Fluid exchange valve

Claim 1

A CATHETERIZATION VALVE HAVING MEANS FOR SELECTIVELY CONNECTING FOUR FITTINGS INTO FOUR DIFFERENT ARRANGEMENTS FOR FLUID EXCHANGE WITH ONE ARRANGEMENT INTERCONNECTING A FIRST AND SECOND FITTINGS, A SECOND ARRANGEMENT INTERCONNECTING SAID FIRST, SECOND AND FOURTH FITTINGS, A THIRD ARRANGEMENT INTERCONNECTING SAID SECOND AND FOURTH FITTINGS AND A FOURTH ARRANGEMENT INTERCONNECTING SAID THIRD AND FOURTH FITTINGS, SAID VALVE COMPRISING, A VALVE HOUSING INCLUDING AN ANNULAR COLLAR WITH FOUR SPACED RADIALLY ARRANGED PASSAGEWAYS EXTENDING THROUGH SAID ANGULAR COLLAR, FOUR FITTINGS EACH COMPRISING A TUBULAR MEMBER ALIGNED AND INTERCONNECTED WITH ONE OF SAID PASSAGEWAYS AND SECURED AT ONE END TO A FIRST SURFACE OF SAID ANNULAR COLLAR, A VALVE ROTOR HAVING A SIDEWALL SHAPED AND DIMENSIONED TO FIT IN ROTATABLE SLIDING AND FACING RELATION TO A SECOND SURFACE OF SAID ANNULAR COLLAR WITH PASSAGES IN SAID ROTOR EXTENDING TO SAID ROTOR SIDEWALL FOR INTERCONNECTING SAID PASSAGEWAYS INTO SAID FOUR DIFFERENT ARRANGEMENTS FOR FLUID EXCHANGE ON SELECTIVE ROTATION OF SAID ROTOR, SAID PASSAGES COMPRISING A PLURALITY OF PASSAGES EXCEEDING IN NUMBER THE NUMBER OF SAID FITTINGS WITH ONE END OF EACH OF SAID PASSAGES EXTENDING TO AN OPENING ON THE SURFACE OF SAID ROTOR SIDEWALL AND THE OTHER END OF EACH OF SAID PASSAGES OPENING ON AT LEAST ONE OF SAID OTHER PASSAGES WITHIN SAID ROTOR, SAID ONE END OF EACH OF SAID PASSAGES BEING SPACED FROM SAID ONE END OF AT LEAST ONE OTHER PASSAGE A DISTANCE CORRESPONDING TO THE DISTANCE ON SAID SECOND SURFACE OF SAID ANNULAR COLLAR BETWEEN AT LEAST TWO OF SAID PASSAGEWAYS, MEANS FOR SELECTIVELY ROTATING SAID ROTOR RELATIVE TO SAID HOUSING INTO SAID FOUR DIFFERENT ARRANGEMENTS, AND MEANS FOR INTERLOCKING SAID ROTOR AND SAID HOUSING WITH SAID SECOND COLLAR SURFACE IN ENGAGEMENT WITH SAID ROTOR SIDEWALL.