Microwave Heat Spread with Non-Invasive Temperature Feedback
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Solution Overview
Problem
Existing non-invasive microwave treatments for pain and degenerative musculoskeletal diseases face challenges in evenly distributing heat from the surface to deep body parts and require invasive temperature monitoring, causing patient discomfort.
Innovation Solution
A microwave heat spread apparatus with multiple antennas and channel transceivers that non-invasively distribute heat by controlling microwave radiation based on temperature changes detected through intensity and phase differences of microwaves, using a controller to adjust heat generation to prevent overheating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If microwaves are radiated into the human body to generate heat for treating pain and degenerative musculoskeletal diseases, then therapeutic heating effect is achieved, but heat cannot be evenly distributed from surface to deep parts
Solution Approach 1:
The system divides the body into multiple regions, each monitored by dedicated sensor nodes that detect temperature in their specific zones. This segmentation allows independent temperature control for different body parts, enabling uniform heat distribution across both surface and deep tissues by adjusting microwave power to each region separately.
Solution Approach 2:
The system applies different heating intensities to different regions based on local temperature requirements. Sensors detect temperature variations in specific areas, and the control system adjusts microwave radiation locally to achieve uniform heat distribution, with deeper regions receiving different power levels than surface regions.
2Measurement precision
If sensors are inserted into the body to monitor and maintain temperature, then temperature control precision is improved, but patient suffering and invasiveness increase
Solution Approach 1:
The system uses microwave signals as an intermediary to indirectly measure temperature. Instead of inserting physical sensors, microwave transmission characteristics (such as attenuation and phase shift) are used as proxies for temperature detection, allowing non-invasive temperature monitoring with sufficient precision for therapeutic control.
Solution Approach 2:
The system replaces the mechanical insertion of temperature sensors with electromagnetic field-based detection. Microwave signals penetrate the tissue and their interaction with the tissue provides temperature information without requiring physical contact or insertion, thereby eliminating patient discomfort associated with invasive procedures.
3Area of stationary object
If multiple antennas are used to radiate microwaves for heat generation, then heat coverage area is improved, but risk of high heat and overheating increases
Solution Approach 1:
The system implements real-time feedback control where sensor nodes continuously monitor temperature in multiple regions, and the control system adjusts the power output of each antenna based on detected temperature levels. This feedback mechanism prevents overheating by reducing or stopping microwave radiation to areas that have reached therapeutic temperature, while maintaining treatment coverage across the entire target area.
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
Uniform heat distribution and non-invasive temperature monitoring prevent overheating, ensuring effective treatment of pain and musculoskeletal diseases while minimizing patient discomfort.
Implementation Method 1
a plurality of antennas respectively disposed at a plurality of positions of the human body and radiating microwaves into the human body
Implementation Method 2
a detector configured to detect a difference between a signal received through a channel transceiver after passing through the human body and a signal before passing through the human body
Data Source
AI summary
A microwave heat spread apparatus and an operating method thereof are provided. The microwave heat spread apparatus includes: a plurality of antennas respectively disposed at a plurality of positions of the human body and radiating microwaves into the human body; a plurality of channel transceivers respectively connected to the plurality of antennas and configured to transmit and receive the microwaves through a corresponding antenna; a transmission signal distributor configured to distribute a signal to each of the plurality of channel transceivers; a controller configured to control transmission and reception of signals through the channel transceivers; and a detector configured to detect a difference between a signal received through a channel transceiver after passing through the human body and a signal before passing through the human body.