Skin Treatment Handpiece With Impedance-Adaptive Energy Control
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Solution Overview
Problem
Existing medical skin treatment devices for fat removal, particularly focused ultrasound techniques, lack adaptability and safety features to adjust treatment based on skin conditions and prevent skin damage.
Innovation Solution
A medical skin treatment device with a control unit that adjusts vibration or electrical energy intensity based on skin impedance, using transducers and electrodes to deliver energy at varying frequencies, and includes a suction mechanism to ensure safe operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If focused ultrasound energy is intensified to improve fat removal effect, then treatment efficacy is improved, but risk of skin surface burning and tissue damage increases
Solution Approach 1:
A cooling plate is introduced as an intermediary component between the ultrasound transducer and the skin surface. The cooling plate receives refrigerant from a cooling pump and circulates it through internal channels to actively cool the skin surface during ultrasound treatment, preventing burning while allowing high-intensity ultrasound energy to be applied for effective fat removal.
Solution Approach 2:
The system dynamically adjusts multiple parameters including ultrasound intensity, treatment area size, and cooling refrigerant flow rate based on real-time skin condition detection. By changing these parameters adaptively, the system maintains optimal fat removal efficacy while preventing skin surface damage through coordinated control of energy delivery and cooling.
2Productivity
If treatment energy is increased to improve skin treatment效果, then treatment efficacy is improved, but safety and adaptability to different skin conditions deteriorates
Solution Approach 1:
The system incorporates impedance detection sensors that continuously monitor skin electrical impedance during treatment. The control unit processes this feedback information and automatically adjusts ultrasound intensity and treatment parameters in real-time, enabling the system to adapt to different skin conditions and maintain safety while optimizing treatment efficacy for each patient's specific skin characteristics.
Solution Approach 2:
The treatment system transitions from static fixed-parameter treatment to dynamic adaptive treatment. The control unit continuously modifies ultrasound intensity, frequency, and treatment area based on real-time impedance feedback, allowing the system to dynamically adapt to varying skin conditions during the procedure and across different patients, thereby maintaining both safety and efficacy.
3Device complexity
If manual operation is used for skin treatment, then device complexity is reduced, but treatment precision and consistency deteriorates
Solution Approach 1:
The system incorporates automated impedance detection and control functions that enable self-adjustment of treatment parameters. The control unit automatically detects skin impedance, calculates appropriate ultrasound intensity levels, and adjusts treatment delivery without requiring manual intervention, thereby maintaining high treatment precision while simplifying operator workload and reducing operational 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
The device provides customizable treatment by adjusting energy intensity based on skin impedance, minimizing skin damage and ensuring safe operation through impedance-based control and suction mechanisms.
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
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
Implementation Method 3
an electrode unit that is formed on the one side of the base unit, includes at least one positive electrode and at least one negative electrode, and measures an impedance of the patient's skin
Data Source
Figure 1
Figure 2
Figure 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.