RF Plasma Skin Stimulation Apparatus with Segmented Current Control
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Solution Overview
Problem
Conventional skin care apparatus using plasma often causes pain due to direct current delivery to the skin, as the current is not effectively controlled to minimize discomfort during plasma generation for skin regeneration.
Innovation Solution
An apparatus with a housing that includes a hollow tube for gas injection, a current providing part for RF current generation within the tube, and a controller to manage the current and plasma delivery, ensuring the current is applied only at the distal end of the tube, minimizing external skin contact and pain, while allowing sequential provision of RF current and plasma for skin stimulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If current is delivered to the outside of the apparatus inserted into skin to generate plasma, then plasma can be generated for skin regeneration, but the patient feels pain due to direct current contact with skin
Solution Approach 1:
The current delivery system is segmented into two separate current providing parts: one for generating plasma inside the hollow tube and another for providing current to the skin outside the housing. This segmentation allows independent control of plasma generation and skin stimulation, eliminating pain while maintaining effectiveness
Solution Approach 2:
The hollow tube acts as an intermediary structure that contains the plasma generation process. The current providing part inside the hollow tube generates plasma without direct skin contact, while the current providing part outside the housing delivers current to the skin separately, thus mediating between plasma generation and skin stimulation to eliminate pain
2Productivity
If current is applied to generate plasma for skin regeneration, then skin regeneration is promoted, but discomfort is caused during the procedure
Solution Approach 1:
The device segments the current providing functions into two separate parts located at different positions (inside hollow tube and outside housing), allowing independent optimization of plasma generation efficiency and patient comfort during the procedure
Solution Approach 2:
The controller sequentially provides plasma and current to the skin through switching between first mode (plasma generation) and second mode (skin stimulation), enabling periodic alternation that maintains regeneration efficiency while improving comfort during the procedure
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 apparatus effectively generates plasma for skin regeneration while minimizing pain by controlling the current delivery, providing a more comfortable and efficient skin care experience through targeted plasma and RF current application.
Implementation Method 1
a first current providing part formed at a distal end of an inner surface of the hollow tube, and that provides a first current to an interior of the hollow tube
Implementation Method 2
at least one discharge hole formed at an opposite end of the hollow tube, and that discharges plasma generated at a distal end of the hollow tube
Data Source
AI summary
A stimulation providing apparatus, based on an RF current and plasma, is disclosed. The apparatus includes a housing inserted into skin, a hollow tube formed inside and along a lengthwise direction of the housing, an injection hole formed at one end of the hollow tube, and into which gas is injected, a first current providing part, formed at a distal end of an inner surface of the hollow tube and providing a first current to inside the hollow tube, a second current providing part, formed at a distal end of an outer surface of the housing and providing a second current to the skin, a controller that controls the first and current providing parts to sequentially providing the first and second currents, and at least one discharge hole, formed at an opposite end of the hollow tube and discharging plasma generated at a distal end of the hollow tube.