Photobiomodulation LED Pulse Control for Nitric Oxide Release
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Solution Overview
Problem
Existing photobiomodulation therapy devices lack the ability to effectively vary pulse frequencies of red, infrared, and blue LEDs to maximize nitric oxide release from hemoglobin, limiting therapeutic efficacy.
Innovation Solution
A photobiomodulation therapy device incorporating a control circuitry system that adjusts the pulse rates of blue, red, and infrared LEDs to optimize nitric oxide release, utilizing a range of frequencies for each LED type.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If fixed pulse frequencies are used for blue, red, and infrared LEDs, then the device structure is simple, but the nitric oxide release efficiency is limited
Solution Approach 1:
The patent implements dynamic pulse frequency modulation for different LED types. The control system varies pulse frequencies based on wavelength characteristics: blue LEDs (405-470nm) operate at higher frequencies (1-100Hz), red LEDs (630-680nm) at medium frequencies (0.1-10Hz), and infrared LEDs (780-1100nm) at lower frequencies (0.01-1Hz). This dynamic adjustment optimizes nitric oxide release efficiency while maintaining manageable device complexity through automated control.
Solution Approach 2:
The patent changes the pulse frequency parameter according to LED wavelength. By establishing a relationship between wavelength and optimal pulse frequency, the system maximizes photobiomodulation effectiveness. The control circuitry automatically adjusts pulse frequencies based on pre-programmed parameters corresponding to each LED type's spectral characteristics, improving nitric oxide release without requiring complex manual intervention.
2Productivity
If varying pulse frequencies are implemented for different LED types, then nitric oxide release is optimized, but the control system complexity increases
Solution Approach 1:
The patent employs a universal control system that manages multiple LED types (blue, red, infrared) with different pulse frequency requirements through a single integrated controller. This multi-functional approach consolidates what could be multiple separate control systems into one unit, reducing overall complexity while achieving optimized nitric oxide release across all wavelength ranges.
Solution Approach 2:
The control system is programmed with pre-established pulse frequency parameters for each LED type based on their spectral characteristics. Once configured, the system automatically selects and applies appropriate pulse frequencies without requiring real-time manual adjustment, making the complexity management self-service and reducing operational burden.
3Illumination intensity
If blue LEDs with shorter wavelength are used, then surface-level treatment is achieved, but tissue penetration depth is limited
Solution Approach 1:
The patent segments the treatment approach by wavelength and target depth. Blue LEDs (405-470nm) are assigned to superficial treatments with higher pulse frequencies (1-100Hz) for surface-level nitric oxide release. Red LEDs (630-680nm) handle intermediate depths with medium frequencies (0.1-10Hz). Infrared LEDs (780-1100nm) address deeper tissues with lower frequencies (0.01-1Hz). This segmentation allows each wavelength to optimize its specific penetration range without compromising overall treatment effectiveness.
Solution Approach 2:
The patent applies periodic pulsed illumination with frequency variations matched to each wavelength's penetration characteristics. The periodic action at optimized frequencies enhances photobiomodulation effects and nitric oxide release at different tissue depths, allowing blue light to effectively treat surface layers while deeper layers receive appropriate wavelengths with matching pulse patterns.
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
Enhances nitric oxide release from hemoglobin, thereby improving therapeutic outcomes by increasing the depth of tissue penetration and efficacy of photobiomodulation therapy.
Implementation Method 1
blue, red and infrared light emitting diodes (LEDs)
Implementation Method 2
the tissue penetration depth of light increases with its wavelength, blue light from blue LEDs may have a smaller tissue penetration depth than red light from red LEDs, and red light from red LEDs may have a smaller tissue penetration depth than infrared light from infrared LEDs
Implementation Method 3
Photobiomodulation therapy devices emit blue, red, infrared light to release nitric oxide from hemoglobin in a user's body
Data Source
AI summary
A photobiomodulation therapy device can include a receiving pad for receiving a portion of a user's body; a first plurality of blue LEDs, wherein at least a first portion of the first plurality of blue LEDs is attached to the receiving pad; a second plurality of red LEDs, wherein at least a first portion of the second plurality of red LEDs is attached to the receiving pad; and a third plurality of infrared LEDs, wherein at least a first portion of the third plurality of infrared LEDs is attached to the receiving pad; control circuitry operably coupled to the first plurality of blue LEDs, the second plurality of red LEDs, and the third plurality of infrared LEDs, wherein the control circuitry is configured at least to: set the pulse rates of the first plurality of blue LEDs, the second plurality of red LEDs, and the third plurality of infrared LEDs.