Ultrasound Applicator Feedback for Deep-Tissue Skin Treatment
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Solution Overview
Problem
Existing ultrasound systems for skin treatments face challenges in delivering ultrasound energy to deep tissue layers reliably, safely, and accurately without damaging the skin surface, and there is a need for continuous monitoring of transducer efficiency and potential malfunctions.
Innovation Solution
An ultrasound system with integrated monitoring of electrical parameters and temperature, using non-passivated electrical conductors and thin coatings to reduce distance to the skin, and continuous feedback for safe and efficient energy delivery, along with a design that supports long-term applicator reliability and accurate energy measurement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If ultrasound energy is delivered to deep tissue layers, then treatment efficacy is improved, but skin surface damage risk increases
Solution Approach 1:
The system segments the treatment process into distinct phases: a cooling phase where the skin surface is cooled before ultrasound delivery, and a heating phase where ultrasound energy is delivered to deep tissues. This temporal segmentation allows the skin surface and deep tissues to be treated at different temperatures simultaneously, improving treatment efficacy while preventing skin damage.
Solution Approach 2:
The system performs preliminary cooling of the skin surface before delivering ultrasound energy to deep tissue layers. By pre-cooling the skin surface, the system creates a protective thermal buffer that prevents skin damage during subsequent high-energy ultrasound delivery, thereby enabling effective deep tissue treatment without compromising skin integrity.
2Productivity
If transducer coating is made thin to reduce distance to skin, then energy delivery efficiency is improved, but transducer protection is reduced
Solution Approach 1:
The system applies a thin protective coating on the transducer surface that provides beforehand cushioning against thermal and mechanical stresses. This thin coating is sufficient to protect the transducer during operation while being thin enough to allow efficient ultrasound energy delivery to the skin, thus resolving the contradiction between protection and efficiency.
3Object-affected harmful factors
If continuous monitoring of electrical parameters is implemented, then treatment safety is improved, but system complexity increases
Solution Approach 1:
The system implements continuous monitoring of electrical parameters such as impedance and power delivery, with real-time feedback to the control system. This feedback mechanism allows the system to adjust treatment parameters dynamically to ensure safety while maintaining relatively simple system architecture through intelligent control algorithms.
Solution Approach 2:
The monitoring system is integrated into the main control unit, which automatically processes electrical parameter data and adjusts treatment parameters without requiring external intervention. This self-service capability enhances treatment safety while minimizing the need for additional complex external monitoring equipment.
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 system ensures reliable, safe, and accurate delivery of ultrasound energy to deep skin layers, providing continuous monitoring and feedback for effective treatments with a prolonged mean time between failures, enhancing treatment efficacy and safety.
Implementation Method 1
the interaction of ultrasound waves with the tissue generates a thermal effect used to heat different tissue layers
Implementation Method 2
a cooling module configured to apply cooling via the transducers to prevent overheating of a surface of the tissue volume
Data Source
Figure 1A
Figure 1B
Figure 1C
AI summary
A method for activating an ultrasound applicator for treating skin tissue as part of a cosmetic treatment, including: activating by a control console at least one ultrasound transducers of the ultrasound applicator configured to generate and deliver ultrasound energy to cosmetically treat skin tissues; identifying degradation in potential efficiency of the ultrasound energy delivery during the activating; and modifying the activating according to the results of the identifying.