Apparatus for blood analysis; Apparatus for taking blood; Apparatus for the regeneration of stem cells for medical purposes; Blood collection bags for medical purposes; Blood collection kit comprised of blood collection bag, holder for medical sample tubes and vials, and medical sample tubes and vials; Blood collection needles; Blood component separation apparatus for medical purposes; Blood containers for medical purposes; Blood drawing apparatus; Blood filters; Blood testing apparatus, namely, blood collecting tubes; Blood tubing sets for medical purposes; Filters for blood and blood components for medical purposes; Filters for medical purposes, namely, filters for separation of blood or marrow components; Filters for medical purposes, namely, filters for the reduction of fluid volume; Luer lock needles for medical use; Luer tapers for medical use; Medical devices for obtaining body fluid samples; Medical diagnostic instruments for the analysis of body fluids; Medical specimen collection devices in the nature of tubes for the collection of blood; Medical specimen collection devices in the nature of needles, syringes, and tubes for the collection of white blood cells, bone marrow, and stem cells; Medical syringes; Needles for medical use; Sterile sheets, surgical; Medical devices, namely, tubing and bag assembly set and other similar or related devices, which process and treat human platelets with clinical medical reagents for the purpose of enabling the refrigerated storage of human platelets for blood groups for use in blood transfusions