Patent ID: 9314794
Filing Date: 2016-04-19
CPC Classification: B01L,G01N

Claim Text:
1. A needle port system comprising: an in-port path; and a needle for inserting into the in-port path, the needle having a tapered portion on an end of a body and a path inside the body through which a liquid passes, wherein the in-port path comprises: a) a guide section having an inside diameter which is larger than an outside diameter of the body of the needle; b) a passage section having an inside diameter which is smaller than the outside diameter of the body of the needle and larger than a tip diameter of the tapered portion of the needle; and c) a tapered section for connecting the guide section and the passage section, the tapered section having a taper angle which is larger than a taper angle of the tapered portion of the needle and half a difference between a largest inside diameter and a smallest inside diameter of the tapered section is smaller than half a difference between the outside diameter of the body of the needle and the tip diameter.