# US 9,750,924 B2 · Adhesive patching aid for microneedle adhesive skin patch > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,750,924 B2 - Document ID: US9750924B2 - Status: Granted - Kind: B2 - Application number: 13/574,496 - Filed: 2011-01-20 - Published: 2013-01-03 - Granted: 2017-09-05 - Earliest claimed: 2010-01-22 - Assignees: Medrx Co., Ltd. - Applicants: Katsunori Kobayashi; Hidetoshi Hamamoto - Inventors: Katsunori Kobayashi; Hidetoshi Hamamoto - Web page: https://patentgrep.com/patent/US9750924B2 ## CPC - A61M 37/0015: {by using microneedles} - A61M 2025/0253: {where the catheter is attached by straps, bands or the like secured by adhesives} - A61M 2037/0023: {Drug applicators using microneedles} - A61M 2037/0046: {Solid microneedles} - A61M 2037/0061: {Methods for using microneedles} - 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)} ## Abstract The invention provides an applicator that holds a microneedle to facilitate puncture of the skin and includes an assisting tool as a supporting base to set the microneedle and an adhesive sheet such as a tape and the like, on the side face of the assisting tool to enable close adhesion of the microneedle puncturing the skin. ## Claims ### Claim 1 An applicator for puncturing skin comprising an assisting tool, an adhesive tape, and a microneedle, wherein the assisting tool is used as a supporting base to set the adhesive tape that carries the microneedle on an adhesive face thereof, wherein the assisting tool comprises a lower planar surface that is used to receive a pushing force, and an upper planar surface, wherein the lower planar surface has a greater surface area than that of the upper planar surface, and a pair of opposing inclined planar surfaces that extend from respective parts of a periphery of the upper planar surface to respective parts of a periphery of the lower planar surface such that a cross section of the assisting tool has a trapezoid shape, wherein an upper line and an oblique line of the trapezoid shape forms a dip angle of 130-175, and the adhesive tape is set on the assisting tool so as to extend over and contact the surface of at least a portion of the upper planar surface, at least a portion of one of the pair of opposing inclined planar surfaces, and at least a portion of another of the pair of opposing inclined planar surfaces, wherein the microneedle is placed on the upper planar surface of the assisting tool via the adhesive tape. ### Claim 2 (depends on 1) The applicator according to claim 1, wherein the assisting tool has a height of 0.5-10 mm. ### Claim 3 (depends on 1) The applicator according to claim 1, wherein the periphery of the lower planar surface and the periphery of the upper planar surface have a rectangular shape. ### Claim 4 (depends on 1) The applicator according to claim 1, which has one or more side walls at the periphery of the upper planar surface and the lower planar surface of the assisting tool, wherein the one or more side walls have a cylindrical shape, rectangular hollow section shape, or a pair of side plates. ### Claim 5 (depends on 4) The applicator according to claim 4, wherein the one or more side walls are a pair of flat plates. ### Claim 6 (depends on 4) The applicator according to claim 4, wherein a height of the assisting tool is lower than that of the one or more side walls and a tip of the microneedle does not exceed the one or more side walls. ### Claim 7 (depends on 1) The applicator according to claim 1, further comprising a resin flat plate on which the assisting tool is set, wherein the resin flat plat is in contact with the lower planar surface of the assisting tool, and one or more side walls which are placed on the same side of the resin flat plate as the assisting tool, wherein the assisting tool is housed in a concave area surrounded by the resin flat plate and the one or more side walls so as not to project over the one or more side walls. ### Claim 8 (depends on 7) The applicator according to claim 7, wherein the resin flat plate has a rectangular shape and each side of the resin flat plate has a length of 3-7 cm. ### Claim 9 (depends on 7) The applicator according to claim 7, wherein the periphery of the lower planar surface and the periphery of the upper planar surface have a rectangular shape. ### Claim 10 (depends on 7) The applicator according to claim 7, wherein the one or more side walls have a height of 2-15 mm. ### Claim 11 (depends on 7) The applicator according to claim 7, wherein the assisting tool has a height of 2-7 mm, and the height of the one or more side walls is higher by 2-3 mm than that of the assisting tool. ### Claim 12 (depends on 9) The applicator according to claim 9, wherein the dip angle is 145-175°. ### Claim 13 (depends on 1) The applicator according to claim 1, wherein the assisting tool has a shape of a circular truncated cone or a polygonal truncated pyramid. ### Claim 14 (depends on 1) A method for puncturing skin with a microneedle, comprising: providing the applicator according to claim 1, pressing the applicator against the skin to puncture the skin with the microneedle and simultaneously to adhere the microneedle to the skin surface with the adhesive tape, and separating the assisting tool off the skin while keeping the adhesive tape carrying the microneedle adhered to the skin.