Collection ring for use in multiple-sample blood fractionation centrifugal rotors

Claim 1

AN IMPROVED SAMPLE COLLECTION RING FOR USE IN MULTIPLESAMPLE BLOOD FRACTIONATION CENTRIFUGAL ROTORS CHARACTERIZED BY A CENTRAL ROTOR PORTION FOR PREPARING BLOOD FRACTIONS HAVING A MULTIPLICITY OF CIRCUMFERENTIAL DISCHARGE PORTS, SAID COLLECTION RING COMPRISING: I. A REMOVABLE ANNULAR VIAL HOLDER RING HAVING A TOP SURFACE AND A BOTTOM SURFACE NESTED CONCENTRICALLY ABOUT SAID CENTRAL ROTOR PORTION, SAID VIAL HOLDER RING DEFINING: A. FIRST AND SECOND NIPPLES POSITIONED ALTERNATIVELY IN A CIRCULAR ARRAY, SAID NIPPLES DEPENDING FROM THE BOTTOM SIDE OF SAID VIAL HOLDER RING, B. A FIRST ARRAY OF PASAGEWAYS HAVING CENTRIPETAL ENDS OPENING IN REGISTER WITH SAID CIRCUMFERENTIAL DISCJARGE PORTS AND CENTRIFUGAL ENDS OPENING IN THE BOTTOM ENDS OF SAID FIRST NIPPLES, C. A SECOND ARRAY OF PASSAGEWAYS COMMUNICATING BETWEEN AND OPOPENING IN THE BOTTOM ENDS OF PAIRS OF SAID FIRST AND SECOND NIPPLES, AND D. A THIRD ARAY OF PASSAGEWAYS HAVING CENTRIFUGAL ENDS OPENING IN THE BOTTOM ENDS OF SAID SECOND NIPPLES AND CENTRIPETAL ENDS OPENING IN SAID TOP SURFACE OF SAID VIAL HOLDER RING, II. PRIMARY AND SECONDARY SAMPLE COLLECTION VIALS REMOVABLY ATTACHED TO SAID FIRST AND SECOND NIPLES, RESPECTIVELY, AND II. MEANS FOR SEALING SAID SAMPLE COLLECTION VIALS TO SAID NIPPLES.