Adaptive Skin Treatment Handpiece With Impedance-Based Control
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Solution Overview
Problem
Existing medical skin treatment devices for subcutaneous fat removal, particularly focused ultrasound techniques, lack flexibility and adaptability to varying skin conditions, and there is a need for improved safety and efficacy in treating skin conditions.
Innovation Solution
A mobile skin treatment device with a handpiece that includes transducers, thermoelectric elements, and electrodes, controlled by a unit that adjusts vibration or electrical energy intensity based on skin impedance, and incorporates a suction mechanism for precise treatment and drug injection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If focused ultrasound technique is used to remove subcutaneous fat, then fat removal effect and use safety are improved, but device complexity and treatment adaptability deteriorate
Solution Approach 1:
The device dynamically adjusts treatment parameters including vibration frequency (20-1000 Hz range), power output (10-1000W range), and treatment mode based on real-time skin condition detection. The control unit modifies operational parameters during treatment to adapt to varying skin impedance and tissue characteristics, enabling the same device to perform multiple functions including fat removal, skin tightening, and wrinkle reduction.
Solution Approach 2:
The handpiece integrates multiple treatment capabilities into a single device: focused ultrasound for fat removal, vibration energy for skin tightening, and electrical stimulation for muscle activation. The device can switch between different treatment modes and adjust parameters to suit various skin conditions, making it universally applicable for multiple cosmetic procedures.
2Productivity
If high-energy ultrasound vibration is applied to rupture fat cell membranes, then fat removal effect is improved, but risk of skin surface burning increases
Solution Approach 1:
The device incorporates real-time monitoring of skin impedance and temperature during treatment. The control unit continuously adjusts power output and vibration frequency based on feedback from skin condition sensors, preventing excessive energy delivery that could cause burning while maintaining effective fat removal. The system automatically reduces power when skin temperature approaches safety thresholds.
Solution Approach 2:
The device delivers focused ultrasound energy to specific subcutaneous fat layers while using lower energy levels at the skin surface. The handpiece design concentrates vibration energy at the focal point beneath the skin rather than uniformly across the surface, enabling deep tissue treatment without superficial burning. Different regions of the treatment area receive differentiated energy levels based on tissue depth and condition.
3Device complexity
If fixed treatment parameters are used for skin treatment, then device complexity is reduced, but treatment efficacy for varying skin conditions deteriorates
Solution Approach 1:
The device performs automatic skin condition assessment and parameter optimization without requiring manual intervention. The control unit autonomously measures skin impedance, determines appropriate treatment parameters, and adjusts operational settings during the procedure. This self-adjusting capability maintains high treatment efficacy while minimizing the complexity of manual control systems.
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 methods, enhances safety by preventing skin burning, and effectively targets subcutaneous fat while minimizing damage to surrounding tissues, with the ability to inject drugs for enhanced skin improvement.
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
Implementation Method 4
the control unit determines an intensity of the vibration energy corresponding to the impedance of the patient's skin based on a predetermined function and emits the vibration energy from the plurality of transducers based on the intensity of the vibration energy
Data Source
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.