# US 2014/0194966 A1 · System for Stimulating Hair Growth > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0194966 A1 - Document ID: US20140194966A1 - Status: Published application - Kind: A1 - Application number: 14/237,644 - Filed: 2012-08-09 - Published: 2014-07-10 - Earliest claimed: 2011-08-10 - Assignees: Roel Electrocosmetics, S.C.P. - Inventors: Narciso Barbero Castro - Web page: https://patentgrep.com/patent/US20140194966A1 ## CPC - A61N 1/326: {for promoting growth of cells, e.g. bone cells} - A61N 1/40: Applying electric fields by inductive or capacitive coupling (microwave apparatus A61N5/00); {Applying radio-frequency signals} - A61N: ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY (measurement of bioelectric currents A61B; surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body A61B18/00; anaesthetic apparatus in general A61M; incandescent lamps H01K; infrared radiators for heating H05B) ## Abstract The invention relates to a system (1) for stimulating hair growth in a pre-determined area of skin, comprising: means (31) for generating high-voltage alternating current, means (35, 36) for generating a variable electric field from the high-voltage alternating current generated, and means (11) for applying the generated variable electric field to a pre-determined area of skin. In addition, the means for generating a variable electric field include at least two radiating elements (35, 36), while the means for generating high-voltage alternating current include a transformer (31), the primary of said transformer being disposed in relation to the core in such a way that, during operation, the radiating elements (35, 36) generate a variable electric field with a radiation pattern that concentrates its energy close to the means (11) for applying the variable electric field. ## Claims ### Claim at position 1 1-13. (canceled) ### Claim 14 A system for stimulating hair growth in a pre-determined area of skin comprising: means for generating high-voltage alternating current; means for generating a variable electric field from the high-voltage alternating current generated; and means for applying the variable electric field generated on the pre-determined area of skin; the means for generating a variable electric field comprising at least two radiating elements; and the means for generating high-voltage alternating current comprising a transformer, whose primary is disposed in relation to the core such that, in operation, the radiating elements generate a variable electric field with a radiation pattern that concentrates its energy in the proximity of the means for applying the variable electric field. ### Claim 15 (depends on 14) A system according to claim 14, wherein the transformer is resonant and, depending on the location of the pre-determined area of skin in the body, the core is disposed in relation to the resonant circuit such that, in operation, the resonant circuit is in tune. ### Claim 16 (depends on 14) A system according to claim 14, wherein the means for applying the variable electric field are adapted to move across the entire pre-determined area of skin such that the same radiation pattern is applied on each of the spots of such pre-determined area of skin. ### Claim 17 (depends on 16) A system according to claim 16 wherein the means for applying the variable electric field comprise a head on which the means for generating an electric field are disposed, and a handle on which the means for generating high-voltage alternating current are disposed. ### Claim 18 (depends on 16) A system according to claim 16 wherein the means for applying the variable electric field comprise a head on which the means for generating a variable electric field are disposed, a housing for the means for generating high-voltage alternating current, and a mechanical system capable of moving at least the head across the entire pre-determined area of skin are disposed. ### Claim 19 (depends on 14) A system according to claim 14, wherein the means for generating high-voltage alternating current generate high-voltage alternating current from low-voltage alternating current and wherein the system also comprises: means for generating low-voltage alternating current, and means for carrying the low-voltage alternating current so generated to the means for generating high-voltage alternating current. ### Claim 20 (depends on 14) A system according to claim 14, wherein the radiating elements are conductive tracks disposed on a printed circuit board. ### Claim 21 (depends on 20) A system according to claim 20, wherein the printed circuit board is made of a flexible material. ### Claim 22 (depends on 17) A system according to claim 17, wherein the head comprises an element made of an insulating material. ### Claim 23 (depends on 14) A system according to claim 14, wherein the system it operates at a frequency ranging from 100 KHz and 600 Mhz. ### Claim 24 (depends on 14) A system according to claim 14, further comprising means for insulating the system from the power supply. ### Claim 25 (depends on 14) A system according to claim 14, further comprising an element for indicating operation of the system. ### Claim 26 (depends on 12) A system according to claim 12, wherein the element for indicating operation of the system is a red light emitting diode having a wavelength of approximately 630 nm.