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LOW WASTE SYRINGE AND NEEDLE ASSEMBLAGE
专利权人:
David B. Brothers
发明人:
David B. Brothers
申请号:
US14847825
公开号:
US20160008545A1
申请日:
2015.09.08
申请国别(地区):
US
年份:
2016
代理人:
摘要:
A low-waste needle and syringe assembly for injecting a fluid into a patient is provided. The syringe has hatch marks printed on the outer wall of the body to indicate the amount of fluid and/or the concentration of the fluid contained in a fluid chamber of the syringe. A syringe tip defining a substantially frusto-conical interior void extends from an end wall of the syringe. A needle hub holds a needle and is configured so that the hub can be selectively and securedly attached to the syringe. A frusto-conical member of the needle hub matingly engages the frusto-conical void of the syringe tip when the hub is secured to the syringe, forming a fluid-tight seal. A plunger positioned in the fluid chamber can be depressed by a user, and a piston cap attached to the plunger urges fluid in the chamber out of the chamber through the syringe tip and into the needle. The piston cap matingly engages the end wall of the syringe so that substantially all fluid is urged from the chamber to the needle.
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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