Hsien-Tsung WANG;ANHUI HONGYU WUZHOU MEDICAL MANUFACTURER CO., LTD.
发明人:
HSIEN-TSUNG WANG,HONG-YU ZHANG
申请号：
US15489976
公开号：
US20180296769A1
申请日:
2017.04.18
申请国别(地区):
US
年份:
2018
代理人:
摘要：
A safety syringe (1) includes a sleeve assembly (10) threadedly secured to a vial (40) containing regular insulin and including an axial channel (12) with a needle assembly (20) placed therein, and two opposite pivot pins (14) formed on an outer surface. The needle assembly (20) includes a needle hub (22) formed on a front end, and a hypodermic needle (23) through the needle hub (22). A protective covering (30) includes two opposite arms (31) pivotably secured to the pivot pins (14), a space (32), a slot (33) parallel to the arms (31) and communicating with the space (32), and at least one lock member (34) at an end of the slot (33). After injection, a clockwise rotation of the protective covering (30) until the lock member (34) passes through the needle hub (22), and the hypodermic needle (23) passes through the slot (33) to conceal in the space (32).
