Title:
METAL SHEET OF PERMEATION PROMOTION PEN, AND ROLLER AND PERMEATION PROMOTION PEN HAVING METAL SHEET
Document Type and Number:
WIPO Patent Application WO/2020/088371
Kind Code:
A1
Abstract:
Disclosed are a metal sheet (101) of a permeation promotion pen (100), and a roller (10) and the permeation promotion pen (100) having the metal sheet (101). The metal sheet (101) is provided with a first mounting hole (1011) and a first notch (1012) communicating the first mounting hole (1011) with an outer circumferential surface (10132) of the metal sheet (101). The outer circumferential surface (10132) of the metal sheet (101) is provided with multiple micro-needles (1013) surrounding the centre of the metal sheet (101) and provided at set intervals, and a free end of each micro-needle (1013) is a sharp needle tip (10131) which can easily penetrate into the skin. The metal sheet (101) is made by means of a wire-cut electrical discharge machining process.
Inventors:
YUE RUIFENG (CN)
WANG YAN (CN)
MA DONGFENG (CN)
WANG YAN (CN)
MA DONGFENG (CN)
Application Number:
PCT/CN2019/113385
Publication Date:
May 07, 2020
Filing Date:
October 25, 2019
Export Citation:
Assignee:
UNIV TSINGHUA (CN)
SHANGHAI RUNTONG MEDICAL TECH CO LTD (CN)
SHANGHAI RUNTONG MEDICAL TECH CO LTD (CN)
International Classes:
A61M37/00
Foreign References:
| CN109350842A | 2019-02-19 | |||
| CN203436688U | 2014-02-19 | |||
| CN203436688U | 2014-02-19 | |||
| KR20140044098A | 2014-04-14 | |||
| CN104225777A | 2014-12-24 | |||
| US20100262081A1 | 2010-10-14 | |||
| KR20110103111A | 2011-09-20 |
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
Download PDF: