Skin Treatment Apparatus And Method
AssigneeSyneron Medical Ltd.
InventorsShmulik Eisenmann, Vladimir Goland, Yossef Ori Adanny
Life of this patent
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Abstract
Disclosed is a system and a method for aesthetic skin treatment. The system includes an array of RF electrodes assembled on a flexible or rigid substrate. A plurality of RF voltage generators configured to address individually each of the RF electrodes of the array and supply to each pair of RF electrodes RF voltage. The amplitude of the RF voltage applied to inner pair of RF electrodes is lower than the RF voltage applied to outer pair of RF electrodes.
Claims34
A method for delivering energy to a target volume of skin comprising:
- contacting an area of skin covering a target volume by an applicator including a plurality of RF electrodes wherein the plurality of RF electrodes includes at least four RF electrodes arranged into an array with at least a pair of RF electrodes being an outer pair of RF electrodes and at least a pair of inner RF electrodes nested between the outer pair of RF electrodes;
- and
- applying to each pair of the RF electrodes RF voltage and wherein RF voltage amplitude applied to the inner pair of RF electrodes is lower than the RF voltage amplitude applied to the outer pair of RF electrodes.
The method according to claim wherein control of the amplitude of the RF voltage signal supplied to different RF electrode pairs controls the RF voltage induced current streamlines supporting focusing of the RF energy in a specific region between the electrodes.
A system for aesthetic (cosmetic) skin treatment comprising:
- an array of pairs of RF electrodes with pairs of inner RF electrodes nested between pairs of outer electrodes;
- and
- at least one RF voltage generator configured to supply RF voltage to selected pairs of electrodes and wherein amplitude of the RF voltage supplied to the pair of inner RF electrodes is lower than the RF voltage supplied to the pair of pair of electrodes.
A method of setting a desired depth of a target skin volume to be heated comprising:
- providing an applicator and setting a pair of outer RF electrodes in a group of active RF electrodes;
- operating the outer RF electrodes and all RF electrodes nested between the outer RF electrodes;
- and
- heating the target skin volume to a desired temperature higher than surrounding skin is heated.
A system for aesthetic (cosmetic) skin treatment comprising
- a two dimensional array of RF electrodes assembled on a flexible substrate;
- a plurality of RF voltage generators configured to address individually each of the RF voltage electrodes of the two dimensional array;
- at least one vacuum pump configured to provide vacuum to the flexible substrate such as to attach the substrate to the relief of a treated skin area;
- and
- a control unit configured to control each of the plurality of RF voltage generators or/and individual RF voltage electrodes.
A method of skin and fat thickness and electric conductivity measurement comprising:
- contacting the area of skin by a plurality of electrodes wherein the plurality of electrodes includes at least four electrodes and wherein the electrodes are organized into an array with a pair of electrodes is flanking the other pair of electrodes;
- applying to each pair of electrodes RF voltage and wherein amplitude of the RF voltage applied to inner pair of electrodes is lower than the RF voltage applied to outer pair of electrodes;
- and
- measuring electric current induced by the RF voltage between each pair of electrodes;
- wherein the electric current between each pair of electrodes characterizes at least one skin parameter.
Dependencies are inferred from the claim text.