Skin Treatment Device With Shaped Transducers and Impedance Feedback

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Solution Overview

Problem

Existing skin treatment devices lack the ability to adapt their treatment methods based on the condition of the skin and often cause skin burning due to inadequate control of energy intensity and lack of mobility.

Innovation Solution

A medical skin treatment device with a control unit that adjusts vibration or electrical energy intensity based on skin impedance, includes transducers for targeted energy delivery, and features a thermoelectric element for cooling and a suction mechanism to prevent skin burning, along with a drug injection system for enhanced treatment options.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If vibration energy intensity is increased to improve fat removal effect, then treatment efficacy is improved, but skin burning risk increases

Engineering Contradiction:
Improvefat removal effectVSAvoidskin burning
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The device measures skin impedance using electrode units before treatment and uses this feedback to automatically determine and adjust the appropriate vibration energy intensity level, preventing skin burning while ensuring effective fat removal

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system changes the energy intensity parameter dynamically based on measured skin impedance values, selecting from multiple predetermined intensity levels to match individual skin conditions and prevent burning

Inventive Principle:
Principle #35Parameter changes

2Reliability

If treatment parameters are adjusted for each patient to prevent burning, then safety is improved, but device complexity increases

Engineering Contradiction:
ImprovesafetyVSAvoidcontrol system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The device automatically measures skin impedance and determines appropriate treatment parameters without requiring manual adjustment by the operator, reducing operational complexity while maintaining safety

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system provides dynamic adaptation to individual patient conditions through automated impedance-based parameter adjustment, making the device flexible without requiring complex manual control mechanisms

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If multiple treatment modalities are integrated to enhance versatility, then adaptability is improved, but device complexity increases

Engineering Contradiction:
Improvetreatment method varietyVSAvoiddevice structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The device integrates multiple treatment capabilities (vibration energy for fat removal, electrical energy for skin tightening, drug injection) into a single handheld unit with a universal control system that manages all modalities through a unified interface

Inventive Principle:
Principle #6Universality (Multi-functionality)

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 adaptable and safe skin treatment by controlling energy intensity based on skin impedance, preventing burning, and offering multiple treatment modalities including drug injection, enhancing user convenience and treatment efficacy.

Implementation Method 1

a plurality of transducers that are formed on one side of the base unit at positions excluding a center of the base unit and vibrate at a predetermined therapeutic frequency to transmit the vibration energy to the patient's skin

Methodology Applied
Scientific EffectUltrasonic vibration: Ultrasonic Vibration

Implementation Method 2

a thermoelectric element that is formed inside at least one of the base unit and the plurality of transducers and cools the at least one of the base unit and the plurality of transducers to prevent burning of the skin surface

Methodology Applied
Scientific EffectThermoelectric cooling: Peltier Effect

Implementation Method 3

a suction unit that is formed on one side of the handpiece, forms a lower pressure than atmospheric pressure in a suction hole to suction the patient's skin

Methodology Applied
Scientific EffectSuction: Suction

Data Source

PatentEP4643944A1Skin treatment device having transducer with improved shape, and operation method for skin treatment device
Publication Date: 2025.11.05 HEALUX CO LTD
  • EP4643944A1 patent drawingFigure 1
  • EP4643944A1 patent drawingFigure 2
  • EP4643944A1 patent drawingFigure 3(a)~3(b)

AI summary

The present disclosure relates to a skin treatment device, the skin treatment device comprising: a main body including a control unit that controls the operation of the skin treatment device and a power source unit that supplies power to the medical skin treatment device; a transfer unit for moving the main body; and a handpiece which receives power from the power source unit of the main body, is controlled by the control unit, and has one side that comes into contact with the skin of a patient to radiate therapeutic energy below the skin surface of the patient and thus improve the skin.