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Updated: May 4, 2026

A Protocol to Set Up Needle-Free Connector with Positive Displacement on Central Venous Catheter in Intensive Care Unit
Published on: July 13, 2019
[The performance of the microbial barrier of needleless positive pressure closed connectors]
Yuyin Xu1, Juanli Zhang1, Zhipeng Gao1
1Henan Medical Instrument Testing Institute, Zhengzhou, 450003.
Objective:
Analyzing the performance of microbial barrier of needleless positive pressure closed connectors.
Methods:
Three kinds of brand needleless positive pressure closed connectors were chosen to do the access of microorganisms test.
Results:
Positive results were detected in the three experimental groups.
Conclusions:
So far, lots of the connectors are not qualified strictly on the market, some improvement is required in the structure design and process.
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