Small-sized hydro-optical needle

The invention discloses a small hydro-optical needle. Comprising a shell, a needle tube arranged on the shell, a piston arranged in the needle tube, a needle frame connected with the needle tube, a negative pressure cavity formed in the needle frame and at least one needle head arranged in the negat...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI WANGXIN, JIA RUIHAO, DONG CHUANHE
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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