Subcutaneous Electric Field Distribution for Selective Fat Heating
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Solution Overview
Problem
Existing methods for reducing subcutaneous fat and addressing cellulite are either invasive with high risks and costs or non-invasive but ineffective, and they fail to adequately control electric field distribution in relation to varying muscle tissue depths, leading to inefficient heating during electrosurgical procedures.
Innovation Solution
A system with a handpiece and ground pad, where multiple electrodes are independently controlled to dynamically adjust electric potential relative to a reference potential, allowing for precise control of electric current distribution and heating depth in subcutaneous fat tissue, enabling non-invasive reshaping and reduction of adipose tissue.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If invasive surgical techniques such as liposuction and lipoplasty are used to remove subcutaneous fat, then the effectiveness of fat reduction is improved, but the risk of complications, cost, and recovery time increase
Solution Approach 1:
The patent replaces mechanical surgical intervention (liposuction needles, surgical incisions) with an electromagnetic field-based system. Electrosurgical electrodes deliver controlled electrical energy to heat and emulsify subcutaneous fat non-invasively, eliminating the need for physical penetration and surgical removal while maintaining fat reduction effectiveness.
Solution Approach 2:
The system controls the depth and distribution of electric current penetration by adjusting electrical parameters such as voltage, frequency, and electrode configuration. This allows selective heating of adipose tissue at different depths while avoiding damage to overlying skin and underlying muscle, achieving effective fat reduction with minimal risk.
2Object-affected harmful factors
If non-invasive interventions such as massage and low-level laser therapy are used for subcutaneous fat reduction, then the risk of complications is reduced, but the effectiveness of fat reduction deteriorates
Solution Approach 1:
The electrosurgical system employs periodic electrical pulses with controlled duty cycles to deliver thermal energy to subcutaneous fat. This periodic energy delivery allows cumulative heating of adipose tissue to temperatures sufficient for fat emulsification and destruction, achieving effectiveness comparable to surgical methods while maintaining non-invasive safety.
Solution Approach 2:
The system utilizes thermal phase transitions of fat tissue, heating adipose tissue to temperatures that cause phase changes in fat cells (membrane disruption, lipid liquefaction). This thermal mechanism enables effective fat destruction without mechanical invasion, bridging the gap between safety and effectiveness.
3Temperature
If radiofrequency energy is applied to the skin for local heating to tighten skin, then the skin tightening effect is improved, but unintended atrophy of sub-dermal fat layers occurs
Solution Approach 1:
The patent employs multiple electrodes at different depths and positions to create a focused electromagnetic field that concentrates thermal energy specifically within the subcutaneous fat layer. By optimizing electrode spacing, size, and configuration, the system achieves selective heating of adipose tissue while sparing overlying dermis for tightening and avoiding overheating of deeper muscle tissue, thus preventing fat atrophy.
Solution Approach 2:
The system incorporates temperature sensing and control mechanisms that monitor tissue temperature in real-time during electrosurgical treatment. This feedback allows dynamic adjustment of electrical power delivery to maintain temperatures within the therapeutic window for fat emulsification (40-50°C) while preventing excessive heating that would cause fat atrophy or damage to adjacent structures.
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
This approach allows for selective and efficient heating of subcutaneous fat with minimal impact on adjacent tissues, improving cosmetic outcomes and reducing recovery times without the risks associated with invasive procedures.
Implementation Method 1
applying electrical energy to a target tissue via at least one of the first electrode and the second electrode
Implementation Method 2
electrosurgical procedures that target subcutaneous fat, the depth of muscle tissue below the surface of the skin may greatly influence the distribution of electric currents, and therefore the heating distribution within the tissues
Data Source
AI summary
Apparatus and methods for dynamically controlling electric field distribution within tissue disposed at various depths beneath the skin at a target region of a patient's body by independently controlling the electric potential of each of a plurality of electrodes in relation to the electric potential of a ground pad. By controlling electric field distribution during a procedure, a target tissue at particular depths beneath the skin can be selectively heated relative to adjacent non-target tissue. At least one of the electrodes and the ground pad may comprise a spiral inductor comprising a substantially planar spiral of electrically conductive material.