview
Problem
Current pain management methods, such as bio-active chemical agents, often fail to provide effective relief and are associated with unacceptable side effects, while traditional TENS devices may not offer optimal user comfort and compliance due to limited control over treatment protocols.
Innovation Solution
A portable TENS device with integral electrodes that generates an asymmetrical biphasic square pulse waveform, incorporating both Opiate Release Theory and Gate Control Theory in a consolidated protocol for enhanced pain management, allowing for user-controlled intensity and wireless remote operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional TENS devices use separate electrodes attached by wires, then the device can be controlled by a therapist, but the device lacks portability and user autonomy
Solution Approach 1:
The patent combines the electrodes and the TENS device into a single integrated unit. The electrodes are built into the device housing, eliminating the need for separate wire connections. This merging allows the device to be portable and self-controlled while maintaining all necessary functional components.
Solution Approach 2:
The integrated TENS device serves multiple functions: it generates electrical stimulation pulses, houses the electrodes for skin contact, provides wireless remote control capability, and enables both therapist and self-control modes. This multi-functionality resolves the contradiction by making the device both portable and therapeutically effective.
2Adaptability or versatility
If TENS devices use symmetrical biphasic waveforms, then the device structure is simpler, but the device cannot provide optimized pain management according to different pain theories
Solution Approach 1:
The patent employs an asymmetrical biphasic waveform where the first phase has a different duration than the second phase. This asymmetry allows the device to deliver different stimulation patterns that can target different pain mechanisms, enabling implementation of both Gate Control Theory and Opiate Release Theory protocols without requiring multiple separate devices.
Solution Approach 2:
The device provides dynamic waveform capabilities through programmable pulse durations, frequencies, and asymmetrical phase ratios. This dynamic control allows the same device to adapt to different pain management theories and patient needs, resolving the contradiction between versatility and complexity.
3Ease of operation
If TENS devices provide only basic stimulation, then the device is simpler to operate, but the device cannot provide enhanced user comfort and compliance
Solution Approach 1:
The patent incorporates wireless remote control that allows users to adjust stimulation parameters in real-time based on their comfort levels. This feedback mechanism enables users to optimize their treatment experience, enhancing comfort and compliance while maintaining relatively simple device operation through the remote interface.
Solution Approach 2:
The device includes pre-programmed protocols that combine Gate Control Theory and Opiate Release Theory parameters. These preliminary configurations allow users to start with optimized settings immediately, enhancing comfort without requiring users to understand complex adjustment procedures, thus resolving the contradiction between comfort and operational simplicity.
Data Source
AI summary
A TENS apparatus includes a portable TENS device having a housing with a lower surface, a pair of integral electrodes that are incorporated in the lower surface of the housing, and a pulse driver that is located within the housing and adapted to generate a program of pulse waveforms, each of which is an asymmetrical biphasic square waveform.