Blood pressure measuring transducer

Claim 1

A TRANSDUCER FOR THE CONTINUOUS EXTERNAL MEASUREMENT OF ARTERIAL BLOOD PRESSURE COMPRISING A CONTAINER HAVING ALL OF THE WALLS THEREOF RIGID AND HAVING ONE OPEN SURFACE, A FLEXIBLE DIAPHRAGM CONNECTED TO THE WALLS AT SAID ONE SURFACE AND CLOSING SAID ONE SURFACE EXCEPT AT THE CENTER THEREOF, A SECOND CONTAINER FITTING WITHIN SAID FIRST CONTAINER, HAVING AN OPEN SURFACE, MEANS FOR SUPPORTING SAID SECOND CONTAINER FROM SAID DIAPHRAGM WITH ITS OPEN SURFACE AT THE OPENING IN SAID DIAPHRAGM, A FLEXIBLE BEAM MEMBER, MEANS FOR SUPPORTING SAID FLEXIBLE BEAM MEMBER AT BOTH ENDS WITHIN SAID SECOND CONTAINER, AN ARTERIAL RIDER MEMBER EXTENDING FROM THE CENTER OF SAID BEAM MEMBER TO THE OPENING IN SAID OPEN SURFACE, SAID ARTERIAL RIDER MEMBER CONSISTING OF A RECTANGULAR BLOCK POSITIONED WITH ITS LONG DIMENSION TRANSVERSE TO THE FLEXIBLE BEAM LONG DIMENSION, MEANS FOR INTRODUCING AIR UNDER PRESSURE INTO SAID FIRST CONTAINER, MEANS FOR MEASURING THE DEFLECTION OF SAID FLEXIBLE BEAM IN RESPONSE TO PRESSURE APPLIED THERETO THROUGH SAID ARTERIAL RIDER, AND MEANS FOR PROVIDING AN INDICATION OF THE DEFLECTION OF SAID FLEXIBLE BEAM.