Cosmetic Treatment Suction Control Using Skin-Height Feedback

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Solution Overview

Problem

Conventional beauty treatment devices apply uniform negative pressure to the skin without considering individual user characteristics or body part variations, leading to potential skin damage and inadequate treatment effects.

Innovation Solution

A beauty treatment device equipped with a height measurement sensor and controller that adjusts negative pressure based on measured skin elevation, ensuring gradual and targeted skin elevation to a predetermined height.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Force

If uniform negative pressure is applied to the skin, then the suction force is sufficient to elevate the skin, but skin damage and side effects occur due to lack of individualization

Engineering Contradiction:
Improvesuction forceVSAvoidskin damage
Core Design Contradiction:
ForceVSObject-affected harmful factors

Solution Approach 1:

The negative pressure application module dynamically adjusts the suction force in real-time based on feedback from the height measurement sensor. The controller modifies the negative pressure level according to the measured skin elevation height, transitioning from a static uniform force to a dynamic adaptive force that responds to individual skin characteristics and treatment progress.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system incorporates a feedback loop where the height measurement sensor continuously monitors the skin elevation height, and the controller uses this information to adjust the negative pressure application. This closed-loop control ensures that the suction force is optimized based on actual treatment effects, preventing both insufficient elevation and excessive force that could cause damage.

Inventive Principle:
Principle #23Feedback

2Manufacturing precision

If high negative pressure is applied to achieve sufficient skin elevation, then the beauty treatment effect is improved, but sudden skin deformation occurs

Engineering Contradiction:
Improveskin elevation precisionVSAvoidskin deformation stability
Core Design Contradiction:
Manufacturing precisionVSStability of the object's composition

Solution Approach 1:

The controller applies negative pressure in a controlled, progressive manner rather than suddenly maximizing the suction force. By gradually increasing the negative pressure and adjusting it based on real-time height measurements, the system achieves the target skin elevation without causing sudden deformation or instability in the skin's physical state.

Inventive Principle:
Principle #10Preliminary action

3Ease of operation

If fixed negative pressure is used, then the device operation is simple, but the treatment effectiveness varies due to lack of adaptation to individual characteristics

Engineering Contradiction:
Improvedevice operation simplicityVSAvoidtreatment adaptability
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

The device performs self-adjustment through its automated feedback control system. The height measurement sensor and controller work together to automatically optimize the negative pressure without requiring manual intervention or complex user input. This maintains ease of operation while achieving high adaptability to individual user characteristics and body parts.

Inventive Principle:
Principle #25Self-service

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

Minimizes skin deformation and side effects while maximizing the beauty treatment effect by dynamically controlling negative pressure according to measured skin height.

Implementation Method 1

a negative pressure application module that is provided inside the main body so as to apply a negative pressure for elevating a treatment area of the skin to the suction port

Methodology Applied
Scientific EffectNegative pressure: Pressure Gradient

Implementation Method 2

a height measurement sensor that measures a height of the treatment area elevated by the negative pressure

Methodology Applied
Scientific EffectHeight measurement:

Data Source

PatentEP4640198A1Cosmetic procedure device and cosmetic procedure method
Publication Date: 2025.10.29 APR CO LTD
  • EP4640198A1 patent drawingFigure 1
  • EP4640198A1 patent drawingFigure 2
  • EP4640198A1 patent drawingFigure 3~4

AI summary

A beauty treatment device is provided. A beaty treatment device according to one aspect of the present invention includes a main body; a head including a body portion that protrudes outwardly from the main body and a contact portion that is provided at an end portion of the body portion so as to come into contact with a skin and has a suction port formed therein; a negative pressure application module that is provided inside the main body so as to apply a negative pressure for elevating a treatment area of the skin to the suction port; a height measurement sensor that measures a height of the treatment area elevated by the negative pressure; and a controller that is electrically connected to the negative pressure application module and the height measurement sensor, in which the controller controls the negative pressure application module so that a first negative pressure is applied to the suction port, and controls the negative pressure application module so that a second negative pressure determined based on a first measurement height of the treatment area elevated by the first negative pressure is applied to the suction port.