# US 11,439,459 B2 · Treatment device and treatment method using same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,439,459 B2 - Document ID: US11439459B2 - Status: Granted - Kind: B2 - Application number: 16/066,654 - Filed: 2016-08-12 - Published: 2019-01-03 - Granted: 2022-09-13 - Earliest claimed: 2016-08-12 - Assignees: Lutronic Corporation - Applicants: Lutronic Corporation - Inventors: Kwang Chon Ko - Web page: https://patentgrep.com/patent/US11439459B2 ## CPC - A61B 18/1477: {Needle-like probes} - A61M 5/46: having means for controlling depth of insertion - A61M 37/0015: {by using microneedles} - A61N 1/06: for high-frequency therapy - A61N 1/08: Arrangements or circuits for monitoring, protecting, controlling or indicating {(for external stimulators A61N1/3603; for implantable neurostimulators A61N1/36128; for heart stimulators A61N1/37; for defibrillators A61N1/3925)} - A61N 1/328: {for improving the appearance of the skin, e.g. facial toning or wrinkle treatment} - A61N 1/40: Applying electric fields by inductive or capacitive coupling (microwave apparatus A61N5/00); {Applying radio-frequency signals} - A61B 2018/0047: {Upper parts of the skin, e.g. skin peeling or treatment of wrinkles} - A61B 2018/143: {multiple needles} - A61B 2018/1467: {using more than two electrodes on a single probe} - A61B 2018/1475: {Electrodes retractable in or deployable from a housing} - A61B 2090/062: {penetration depth} - A61B 2090/065: {for measuring contact or contact pressure} - A61M 2205/3344: Measuring or controlling pressure at the body treatment site - A61M 2205/50: with microprocessors or computers - A61M 2205/505: Touch-screens; Virtual keyboard or keypads; Virtual buttons; Soft keys; Mouse touches - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)} - 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 A high-frequency treatment device according to the present invention can comprise: a handpiece; a plurality of needles formed on one side of the handpiece so as to be able to come out and retract, and receiving a high-frequency current; and a pressing part disposed in the coming out and retracting direction of the plurality of needles, and tensing the skin by applying a predetermined pressure to the skin. The high-frequency treatment device according to the present invention has an effect of enabling pain occurring due to the insertion of a plurality of conventional needles to be alleviated by adjusting the tension of a patient's skin before inserting a plurality of needles such that the needles are smoothly inserted into the skin. ## Claims ### Claim 1 An RF energy treatment apparatus, comprising: a handpiece; a plurality of needles formed to advance and retract on one side of the handpiece and supplied with a high frequency current; a pressurization unit positioned in a direction in which the plurality of needles advances and retracts and providing tension to a skin by applying a positive pressure to the skin; a sensing unit comprising at least one sensor configured to sense an amount of force applied to the skin by the pressurization unit, the amount of force corresponding to the tension that is provided to the skin; and a controller coupled to the sensing unit, wherein the sensing unit is configured to compare the amount of force sensed by the sensing unit to a set reference value so that the tension provided to the skin is above a threshold value before the plurality of needles is advanced through the skin, wherein the pressurization unit includes an elastic member which is configured to deform over curved surfaces of the skin, and wherein an entire tissue-contacting surface of the pressurization unit is planar. ### Claim 2 (depends on 1) The RF energy treatment apparatus of claim 1, further comprising an indicating unit that indicates when the tension provided to the skin is equal to or more than the threshold value. ### Claim 3 (depends on 1) The RF energy treatment apparatus of claim 1, wherein the sensing unit transmits a signal to the controller so that the plurality of needles is inserted into the skin simultaneously or sequentially when the tension provided to the skin is above the threshold value. ### Claim 4 (depends on 1) The RF energy treatment apparatus of claim 1, wherein the pressurization unit is positioned on a surface of an end of the handpiece on the one side where the plurality of needles advances and retracts. ### Claim 5 (depends on 1) The RF energy treatment apparatus of claim 1, wherein: the pressurization unit is positioned at an edge of a surface through which the plurality of needles penetrates, and the surface through which the plurality of needles penetrates is recessed below a skin-facing surface of the pressurization unit. ### Claim 6 (depends on 1) The RF energy treatment apparatus of claim 1, wherein the at least one sensor of the sensing unit comprises at least one pressure sensor positioned on a surface of an edge forming the pressurization unit. ### Claim 7 (depends on 1) The RF energy treatment apparatus of claim 1, wherein the force applied by the pressurization unit is 1N or more so that the tension provided to the skin is equal to or more than the threshold value. ### Claim 8 (depends on 1) The RF energy treatment apparatus of claim 1, further comprising a current connector positioned within the handpiece to supply current to the sensing unit and supply the high frequency current to the plurality of needles. ### Claim 9 (depends on 1) The RF energy treatment apparatus of claim 1, further comprising: a support plate supporting the plurality of needles, and a displacement measurement sensor positioned at a location neighboring the support plate to measure a depth of the needles inserted into the skin. ### Claim 10 (depends on 1) The RF energy treatment apparatus of claim 1, wherein the set reference value is adjustable based on at least one of a sex, a race, an age or a treatment location of a patient.