Patent ID: 8846333
Filing Date: 2014-09-30
Classification: A61B,A61M,G01N

Abstract:
1. Device for visual detection of hemolysis in a whole blood sample, comprising: at least one visible detection compartment and a transfer passage connected to said visible detection compartment, said transfer passage being arranged to permit transfer of a volume of plasma from said sample to said detection compartment, wherein: said transfer passage is arranged with a separation device for separating plasma from blood cells within said whole blood sample before said plasma reaches said detection compartment, said detection compartment and said separation device are arranged within a housing, said transfer passage comprises a needle element having a first end portion for penetrating the sealing member of a blood collection tube and a second end portion arranged at a first end of the housing and in connection to said separation device, said device is arranged with an air-displacing member able to provide a subpressure inside said detection compartment for generating a force urging said volume of plasma to be transferred from said whole blood sample to said detection compartment through said transfer passage and via said separation device, which air-displacing member is arranged at a second end of the housing, said first end of the housing being opposite to said second end of the housing, and said housing is configured so that when the device is positioned vertically on a horizontal surface said air-displacing member will be positioned on the side of the device which faces said horizontal surface and the needle element will at the same time point in an upward direction.