PROCESS AND DEVICE FOR THE SEPARATION OF A BODY FLUID FROM PARTICULATE MATERIALS

摘要

The present invention deals with a process and device for the separation of a body fluid from particulate materials in the fluid to be used for a chemical analysis of the fluid components. The process and device are in particular suitable for the separation of plasma from whole blood. Furthermore the present invention relates to a testing kit for the above mentioned separation and analysis purposes. The device has a collector membrane of defined capacitity which intimately contacts the small pore side of a separator membrane having asymmetric pores passing through it, permitting the application of blood to the large pore side of the separator membrane. Because of the simplicity of the present process and device as well as the testing kit a routine examination may be carried out not only in clinical laboratories but also by general practitioners.