Patent ID: 8739610
Filing Date: 2014-06-03
Classification: G01N

Abstract:
1. A sample injection port comprising: a) a body made of an inelastic material; b) a first seal member made of an elastic material and attached to one end of the body, the first seal member having a female-tapered needle-seal surface formed on a side to fit the tip of a needle; and c) a second seal member made of an elastic material and attached to another end of the body, wherein: a first through hole formed in the first seal member, a second through hole formed in the second seal member, and a third through hole formed in the body are coaxially connected to form an introduction hole for passing a sample injected into the first through hole by the needle; and a circumferential edge of at least one of two mouths of the third through hole is projected in an axial direction of the third through hole so that an end of the projection comes in contact with the first seal member or the second seal member.