Title:
DRUG INJECTION DEVICE AND METHOD
Document Type and Number:
WIPO Patent Application WO/2023/211062
Kind Code:
A1
Abstract:
A drug injection device according to the present invention comprises: a drug injector which electrochemically drives an electroosmotic pump so as to suction a drug from a drug storage unit, and which discharges the suctioned drug to an injection target; and a control unit for outputting, to the drug injector, a control signal corresponding to an injection sequence defining the driving of the electroosmotic pump, wherein the injection sequence includes at least one pulse block defining a voltage pulse or a current pulse to be applied to the electroosmotic pump, each of the pulse blocks defines a pair of pulse signals including a forward pulse and a reverse pulse, which are applied to the electroosmotic pump so as to alternately generate negative pressure and positive pressure, and the electroosmotic pump alternately generates negative pressure and positive pressure for each pulse block so as to suction and discharge the drug.
Inventors:
SHIN WOONSUP (KR)
ZHU ENHUA (KR)
SHIN YEONG JONG (KR)
ZHU ENHUA (KR)
SHIN YEONG JONG (KR)
Application Number:
PCT/KR2023/005437
Publication Date:
November 02, 2023
Filing Date:
April 21, 2023
Export Citation:
Assignee:
CAREMEDI CO LTD (KR)
UNIV SOGANG RES & BUSINESS DEVELOPMENT FOUND (KR)
UNIV SOGANG RES & BUSINESS DEVELOPMENT FOUND (KR)
International Classes:
A61M5/145; A61M5/142; A61M5/172; G16H20/17; G16H40/63; G16H50/20
Foreign References:
| KR20180028232A | 2018-03-16 | |||
| KR20190000760A | 2019-01-03 | |||
| KR20170008408A | 2017-01-24 | |||
| KR20200130999A | 2020-11-23 | |||
| JP2010057898A | 2010-03-18 |
Attorney, Agent or Firm:
MAPS INTELLECTUAL PROPERTY LAW FIRM (KR)
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