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NEEDLE-LESS DOSING INFUSION POSITIVE PRESSURE CONNECTOR
专利权人:
SHANGHAI KINDLY ENTERPRISE DEVELOPMENT GROUP MEDICAL INSTRUMENTS CO.; LTD.
发明人:
LIANG, Dongke,梁栋科,LIN, Sen,林森,LI, Tao,李涛,ZHU, Xiaoye,朱小叶
申请号:
CNCN2014/092274
公开号:
WO2015/081802A1
申请日:
2014.11.26
申请国别(地区):
WO
年份:
2015
代理人:
摘要:
A needle-less dosing infusion positive pressure connector comprising a housing (1). The housing (1) is divided into a vertical segment (11) and a horizontal segment (12) that is located at the middle part of the vertical segment (11) and connected to the vertical segment (11). A hollow rubber plug (2) is provided within the vertical segment (11). One semi-rigid rubber plug inner core (3) is plugged and fixed at the upper part of the hollow rubber plug (2). A partition (21) supporting the rubber plug inner core (3) is provided at the middle part of the hollow rubber plug (2). A sealed structure is formed between the outer wall of the top part of the hollow rubber plug (2) and the inner wall of the upper part of the vertical segment (11). The hollow rubber plug (2) separates the vertical segment (11) from the horizontal segment (12). The bottom part of the hollow rubber plug (2) and the bottom part of the vertical segment (11) are fixed therebetween via a hollow spacer (4) located within the housing (1). When an injection instrument is unplugged, the connector is capable of providing a sufficient amount of positive pressure, thus preventing backflow of blood of a human body, reducing the residual amount of a medicinal solution in the connector, and ensuring the accuracy of dosage.Linvention concerne un connecteur à pression positive pour administration par perfusion sans aiguille comprenant un boîtier (1). Le boîtier (1) est divisé en un segment vertical (11) et un segment horizontal (12) qui est situé au niveau de la partie moyenne du segment vertical (11) et est connecté au segment vertical (11). Un bouchon de caoutchouc creux (2) est placé dans le segment vertical (11). Un cœur interne de bouchon en caoutchouc semi-rigide (3) est inséré et fixé au niveau de la partie supérieure du bouchon de caoutchouc creux (2). Un élément de séparation (21) supportant le cœur interne de bouchon en caoutchouc (3) est placé au niveau de la partie médiane du bouchon de caoutchouc cr
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