Adaptive Microcurrent Circuit for Constant-Current TMJ Treatment
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Solution Overview
Problem
Existing TMJ treatments, such as systemic medications, often come with significant side effects like drowsiness, necessitating a need for an alternative approach to alleviate TMJ disorders without these negative effects.
Innovation Solution
A microcurrent device is used to apply stimulation current through the maxillary and/or mandibular nerve, adjusting the voltage based on impedance changes, with a treatment mode initiated when impedance drops below a threshold, and a user interface notification, providing relief from TMJ disorders.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If systemic medications such as muscle relaxants are used to treat TMJ disorders, then pain and inflammation are alleviated, but significant side effects including drowsiness occur
Solution Approach 1:
The patent replaces pharmacological treatment (chemical system) with electrical stimulation (physical system). The microcurrent device delivers low-level electrical current through electrodes placed on the jaw and neck muscles, substituting the chemical action of muscle relaxants with direct electrical stimulation of the neuromuscular system, thereby achieving pain relief without systemic medication side effects
Solution Approach 2:
The patent introduces electrical current as an intermediary between the treatment device and the target muscles/nerves. Instead of medications entering the bloodstream and affecting the entire body, the electrical current is localized to specific muscles and nerves in the jaw and neck region, providing targeted therapy that spares the rest of the body from side effects
2Reliability
If a microcurrent device applies stimulation voltage between treatment and return electrodes, then TMJ treatment is provided, but impedance variations during treatment require continuous voltage adjustment to maintain constant current
Solution Approach 1:
The patent implements a feedback control system where the device continuously monitors the electrical impedance between the treatment and return electrodes. Based on this impedance measurement, the control circuit automatically adjusts the output voltage to maintain a constant stimulation current, ensuring reliable and consistent therapeutic effect despite changes in tissue properties or electrode-skin contact
Solution Approach 2:
The device performs self-adjustment of stimulation parameters without requiring external intervention. The built-in impedance sensing and voltage control circuits automatically adapt the treatment parameters to the user's physiological conditions, making the device self-regulating and reducing the need for manual calibration or monitoring by healthcare providers
3Ease of operation
If impedance detection is used to identify treatment locations, then targeted stimulation is achieved, but the treatment mode initiation requires impedance to drop below a threshold
Solution Approach 1:
The patent utilizes changes in electrical impedance as a parameter to detect treatment locations. When the treatment electrode is placed on or near the target nerve or muscle, the impedance drops below a predetermined threshold, automatically triggering treatment mode. This parameter-based detection method simplifies operation while providing sufficient precision for clinical application
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 microcurrent device effectively alleviates TMJ symptoms by delivering targeted electrical stimulation, offering relief from pain and inflammation without the side effects associated with conventional medications.
Implementation Method 1
applying a treatment electrode of a microcurrent device to a user's skin superjacent to the user's maxillary and/or mandibular nerve, applying a stimulation voltage between the treatment electrode and a return electrode
Implementation Method 2
detecting an impedance between the treatment electrode and the return electrode of the microcurrent device, and initiating a treatment mode of the microcurrent device by initiating a user interface notification that the treatment electrode is at a treatment location when the impedance drops below a threshold
Data Source
AI summary
A temporomandibular joint (TMJ) disorder microcurrent treatment device and methods of operating the microcurrent device that includes a treatment electrode and at least one return electrode. The TMJ microcurrent treatment device may output and maintain a constant current treatment waveform.