Segmented RF Electrode for Uniform Skin Contact
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing RF electrodes for cosmetic body shaping often result in partial contact with the skin, leading to reduced efficiency and non-uniform heat distribution, causing undesirable treatment outcomes.
Innovation Solution
A segmented electrode with an array of RF energy applying surfaces mounted on a substrate via electro-mechanical energy converting elements, which includes contact sensing mechanisms and an adhesive gel dispenser, allowing for improved adhesion and uniform heat distribution through mechanical movement and vibration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a conventional RF electrode is used, then the device structure is simple, but the electrode-skin contact is partial resulting in non-uniform heat distribution
Solution Approach 1:
The electrode surface is divided into multiple independent contact segments or zones, each capable of making contact with the skin independently. This segmentation allows the electrode to adapt to skin topography variations and maintain uniform contact across the entire treatment area, resolving the contradiction between contact uniformity and structural simplicity.
Solution Approach 2:
The electrode incorporates dynamic elements such as flexible or movable contact surfaces that can adjust their position and shape in real-time to conform to the skin's surface. This dynamic adaptation ensures consistent electrode-skin contact regardless of skin topography, achieving uniform heat distribution without requiring complex rigid structures.
2Reliability
If adhesive gel is applied to improve contact, then the electrode-skin adhesion is enhanced, but the treatment cost increases due to consumable materials
Solution Approach 1:
The electrode design incorporates self-adhesive properties through integrated adhesive layers or surfaces that bond directly to the skin without requiring external gel materials. This self-service approach maintains reliable electrode-skin adhesion while eliminating the need for consumable adhesive gels, thereby reducing treatment costs and material waste.
Solution Approach 2:
The electrode incorporates a disposable adhesive layer or contact surface that can be easily replaced between uses. This disposable component ensures reliable adhesion for each treatment session while being inexpensive enough to discard, eliminating the need for expensive reusable adhesive gels and simplifying hygiene requirements.
3Temperature
If partial contact between electrode and skin occurs, then the device operation is simple, but the heat distribution becomes non-uniform causing overheating in some areas
Solution Approach 1:
The electrode incorporates different contact properties in different regions, with varying degrees of flexibility, pressure distribution, or thermal conductivity across its surface. This local quality variation ensures that each region of the electrode optimally contacts the skin in its specific location, achieving uniform heat distribution across the entire treatment area while maintaining simple overall operation.
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 electrode-skin contact quality, ensuring more efficient and uniform heat distribution, resulting in safer and more effective cosmetic treatments.
Implementation Method 1
Electrical activation of electro-mechanical energy converting elements may bring about expansion and contraction of the elements resulting in mechanical movement such as vibration.
Implementation Method 2
Such a mechanical movement may cause the surface of a segment of skin to glide under the electrode, distribute more uniformly and conform to the topography of the RF energy applying surfaces bringing about an improved and optimized electrode-skin contact.
Implementation Method 3
The electrodes' RF energy applying surface, coupled with the surface of the skin, generate in the skin an electric current that in-turn generates heat in the skin and underlying subcutaneous tissues to create the desired effect of tissue shrinkage.
Implementation Method 4
Heating the skin and underlying tissues causes tissue shrinkage and produces the desired cosmetic effect.
Data Source
AI summary
Disclosed are a method and apparatus for improving electrode-skin contact. The electrode is a segmented electrode having an array of energy applying surfaces mounted on a substrate via at least one electro-mechanical energy converting element to a segment of skin. The electrode is coupled to the skin and a mechanism monitors the quality of electrode-skin contact under the energy applying surfaces. Activation of the electro-mechanical energy converting elements effects mechanical movement of the skin and energy applying surfaces and redistributes the skin surface coupled to the electrodes conforming it to the topography of the RF energy applying surfaces to optimize electrode-skin contact. The segmented electrode is operative to be disposable while enabling reuse of costly components of the electrode.