Device and method for contactless skin treatment
AssigneeBTL Holdings Limited
InventorsTomás Schwarz, Jan Zárský
Life of this patent
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Abstract
Devices and methods for contactless skin treatment use feedback power control for non-invasive treatment of skin and human tissue. Electromagnetic energy heats skin or tissue. A feedback system measures an output physical quantity before the output of electromagnetic waves from the device into the patient. Alternatively the feedback system scans values of a physical quantity on or near the patient. The devices and methods allow for delivering the optimum amount of energy to the patient while reducing the thermal load of the device.
Claims31
A device for contactless skin treatment by electromagnetic waves, comprising:
- a power supply electrically connected to a high frequency generator and at least two electrodes;
- a sensor between the power supply and the at least two electrodes for measuring values of at least one physical quantity between different branches of symmetrical signal cables leading to each electrode and where input power to at least one electrode is adjusted based on the measured values.
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13-14. (canceled)
A method for contactless skin treatment by electromagnetic waves, comprising:
- providing high frequency power from a high frequency generator to an electrode;
- transmitting electromagnetic waves from the electrode into skin of a patient, with the electrode not touching the skin of the patient;
- measuring a distance between the electrode and the skin of the patient;
- and
- adjusting input power to the high frequency generator based on the measured distance to provide continuous energy to the skin of the patient via feedback power control.
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A method for contactless skin treatment by electromagnetic waves, comprising:
- providing high frequency power from a high frequency generator to at least two electrodes;
- matching impedance between the high frequency generator and the at least two electrodes via a transmatch;
- transmitting electromagnetic waves from the at least two electrodes into skin of a patient, with the electrodes not touching the skin of the patient, and with the electromagnetic waves heating the skin;
- measuring values of at least one physical quantity between different branches of first and second symmetrical signal cables leading to the at least two electrodes:
- adjusting input power to the high frequency generator based on the at least one output quantity;
- and
- providing energy to the skin of the patient via the adjusted input power to the high frequency generator.
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Dependencies are inferred from the claim text.