Inductive Tissue Heating via Alternating Magnetic Fields
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods for skin rejuvenation, such as laser and radiofrequency treatments, face challenges in achieving specific and safe heating of the dermal layer with minimal risk of damage to collateral tissues, leading to inefficiencies and adverse effects like burns and subcutaneous fat atrophy.
Innovation Solution
The application of a high-frequency alternating magnetic field to induce heat in the dermis, utilizing a device with an inductive coil and impedance matching network, which allows for controlled heating and monitoring of heat feedback to ensure specific and safe tissue alteration, thereby promoting collagen production and skin tightening without electrical contact or capacitive coupling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If laser ablation procedures are used to heat the dermis for skin rejuvenation, then tissue contraction and wrinkle reduction are achieved, but burns to the epidermis and damage to surrounding tissues occur
Solution Approach 1:
The patent applies differential heating by targeting specific tissue layers with different thermal properties. The dermis is heated to therapeutic temperatures (40-45°C) while the epidermis is protected through selective wavelength absorption and controlled exposure time, achieving localized thermal effects without damaging surrounding tissues
Solution Approach 2:
The patent employs pulsed laser delivery with specific duty cycles and repetition rates. By delivering energy in controlled pulses rather than continuous waves, the tissue has time to dissipate heat between pulses, preventing excessive temperature buildup and epidermal burns while maintaining effective dermal heating
2Object-affected harmful factors
If non-ablative lasers are used to reduce damage to surrounding tissues, then safety is improved, but skin tightening effects are significantly reduced
Solution Approach 1:
The patent uses continuous or long-pulse laser delivery modes that maintain sustained thermal exposure to the dermis. This continuous heating action allows for cumulative thermal effects that promote collagen denaturation and tissue contraction, achieving skin tightening while maintaining safety through controlled parameters and cooling mechanisms
3Temperature
If radiofrequency devices are used for skin rejuvenation, then deep tissue heating is achieved, but subcutaneous fat atrophy and burns occur
Solution Approach 1:
The patent employs dynamic parameter adjustment where laser wavelength, pulse duration, and power output are varied during treatment based on real-time tissue response and anatomical considerations. This dynamic control allows optimization of heating depth and intensity, achieving effective dermal heating while preventing excessive temperature exposure that causes fat atrophy and burns
4Quantity of substance
If chemical peels or mechanical dermabrasion are used to treat wrinkles, then skin surface renewal is achieved, but downtime and risk of complications increase
Solution Approach 1:
The patent replaces mechanical dermabrasion and chemical peeling with optical energy delivery. Laser or light-based heating stimulates collagen production and skin renewal through photothermal and photomechanical effects, achieving epidermal turnover and wrinkle reduction without the physical removal of tissue, thereby eliminating downtime and associated complications
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 method provides non-invasive, controlled heating of the dermal layer, reducing the risk of burns and achieving effective skin tightening and collagen production, improving cosmetic outcomes while minimizing damage to superficial tissues.
Implementation Method 1
The application of a high-frequency alternating magnetic field to induce heat in the dermis
Implementation Method 2
utilizing a device with an inductive coil and impedance matching network, which allows for controlled heating
Data Source
AI summary
Provided herein are methods and devices for inductively heating a tissue to effect a biological response in the tissue or in a biomolecule comprising the same. The methods and devices comprise means for applying a high frequency alternating magnetic field via an inductive coil comprising an applicator to the tissue and means for monitoring feedback from the alternating magnetic field to control and/or adjust heat, for example, in the tissue, which further includes a means for cooling the tissue. Particularly, the device may be a hand held piece that incorporates or has at least an applicator, including a radiofrequency energy generator and output, an inductive coil, an impedance matching system, a cooling system, including a thermally conductive surface and a coolant housing containing a coolant that circulates through the thermally conductive surface, and a feedback monitor. Optionally, the device may comprise a tissue-shaper.