Excitation device for automatic injection pen

The utility model relates to an excitation device for an automatic injection pen. The excitation device comprises a shell, a needle hiding sleeve, an inner sleeve and a piston assembly, the hidden needle sleeve is installed in the shell in a sliding mode. A lower spring sleeve is fixed on the inner...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG JING, SHEN WEI, ZOU HONGXIA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE
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