Blood pressure monitors

• US 3,319,623 A
• Filed: 07/13/1964
• Issued: 05/16/1967
• Est. Priority Date: 07/13/1964
• Status: Expired due to Term

• Current Assignee: Seymour B. London
• Original Assignee: Seymour B. London
• Inventors: London, Seymour B.
• Application Number:
  US04/382,255
• Time in Patent Office: 1,037 Days
• US Class Current: 600/496
• CPC Class Codes: A61B 5/0215 by means inserted into the body catheters A61M25/00
• CPC Class Codes: A61B 5/02208 using the Korotkoff method
• CPC Class Codes: A61B 5/023 the pressure transducers comprising a liquid column

Claims

1. A BLOOD PRESSURE MONITOR APPARATUS COMPRISING:

(A) AN INFLATABLE CUFF;

(B) PUMP INFLATING MEANS INCLUDING A CONDUIT IN COMMUNICATION WITH SAID CUFF;

(C) A BLEEDER VALVE POSITIONED IN SAID CONDUIT TO ALLOW SAID CUFF TO SO DECOMPRESS;

(D) AN ELECTRICALLY CONDUCTIVE PRESSURE RESPONSIVE ANEROID MANOMETER IN COMMUNICATION WITH SAID CONDUIT;

(E) A DISPLAY PANEL ELECTRICALLY CONNECTED VIA A SERIES OF INDEPENDENT CIRCUITS TO RESPECTIVE PRESSURE GRADIENT CONTACT POINTS ADJACENT SAID ANEROID MANOMETER, SAID DISPLAY PANEL INCLUDING VISUAL INDICIA MEANS CORRESPONDING TO MID-PRESSURE GRADIENT CONTACT POINTS ADJACENT SAID MANOMETER;

(F) A SOURCE OF ELECTRICAL ENERGY SUPPLYING SAID PUMP INFLATING MEANS, SAID ANEROID MANOMETER, AND SAID DISPLAY PANELS;

(G) A PRESSURE SELECT SWITCH IN CIRCUIT WITH SAID ANEROID MANOMETER AND SAID PUMP INFLATING MEANS, SAID PRESSURE SELECT SWITCH BEING ACTUABLE WITHIN SAID ANEROID MANOMETER TO CUT OFF SAID SOURCE OF ELECTRICAL ENERGY FROM SAID PUMP INFLATING MEANS AT A PREDETERMINED PRESSURE;