# US 2025/0143779 A1 · Treatment tip, hand tool and high-frequency skin treatment device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0143779 A1 - Document ID: US20250143779A1 - Status: Published application - Kind: A1 - Application number: 18/825,404 - Filed: 2024-09-05 - Published: 2025-05-08 - Earliest claimed: 2023-11-02 - Assignees: Shenzhen Peninsula Medical Group - Applicants: Shenzhen Peninsula Medical Group - Inventors: Yongsheng LIANG; Yuanchang ZHANG; Weihuo LI; Xiaobing LEI - Web page: https://patentgrep.com/patent/US20250143779A1 ## CPC - A61B 18/1477: {Needle-like probes} - A61B 18/14: Probes or electrodes therefor - A61B 18/1402: {Probes for open surgery} - A61M 1/80: {Suction pumps (A61M1/64, A61M1/71, A61M60/00 take precedence)} - A61N 1/40: Applying electric fields by inductive or capacitive coupling (microwave apparatus A61N5/00); {Applying radio-frequency signals} - A61B 2018/0016: {Energy applicators arranged in a two- or three dimensional array} - A61B 2018/00291: {using suction} - A61B 2018/00452: {Skin} - A61B 2018/0047: {Upper parts of the skin, e.g. skin peeling or treatment of wrinkles} - A61B 2018/0091: {Handpieces of the surgical instrument or device} - A61B 2018/00922: {by switching or controlling the treatment energy directly within the hand-piece} - 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 2218/007: Aspiration - A61M 1/87: {Details of the aspiration tip, not otherwise provided for} - A61N 1/328: {for improving the appearance of the skin, e.g. facial toning or wrinkle treatment} - 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 Disclosed are a treatment tip, a hand tool and a high-frequency skin treatment device. A treatment tip includes a needle plate portion having a plurality of needles; an adapter board portion, fixed inside the treatment tip; and a first flexible printed circuit, mechanically and electrically coupled between the needle plate portion and the adapter board portion; in relation to the adapter board portion, the needle plate portion is driven to move forth at a first position and move back at a second position; and the plurality of needles are partitioned and controlled such that the radio frequency signal from the handpiece is transmitted sequentially through the adapter board portion, the first flexible printed circuit and the needle plate portion to the partitioned plurality of the needles that radiate the RF signal to different zones of the skin. ## Claims ### Claim 1 A treatment tip for a high-frequency skin treatment device irradiating radio frequency (RF), the tip being coupled to a handpiece to radiate an RF signal to a human skin in an invasive way, and comprising: a needle plate portion, having a plurality of needles; an adapter board portion; and a first flexible printed circuit, mechanically and electrically coupled between the needle plate portion and the adapter board portion; wherein in relation to the adapter board portion, the needle plate portion is driven to move forth at a first position where the plurality of needles penetrate and radiate the RF signal into the skin; and the needle plate portion is driven to move back at a second position where the plurality of the needles to move away from the skin; and wherein the plurality of needles are partitioned and controlled such that the RF signal from the handpiece is transmitted sequentially through the adapter board portion, the first flexible printed circuit and the needle plate portion to the partitioned plurality of the needles that radiate the RF signal to different zones of the skin. ### Claim 2 (depends on 1) The treatment tip of claim 1, further comprising: a fixing assembly configured to mechanically couple the first flexible printed circuit between the needle plate portion and the adapter board portion. ### Claim 3 (depends on 2) The treatment tip of claim 2, wherein the needle plate portion comprises a needle plate body and a guide member, and the plurality of the needles are installed on the needle plate body; the needle plate body is coupled with the first flexible printed circuit, and a plurality of guide holes are provided on the adapter board portion; one end of the guide member is connected to the needle plate body, and the other end of the guide member passing through the guide holes is slidably connected to the adapter board portion. ### Claim 4 (depends on 3) The treatment tip of claim 3, wherein the fixing assembly comprises a first fixing plate and a first fastener, and a first end of the first flexible printed circuit is disposed between the first fixing plate and the guide member; a first opening is provided on the first fixing plate, and the first fastener is connected to the guide member by passing through the first opening. ### Claim 5 (depends on 3) The treatment tip of claim 3, wherein the adapter board portion comprises an adapter board body and a connecting member connected with each other; the adapter board body is connected to the first flexible printed circuit, and the fixing assembly is connected to the connecting member. ### Claim 6 (depends on 5) The treatment tip of claim 5, wherein the fixing assembly further comprises a second fixing plate and a second fastener, and a second end of the first flexible printed circuit is disposed between the second fixing plate and the connecting member; a second opening is provided on the second fixing plate, and the second fastener is connected to the connecting member by passing through the second opening. ### Claim 7 (depends on 5) The treatment tip of claim 5, wherein the needle plate body, the first flexible printed circuit and the adapter board body are integrally formed. ### Claim 8 (depends on 5) The treatment tip of claim 5, wherein a length of the first flexible printed circuit is greater than a distance between the needle plate body and the adapter board body. ### Claim 9 (depends on 5) The treatment tip of claim 5, further comprising: a pressure block; and an elastic member; wherein the elastic member is sleeved on the guide member and is abutted against one end of the connecting member, and the pressure block is installed on the guide member and is abutted against the opposite end of the elastic member. ### Claim 10 (depends on 1) The treatment tip of claim 1, further comprising: a housing, the housing comprising a receiving cavity with an opening; and a plurality of needle holes disposed at a bottom of the receiving cavity; wherein the needle plate portion, the adapter board portion and the first flexible printed circuit are disposed in the receiving cavity, the adapter board portion is fixed to the housing, and each needle is driven to move inwards or outwards of the needle hole. ### Claim 11 (depends on 10) The treatment tip of claim 10, further comprising: a negative pressure tube; and a suction assembly; wherein the negative pressure tube is provided on an outer peripheral wall of the housing and is communicated with the receiving cavity, and one end of the suction assembly is connected to the negative pressure tube. ### Claim 12 (depends on 10) The treatment tip of claim 10, wherein the housing comprises transparent materials. ### Claim 13 (depends on 1) A hand tool, comprising: a handpiece; and the treatment tip of claim 1; wherein the treatment tip is detachably connected to the handpiece; the handpiece comprises a second flexible printed circuit, and the second flexible printed circuit is electrically connected to the treatment tip to allow the handpiece to radiate RF energy to the treatment tip; the handpiece comprises a driving end driving the needle plate portion to move forth at a first position where the plurality of needles penetrate and radiate the RF signal into the skin, and driving the needle plate portion to move back at a second position where the plurality of the needles to move away from the skin. ### Claim 14 (depends on 13) The hand tool of claim 13, wherein the second flexible printed circuit comprises an adapter unit, a first control unit and a second control unit, and the adapter unit, the first control unit and the second control unit are integrally formed. ### Claim 15 (depends on 13) A high-frequency skin treatment device, comprising the hand tool of claim 13.