Rotating RF Applicator Head With Vacuum for Uniform Skin Heating
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Solution Overview
Problem
Existing skin treatment devices fail to provide an effective combination of RF energy application and massage, leading to uneven heat distribution and potential burns, as well as inadequate penetration and massage efficacy.
Innovation Solution
A device with a rotatable applicator head featuring a cavity with a non-constant cross-section and vacuum mechanism, which applies RF energy while rotating to ensure homogeneous heat distribution and deep tissue penetration, combined with a massage effect.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If RF energy is applied to the skin using conventional devices, then skin tightening and fat reduction are achieved, but uneven heat distribution occurs leading to potential burns
Solution Approach 1:
The applicator head is made rotatable around an axis, transforming a static RF application device into a dynamic one. The rotation mechanism allows the RF electrodes to continuously move across the skin surface, distributing heat more uniformly and preventing localized overheating that causes burns.
Solution Approach 2:
The patent combines RF energy application with mechanical massage functions in a single integrated device. The applicator head incorporates both RF electrodes and massage elements (such as rollers or vibrating components), allowing simultaneous thermal and mechanical treatment of the skin.
2Reliability
If conventional skin treatment devices apply RF energy and massage separately, then each function can be optimized, but treatment effectiveness is reduced due to lack of integration
Solution Approach 1:
The device merges RF energy application and mechanical massage into a single integrated applicator head. The RF electrodes and massage elements are positioned to work simultaneously on the same skin area, enhancing treatment effectiveness through combined thermal and mechanical actions.
Solution Approach 2:
The applicator head is designed to perform multiple functions: RF heating, mechanical massage, and skin suction/retention. This multi-functional design allows a single device to replace multiple separate treatment tools, improving efficiency while managing complexity through integrated engineering.
3Ease of manufacture
If the applicator head cross-section is constant during rotation, then manufacturing is simplified, but massage efficacy is reduced due to inadequate tissue penetration
Solution Approach 1:
The applicator head is designed with an asymmetric cross-section that varies at different angular positions around the rotation axis. This asymmetric geometry creates varying pressure zones during rotation, enhancing massage efficacy by providing both gentle and deep pressure to different tissue areas throughout the rotation cycle.
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 solution achieves uniform heat distribution and enhanced skin massage, reducing the risk of burns and improving treatment effectiveness by ensuring deeper tissue penetration and consistent massage, thus providing a more efficient cosmetic skin treatment.
Implementation Method 1
a pump for reducing a pressure in the cavity for sucking the portion of the skin of the subject into the cavity
Implementation Method 2
The resistance offered by the (skin) tissue to the passage of the current produces the transformation of RF energy into thermal energy
Implementation Method 3
applying electromagnetic energy, particularly RF energy, to the skin
Implementation Method 4
applying RF energy while rotating to ensure homogeneous heat distribution
Implementation Method 5
enhanced skin massage, reducing the risk of burns and improving treatment effectiveness by ensuring deeper tissue penetration
Data Source
AI summary
An apparatus for treatment of a skin of a subject is provided. The apparatus comprises a base, an applicator head which is rotatably mounted with respect to the base around an axis of rotation, and defines a cavity for receiving a portion of the skin of the subject, a drive for rotating the applicator head, and a pump for reducing a pressure in the cavity for sucking the portion of the skin of the subject into the cavity. The applicator head further comprises one or more electrodes, and the apparatus further comprises one or more electrical power sources and a control system for controlling electrical energy supply to the electrodes. A cross-section of the cavity with a plane comprising the axis of rotation is non-constant in rotation. Also disclosed are methods for treatment of the skin.