Potential measuring and display apparatus, especially for electrocardiographic or like use

• US 3,294,084 A
• Filed: 05/14/1964
• Issued: 12/27/1966
• Est. Priority Date: 05/14/1964
• Status: Expired due to Term

• Current Assignee: Graham T. Schuler, Orest Z. Roy
• Original Assignee: Graham T. Schuler, Orest Z. Roy
• Inventors: Schuler, Graham T., Roy, Orest Z.
• Application Number:
  US04/367,411
• Time in Patent Office: 957 Days
• US Class Current: 600/337
• CPC Class Codes: A61B 5/252 by suction
• CPC Class Codes: A61B 5/282 Holders for multiple electrodes for introduction into the body A61B5/287
• CPC Class Codes: A61N 1/04 Electrodes electrosurgical electrodes A61B18/14

Claims

1. APPARATUS FOR DETECTING AND DISPLAYING SIMULTANEOULSY A PLURALITY OF POTENTIALS, COMPRISING (A) A PLURALITY OF ELECTRODES ARRANGED IN A SPATIAL ARRAY, (B) MEANS CONNECTED TO EACH ELECTRODE FOR DETERMINING THE DIFFERENCE BETWEEN THE POTENTIAL DETECTED BY SUCH ELECTRODE AND THE AVERAGE OF THE POTENTIALS DETECTED BY THE REMAINING ELECTRODES, (C) AND MEANS CONNECTED TO SAID POTENTIAL DIFFERENCE DETERMINING MEANS FOR GENERATING AND DISPLAYING A SPATIAL ARRAY OF VISIBLE SIGNALS CORRESPONDING TO THE SPATIAL ARRAY OF THE ELECTRODES, SAID VISIBLE SIGNALS EACH CORRESPONDING TO SAID POTENTIAL DIFFERENCE FOR A RESPECTIVE ELECTRODE, (D) WHEREIN SAID DISPLAY MEANS COMPRISES AN OSCILLOSCOPE DISPLAY ON WHICH SAID VISIBLE SIGNALS EACH APPEAR AS AN AREA HAVING A LIGHT INTENSITY CORRESPONDING TO SAID POTENTIAL DIFFERENCE OF A RESPECTIVE ELECTRODE.