公开(公告)号：US10894129B2

公开(公告)日：2021-01-19

申请号：US16198126

申请日：2018-11-21

申请人： PHC HOLDINGS CORPORATION

发明人： Kazumasa Okamura ,  Mitsuaki Zouda ,  Kenji Murakami

IPC分类号： A61M5/24 ,  A61M5/145 ,  A61M5/20 ,  A61M5/315 ,  A61M5/32 ,  A61M5/34 ,  A61M5/31

摘要： A drug injection system includes a cartridge adapter and a drug injection device. The cartridge adapter includes: a main body case; an attachment portion provided on the main body case used for attachment to the drug injection device; an accommodating portion that accommodates therein a drug cartridge; a piston; a piston gear that allows the piston to slide therethrough; a stopper that stops movement of the piston gear; and a release lever that releases a locked state of the piston gear. The drug injection device includes: a casing that accommodates therein a portion of the cartridge adapter; an engagement portion that engages with the cartridge adapter; a drive gear to which the piston gear of the cartridge adapter is connected; a motor connected to the drive gear; and a release bar that drives the release lever of the cartridge adapter.