Puncturing card with adjustable caliber

The utility model discloses a trocar with an adjustable caliber, and relates to the technical field of medical instruments. The second sleeve is arranged below the first sleeve, the caliber of the second sleeve is adjustable, the supporting mechanism is arranged in the second sleeve and enables the...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	QIAN YANPING, CHEN DONGQIONG, JIANG LIJUAN, ZHENG NA, CHEN ZHUO, ZHONG QIYA, HE YANFENG, ZHANG YONGHUI, HU HONGJUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE SURGERY
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