An adaptor is provided for use with a syringe and a blunt cannula to efficiently deliver a sample of blood to a point-of-care testing cartridge. The syringe includes a generally cylindrical tip with a passage that communicates with a fluid receiving chamber of the syringe. An annular or toroidal bead...http://www.google.ca/patents/US20020143297?utm_source=gb-gplus-sharePatent US20020143297 - Adaptor for use with point-of-care testing cartridge
