RF Esthetic Device Substrate with Controlled Energy Delivery
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current skin beautification methods, such as surgical procedures and chemical peels, come with drawbacks like scarring, discoloration, and inefficiency, while existing non-invasive techniques like light sources and RF energy treatments lack a comprehensive substrate solution that effectively combines their benefits.
Innovation Solution
A self-operated device with a flexible substrate equipped with RF electrodes, a generator, and a control unit that activates electrodes according to a predetermined protocol, incorporating temperature sensors and feedback mechanisms to ensure safe and efficient skin treatment, including skin rejuvenation and tightening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If surgical procedures are used for skin tightening, then skin tightening effect is improved, but risk of scarring and complications increases
Solution Approach 1:
The patent replaces mechanical surgical cutting and tissue manipulation with electromagnetic RF energy delivery through electrodes. The RF energy heats the dermis to contract collagen fibers and stimulate new collagen production, achieving skin tightening without physical incisions or mechanical trauma that cause scarring.
Solution Approach 2:
The patent utilizes the phase transition concept in thermal treatment by controlling the temperature of the dermis to reach specific thresholds (e.g., 60-70°C) that trigger collagen denaturation and contraction. This controlled thermal phase change enables tissue remodeling without surgical intervention.
2Strength
If chemical peels are used for skin treatment, then skin rejuvenation is improved, but risk of discoloration and injury increases
Solution Approach 1:
The patent replaces chemical peeling agents with electromagnetic RF energy delivery. The RF electrodes deliver controlled thermal energy to the dermis, stimulating collagen production and skin rejuvenation without chemical exposure that causes discoloration or epidermal injury.
Solution Approach 2:
The patent introduces RF electrodes as an intermediary medium that delivers energy non-invasively through the epidermis to the dermis. This intermediary approach allows selective heating of the target layer without direct chemical or mechanical contact that could cause harmful side effects.
3Strength
If RF energy is applied to heat the dermis for collagen contraction, then skin tightening is improved, but risk of thermal injury increases
Solution Approach 1:
The patent incorporates feedback control mechanisms where temperature sensors monitor the dermal temperature in real-time during RF treatment. The system adjusts RF power delivery based on temperature feedback to maintain collagen contraction effectiveness while preventing overheating and thermal injury to surrounding tissues.
Solution Approach 2:
The patent utilizes parameter changes by controlling RF frequency, power, and pulse duration to optimize heating efficiency. By adjusting these parameters dynamically, the system achieves effective collagen contraction at lower temperatures and shorter exposure times, reducing the risk of thermal injury.
4Area of stationary object
If multiple light sources are mounted on a substrate for skin treatment, then treatment coverage is improved, but device complexity increases
Solution Approach 1:
The patent creates a universal substrate platform that can accommodate multiple types of treatment elements (RF electrodes, light sources, sensors) in various configurations. This multi-functional substrate design allows the same base structure to support different treatment modalities, reducing overall device complexity while maintaining versatile treatment coverage.
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 device provides a safe and efficient treatment for skin rejuvenation and tightening by controlling RF energy delivery, preventing thermal injury and enhancing collagen contraction, resulting in improved skin appearance without the drawbacks of existing methods.
Implementation Method 1
heat was shown to contract these fibers and generate their production [Zelickson B D, Kist D, Bernstein E, Brown D B, Ksenzenko S, Burns J, Kilmer S, Mehregan D, Pope K. Histological and ultrastructural evaluation of the effects of a radiofrequency-based nonablative dermal remodeling device: a pilot study. Arch Dermatol. 2004 February; 140 (2):204-9]
Implementation Method 2
heat was shown to contract these fibers
Data Source
AI summary
The present invention provides a self-operated device for treating a skin of a patient, comprising: a. a substrate having a first side and a second side; b. a plurality of RF electrodes arranged in said substrate, said RF electrodes are configured to emit RF radiation from said first side to the surface of said skin; c. at least one RF generator configured to generate pulses of current to said RF electrodes; and, d. a control unit connected to said at least one RF generator, said control unit is adapted to control the operation of said RF electrodes; wherein said control unit is adapted to control the operation of said RF electrodes according to a predetermined treatment protocol, such that the same activates or deactivates at least one of said RF electrodes at any predetermined time interval according to a predetermined pattern so as to achieve a particular therapeutic result.