FILTER MEMBER FOR A SYRINGE CAPABLE OF FILTERING IMPURITIES IN INJECTION LIQUID WITHOUT OPERATION OF FILTER PRESSURE AT INJECTING

摘要

PURPOSE: A filter member for a syringe is provided to improve suction performance, and filtering effect at the same time.;CONSTITUTION: A filter member for a syringe comprises a needle holder(210), a middle block(220), an ending cap(230), and a filter(240). In the front of a needle holder, a needle is combined, a rear side is opened, and a first install part and a second install part are built-in in an internal rear side. The middle block is built-in the first install part of the needle holder, and a suction-penetrating hole is formed to penetrate through axis direction. The front part of the ending cap is installed into the second install part with rotatable state. The cylinder of the syringe is opened to insert-combine the cylinder, and a filter hole and a connecting hole are formed in the front side. The filter blocks the filter hole.;COPYRIGHT KIPO 2012