RF and Magnetic Aesthetic Device for Muscle Contraction
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Solution Overview
Problem
Current non-invasive aesthetic treatments using mechanical or thermal methods face challenges such as risk of panniculitis, non-homogenous results, discomfort, and inefficiency in muscle stimulation due to the high resistivity of adipose tissue, which complicates precise targeting and delivery of electric current for muscle contraction.
Innovation Solution
A treatment device combining radiofrequency (RF) and magnetic treatments, with segmented RF electrodes and an energy storage device, to minimize energy loss and unwanted physical effects, allowing for simultaneous muscle contraction and heating, thereby enhancing treatment efficiency and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If electrostimulation is used to provide muscle contraction through adipose tissue, then muscle stimulation can be achieved, but the high resistivity of adipose tissue causes energy loss and reduces targeting precision
Solution Approach 1:
The patent introduces a conductive gel as an intermediary substance between the electrode and adipose tissue. This gel has higher electrical conductivity than adipose tissue, creating a conductive pathway that reduces energy loss and improves current delivery to the target muscle while maintaining targeting precision.
Solution Approach 2:
The patent changes the electrical conductivity parameter of the interface between the electrode and tissue by applying conductive gel. This parameter modification enables more efficient current transmission through the adipose tissue layer, reducing energy loss and improving stimulation effectiveness.
2Reliability
If thermal treatment is applied to enhance visual appearance, then collagen production and skin smoothing are improved, but the risk of overheating and thermal damage to unwanted biological structures increases
Solution Approach 1:
The patent applies different treatment modalities to different tissue layers: magnetic field stimulation for muscle contraction in deeper tissues and RF heating for skin and subcutaneous tissue. This spatial differentiation of treatment quality ensures that each tissue receives appropriate treatment without causing unwanted thermal damage.
Solution Approach 2:
The patent replaces pure thermal treatment with a combination of magnetic field stimulation and localized RF heating. The magnetic field component provides muscle stimulation without thermal effects, while the RF heating is localized to specific tissue layers, reducing overall thermal risk.
3Reliability
If mechanical treatment using mechanical waves is used for treatment of cellulite or adipose cells, then treatment effects are achieved, but the risk of panniculitis and destruction of untargeted tissues occurs
Solution Approach 1:
The patent replaces mechanical wave treatment with electromagnetic field treatment. The magnetic field induces electrical currents that stimulate muscle contraction without the mechanical trauma of ultrasonic or shock wave therapy, eliminating the risk of panniculitis while maintaining treatment effectiveness.
Solution Approach 2:
The patent uses conductive gel as an intermediary to deliver electrical currents safely through the skin and adipose tissue. This gel-based delivery system provides precise current control that avoids damage to untargeted tissues while achieving the desired muscle stimulation and cellulite treatment effects.
4Measurement precision
If RF electrode and magnetic field generating device are positioned in close proximity to target the same body area, then treatment targeting is improved, but unwanted physical effects such as eddy currents and skin effect in the RF electrode occur
Solution Approach 1:
The patent segments the treatment device into separate RF electrode and magnetic field generating device components that can be independently positioned and controlled. This segmentation allows optimization of each component's performance while minimizing harmful interactions, including eddy currents, between the two devices.
Solution Approach 2:
The patent introduces conductive gel as an intermediary substance between the RF electrode and the magnetic field generating device. This gel acts as an electrical insulator that reduces unwanted electromagnetic coupling and eddy current generation while maintaining the devices in close proximity for effective targeting.
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 combination of RF and magnetic treatments provides a synergistic effect, improving muscle stimulation, heating, and adipose tissue reduction with reduced risk of complications, increased comfort, and more precise targeting, leading to enhanced aesthetic outcomes and patient safety.
Implementation Method 1
The effect of applications using electromagnetic waves is based on heat production in the biological structure
Implementation Method 2
time-varying magnetic fields induce electric current in the muscle, neuromuscular plate and/or in the nerve
Implementation Method 3
The effect of mechanical waves on tissue is based on cavitation, vibration, and/or heat-inducing effects
Data Source
AI summary
A device for providing a magnetic treatment by evoking muscle contraction by a time-varying magnetic field and providing a RF treatment by heating biological structure. The device includes an applicator having an RF electrode and a magnetic field generating device. The device may also include a main unit, a human machine interface, and a control unit. The control unit adjusts a signal provided to the RF electrode and creates an RF circuit, and also adjusts the signal provided to the magnetic field generating device and creates a magnetic circuit electrically insulated from the RF circuit. The RF circuit may include a power source and a power amplifier, and the magnetic circuit may include an energy storage to supply the magnetic field generating device with electric current.