Adaptive RF Skin Treatment Tip with Elastic Contact Pins
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Solution Overview
Problem
Existing non-invasive RF skin treatment apparatuses face challenges in achieving uniform RF irradiation due to skin curvature, leading to inconsistent treatment effects and discomfort for the patient.
Innovation Solution
A tip for a high-frequency skin treatment apparatus with adaptively deformable contact pins that automatically adjust their height using an elastic force to conform to the skin's curvature, ensuring uniform contact and energy distribution across the skin surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a flat skin contact portion is used for non-invasive RF irradiation, then the apparatus structure is simple, but the RF irradiation is non-uniform due to skin curvature
Solution Approach 1:
The skin contact portion is divided into multiple contact pins instead of a single flat surface. Each contact pin can independently contact the skin at different heights, allowing the segmented structure to adapt to skin curvature while maintaining uniform RF irradiation across the treatment area.
Solution Approach 2:
The contact pins are designed with elastic bodies that allow dynamic adjustment of their contact height. This dynamic capability enables the rigid pins to adapt to the curved skin surface, ensuring uniform RF delivery without requiring a complex flexible structure.
2Manufacturing precision
If the tip is pressed hard to contact the entire skin area, then uniform contact is achieved, but the patient feels uncomfortable or painful
Solution Approach 1:
By segmenting the contact surface into multiple pins, the total contact pressure is distributed across many discrete points rather than concentrated on a single flat surface. This segmentation allows uniform contact without requiring excessive overall pressure, reducing patient discomfort.
Solution Approach 2:
Each contact pin independently adjusts its local contact pressure through elastic deformation, ensuring that each pin contacts the skin with appropriate force without requiring the entire tip to be pressed hard. This local adaptation maintains contact uniformity while minimizing overall pressure and patient discomfort.
3Manufacturing precision
If contact pins are used to adapt to skin curvature, then RF irradiation uniformity is improved, but the device complexity increases
Solution Approach 1:
The elastic body changes its physical state (compressed or extended) based on skin curvature, automatically adjusting the contact pin height without requiring complex mechanical control systems. This parameter change approach achieves adaptation to skin curvature while keeping the device structure relatively simple.
Solution Approach 2:
The elastic body automatically adjusts the contact pin height in response to skin curvature without external control. This self-adjusting mechanism eliminates the need for complex control systems or actuators, achieving adaptive RF irradiation with minimal added device complexity.
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
Enables uniform RF irradiation regardless of skin curvature, improving treatment efficacy and patient comfort by maintaining consistent contact and energy delivery.
Implementation Method 1
an elastic body included inside the fixed frame and the movable frame, to be compressed or extended according to an external force received by the movable frame to thereby move the movable frame
Implementation Method 2
contact pins that come into close contact with skin of a human body to irradiate the skin with the RF signal
Data Source
AI summary
The present disclosure relates to a tip for a high-frequency skin treatment apparatus irradiating uniform radio frequency (RF), the tip being coupled to a handpiece to radiate a radio frequency (RF) signal to a human body in a non-invasive way, and comprising: a housing; a contact portion coupled to the housing and comprising a plurality of contact pins that come into close contact with skin of the human body to irradiate the skin with the RF signal; and a driver configured to drive the contact portion so that the contract portion radiates the RF signal according to a control signal transferred from the handpiece. Each of the contact pins comprises: a fixed frame; a moving frame; and an elastic body. The elastic body connects an upper inner surface of the fixed frame to an upper inner surface of the moving frame.