Modular Neuromodulation Assembly with Adjustable Vibration
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Solution Overview
Problem
Current neuromodulatory devices lack the ability to adjust both amplitude and frequency, which are essential for optimizing neuromodulation responses during rehabilitation, particularly in musculoskeletal rehabilitation and neural/motor patterning.
Innovation Solution
A modular, handheld device utilizing battery-powered technology with a vibrating shaft and interchangeable effectors that can adjust amplitude between 0.1 mm to 1 mm and frequency up to 120 Hz, allowing for variable neuromodulation by targeting muscle or muscle-tendon junctions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If large amplitude vibration devices are used, then vibration intensity is improved, but frequency adjustability deteriorates
Solution Approach 1:
The device employs a dynamic control system that allows real-time adjustment of both amplitude and frequency parameters. The motor controller can dynamically modify vibration characteristics based on treatment requirements, enabling the system to adapt between high-intensity low-frequency and low-intensity high-frequency modes as needed for different rehabilitation scenarios.
Solution Approach 2:
The invention implements independent control of amplitude and frequency parameters through a microprocessor-based control system. Users can adjust amplitude from 0.1mm to 1mm and frequency from 20Hz to 120Hz independently, allowing the device to change physical parameters to match specific therapeutic needs rather than being fixed in a single vibration mode.
2Productivity
If frequency is increased for neuromodulation, then neuromodulation efficacy is improved, but vibration amplitude decreases
Solution Approach 1:
The control system enables dynamic adjustment of the relationship between frequency and amplitude. During neuromodulation protocols requiring high frequency (20-120 Hz), the system can maintain appropriate amplitude levels by independently controlling the motor, rather than being constrained by fixed mechanical linkages that would force a trade-off between frequency and amplitude.
Solution Approach 2:
The microprocessor control allows independent modification of frequency and amplitude parameters. The system can increase frequency to 120 Hz for enhanced neuromodulation while maintaining amplitude within the therapeutic range of 0.1mm to 1mm, decoupling the traditional inverse relationship between these parameters.
3Adaptability or versatility
If adjustable amplitude and frequency controls are added, then adaptability is improved, but device complexity increases
Solution Approach 1:
The microprocessor control system serves multiple functions: it controls motor speed, regulates amplitude, adjusts frequency, and manages power delivery. By consolidating these control functions into a single integrated controller rather than separate mechanical adjustments, the device achieves multi-parameter adaptability without proportionally increasing overall complexity.
Solution Approach 2:
The invention replaces traditional mechanical vibration generators with an electronically controlled motor system. Instead of using complex mechanical linkages, gears, or eccentric weights to achieve vibration adjustment, the system uses electronic control of an electric motor, simplifying the mechanical structure while enabling precise digital adjustment of amplitude and frequency parameters.
4Ease of operation
If handheld portability is achieved, then ease of operation is improved, but power availability deteriorates
Solution Approach 1:
The device utilizes periodic charging cycles to manage power consumption. The rechargeable battery is charged during periods when the device is not in use, and the compact size allows it to be easily carried and recharged. The control system manages power delivery during operation to extend battery life, enabling portable use without continuous power availability requirements.
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
Enables increased efficacy in motor patterning and rehabilitation by creating a window of neuromodulation for the brain, spinal cord, and target muscles, enhancing musculoskeletal rehabilitation outcomes.
Implementation Method 1
The shaft/effector vibrates rapidly (i.e. up to 120 Hz) to create a window of neuromodulation for the brain, spinal cord, and target muscles
Data Source
AI summary
A modular neuromodulation assembly combines the ability to adjust both amplitude and frequencies for the benefit and improved outcomes of injuries and impairments in the arena of musculoskeletal rehabilitation and neural/motor patterning. The assembly includes a rechargeable power supply and a control board. An electric motor is used to regulate the amplitude and frequency of operation of the electric motor. An effector rod is selectively coupled to the electric motor and configured to extend the vibratory effects of the motor to the patient. The effector rod includes an effector tip coupled to a distal end of the effector rod. Operation of the electric motor induces a linear motion through the effector rod at a desired frequency and amplitude.