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MEDICAL SYRINGE
专利权人:
发明人:
Hideaki KAWAMURA
申请号:
US14142135
公开号:
US20140188052A1
申请日:
2013.12.27
申请国别(地区):
US
年份:
2014
代理人:
摘要:
A medical syringe, having a syringe barrel, a piston, a plunger rod, and a plunger rod holder, wherein a barrel main body of the syringe barrel is formed to have a small inner diameter part and a large inner diameter part, the piston is formed such that the circular part is comprised of an elastic material and has an outer diameter larger than the inner diameter of the small inner diameter part of the barrel main body so that the outer periphery of the circular part can be brought into contact with the inner peripheral surface of the small inner diameter part by pressurizing, and the piston can be held in the large inner diameter part of the barrel main body in a state of being freely fitted thereto.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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