Patent ID: 9557326
Date: 2017-01-31
CPC Classifications: B03C,G01N

Claim:
1. A sample analyzing device comprising: a flow channel, defined by flow channel walls, that conducts a sample including magnetic particles in a flow direction, at least a portion of the flow channel walls being formed from a transparent material; a magnet that generates magnetic fields for capturing the magnetic particles in a magnetic particles capturing region located within a transparent flow channel wall section adjacent to the magnet, the magnetic particles capturing region including an upstream side, a downstream side, a length parallel to the flow direction, and a width, perpendicular to the flow direction, that increases linearly from the upstream side to the downstream side, the magnet being disposed in an inclined condition with respect to the flow direction from the upstream side of the magnetic particles capturing region towards the downstream side, and the magnetic fields having a greater magnitude at the downstream side of the magnetic particles capturing region than at the upstream side; and a detector that detects light transmitted through the magnetic particles capturing region.