A device for determining the concentration of heparin in a fluid sample comprising: a container for holding the fluid sample; a container for holding the dye solution; a mixer for mixing the fluid sample and the dye solution; an illumination source for illuminating a mixture comprising the fluid sample...http://www.google.com/patents/US20040027557?utm_source=gb-gplus-sharePatent US20040027557 - METHOD AND DEVICE FOR DETERMINING THE CONCENTRATION OF HEPARIN IN A SAMPLE OF FLUID
