Blood pressure measurement

• US 3,132,643 A
• Filed: 08/18/1960
• Issued: 05/12/1964
• Est. Priority Date: 08/18/1960
• Status: Expired due to Term

• Current Assignee: Jerome N. Baum, Miiton J. Fivel
• Original Assignee: Jerome N. Baum, Miiton J. Fivel
• Inventors: Baum, Jerome N., Fivel, Miiton J.
• Application Number:
  US04/050,400
• Time in Patent Office: 1,363 Days
• US Class Current: 600/485
• CPC Class Codes: A61B 5/024 Detecting, measuring or recording pulse rate or heart rate A61B5/0205, A61B5/021 take precedence
• CPC Class Codes: A61B 5/0285 Measuring or recording phase velocity of blood waves

Claims

1. A SYSTEM FOR MEASURING BLOOD PRESSURE, COMPRISING MEANS FOR DETECTING A FIRST CARDIAC ELECTRICAL SIGNAL GENERATED IN RESPONSE TO A HEART BEAT, MEANS FOR DETECTING A PERIPHERAL PRESSURE PULSE GENERATED IN RESPONSE TO SAID HEART BEAT, MEANS FOR TRANSLATING SAID PRESSURE PULSE INTO A SECOND ELECTRICAL SIGNAL CONSTITUTING A SUBSTANTIAL REPLICA OF SAID PRESSURE PULSE, MEANS RESPONSIVE TO SAID FIRST ELECTRICAL SIGNAL FOR DETECTING THE OCCURRENCE TIME OF A PREDETERMINE CHARACTERISTICS OF SAID CARDIAC ELECTRICAL SIGNAL, SAID PREDETERMINED CHARACTERISTIC OCCURRING ONLY ONCE FOR SAID HEART BEAT, MEANS RESPONSIVE TO SAID SECOND ELECTRICAL SIGNAL FOR DETECTING THE OCCURRENCE TIME OF A PREDETERMINED WAVE SEGMENT OF SAID PRESSURE PLUSE, SAID PREDETERMINED WAVE SEGMENT OCCURRING ONLY ONCE FOR SAID HEART BEAT, AND MEANS RESPONSIVE TO SAID TWO LAST MENTIONED MEANS FOR MEASURING THE TIME INTERVAL BETWEEN THE OCCURRENCE ITMES OF SAID PREDETERMINED CHARACTERISTIC AND OF SAID PREDETERMINED WAVE SEGMENT.