Injection pen capable of being automatically driven

The utility model relates to the technical field of medical instruments, and provides an injection pen capable of being automatically driven, which comprises a shell, a first limiting part and a second limiting part are arranged in a first containing cavity and a medicine cavity which are formed alo...

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Bibliographische Detailangaben
Hauptverfasser:	FANG QU, WANG SIQIN, QIN HEPING, LING ZHENGGANG, JIN LEI
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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Beschreibung
Zusammenfassung:	The utility model relates to the technical field of medical instruments, and provides an injection pen capable of being automatically driven, which comprises a shell, a first limiting part and a second limiting part are arranged in a first containing cavity and a medicine cavity which are formed along the axial direction of the shell and are communicated with each other; the adjusting mechanism is rotatably arranged in the containing cavity, and the adjusting mechanism is provided with an adjusting station and an injection station in the axial direction of the containing cavity; two ends of the torsion spring are respectively connected with the adjusting mechanism and the shell; the injection mechanism is arranged in the containing cavity and the medicine cavity, a threaded rod arranged in the axial direction of the containing cavity is formed at one end of the injection mechanism, and the other end of the injection mechanism is connected with the shell. Through improvement of a transmission mode and a spring