Jin Woo JEON,Jung Kook KIM,Seung Dal SEO,Jun Hak PARK
申请号:
US16611355
公开号:
US20200164198A1
申请日:
2018.07.03
申请国别(地区):
US
年份:
2020
代理人:
摘要:
The present invention provides a microjet drug injection device equipped with a backflow prevention valve, the microjet drug injection device comprising an upper housing, a lower housing, a compartment, and a backflow prevention valve.