Microwave Tissue Treatment System with Temperature Feedback
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Solution Overview
Problem
Current energy-based therapies for tissue treatment face challenges in achieving enhanced therapeutic results with minimal adverse side effects and discomfort, particularly in delivering microwave energy non-invasively to achieve aesthetic and therapeutic outcomes.
Innovation Solution
A system comprising a microwave generator, applicator, and disposable components that utilize a specific frequency range (ISM band of 5.775 to 5.825 GHz) with a cooling system and antenna array to deliver controlled microwave energy, ensuring minimal tissue damage and effective treatment while maintaining a bio-barrier to prevent fluid ingress.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If microwave energy is delivered at higher power levels to enhance therapeutic results, then treatment effectiveness is improved, but tissue damage and adverse side effects increase
Solution Approach 1:
The system incorporates temperature sensors that continuously monitor tissue temperature during microwave delivery and provide real-time feedback to the control system. This feedback mechanism allows the system to adjust power levels dynamically to maintain therapeutic effectiveness while preventing excessive temperature rise that could cause tissue damage. The control system modifies delivery parameters based on sensed temperature to optimize the therapeutic window.
Solution Approach 2:
The microwave energy is delivered in controlled pulses or cycles rather than continuous exposure. The system alternates between energy delivery phases and cooling intervals, allowing tissue to dissipate heat during off-periods. This periodic delivery pattern enables accumulation of therapeutic effect while preventing excessive temperature buildup that would lead to tissue damage.
2Length of stationary object
If microwave energy is delivered deeper into tissue to treat sub-dermal layers, then treatment depth is improved, but energy control and precision are reduced
Solution Approach 1:
The treatment process is divided into multiple sequential stages targeting different tissue depths. The system delivers microwave energy at different power levels and durations for superficial versus deep tissue layers. Temperature sensors positioned at various depths provide feedback that enables independent control of energy deposition in each tissue layer, maintaining precision despite increased treatment depth.
Solution Approach 2:
The system employs multiple antenna elements or applicator zones with independently controllable power levels. Each region of the applicator can be tuned to deliver appropriate energy levels for the specific tissue depth being treated. This localized control allows precise energy delivery to deep sub-dermal layers while maintaining controlled exposure of superficial layers, preserving energy control precision across different depths.
3Productivity
If continuous microwave energy is delivered to maintain therapeutic effect, then treatment duration is reduced, but tissue overheating and discomfort increase
Solution Approach 1:
The system delivers microwave energy in repeated cycles of active delivery and cooling intervals. During delivery phases, therapeutic energy is applied to achieve treatment effects. During cooling intervals, energy delivery is paused to allow passive heat dissipation from the tissue. This periodic pattern maintains treatment efficiency by keeping the applicator in contact with tissue throughout while preventing continuous temperature accumulation that would cause overheating and discomfort.
Solution Approach 2:
The applicator maintains continuous contact with the treatment area throughout the procedure, ensuring uninterrupted therapeutic action. The periodic cooling intervals do not involve removal of the applicator but rather temporary reduction of energy delivery. This approach preserves continuity of the therapeutic effect while allowing temperature management, maintaining both treatment efficiency and tissue safety.
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 system provides effective non-invasive delivery of microwave energy, enhancing therapeutic outcomes with reduced side effects and discomfort, as evidenced by controlled power delivery and tissue engagement, ensuring precise energy distribution and safety.
Implementation Method 1
A system comprising a microwave generator, applicator, and disposable components that utilize a specific frequency range (ISM band of 5.775 to 5.825 GHz) with a cooling system and antenna array to deliver controlled microwave energy
Implementation Method 2
delivering microwave energy non-invasively to achieve aesthetic and therapeutic outcomes
Implementation Method 3
with a cooling system and antenna array to deliver controlled microwave energy, ensuring minimal tissue damage
Data Source
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AI summary
The present invention is directed to systems, apparatus, methods and procedures for the noninvasive treatment of tissue using microwave energy. In one embodiment of the invention a medical device and associated apparatus and procedures are used to treat dermatological conditions using microwave energy.