Patents by Inventor Xiaolong AN

Xiaolong AN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of manufacturing an in-plane metal microneedle array
    Patent number: 11951271
    Abstract: A high aspect ratio in-plane metal microneedle array, a manufacturing method and a clamping and inserting auxiliary device thereof is disclosed. A large-size metal sheet is cut into small metal sheets. A clamping tooling composed of two upper and lower metal cover plates is processed. Inner sides of the upper and the lower cover plates of the tooling are provided with grooves in which the metal sheets are placed and fastened by bolts. Wire cutting is conducted on the tooling and the metal sheets as a whole to obtain a plane metal microneedle array with a plurality of microneedle bodies. In addition, an assembling and clamping device and an inserting auxiliary device of the high aspect ratio in-plane metal microneedle array is provided. The assembled inserting auxiliary device is placed on skin, and the microneedle array is inserted into the skin through the auxiliary device.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: April 9, 2024
    Assignee: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Guojun Ma, Chengwei Wu, Xiaolong An, Xiao Han, Wei Zhang, Yongtao Lv, Jianli Ma
  • HIGH ASPECT RATIO IN-PLANE METAL MICRONEEDLE ARRAY, MANUFACTURING METHOD AND CLAMPING AND INSERTING AUXILIARY DEVICE THEREOF
    Publication number: 20210046298
    Abstract: A high aspect ratio in-plane metal microneedle array, a manufacturing method and a clamping and inserting auxiliary device thereof is disclosed. A large-size metal sheet is cut into small metal sheets. A clamping tooling composed of two upper and lower metal cover plates is processed. Inner sides of the upper and the lower cover plates of the tooling are provided with grooves in which the metal sheets are placed and fastened by bolts. Wire cutting is conducted on the tooling and the metal sheets as a whole to obtain a plane metal microneedle array with a plurality of microneedle bodies. In addition, an assembling and clamping device and an inserting auxiliary device of the high aspect ratio in-plane metal microneedle array is provided. The assembled inserting auxiliary device is placed on skin, and the microneedle array is inserted into the skin through the auxiliary device.
    Type: Application
    Filed: May 13, 2019
    Publication date: February 18, 2021
    Inventors: Guojun MA, Chengwei WU, Xiaolong AN, Xiao HAN, Wei ZHANG, Yongtao LV, Jianli MA