Automatic heart massage device

• US 3,233,607 A
• Filed: 06/20/1962
• Issued: 02/08/1966
• Est. Priority Date: 06/20/1962
• Status: Expired due to Term

• Current Assignee: Victor W. Bolie
• Original Assignee: Victor W. Bolie
• Inventors: Bolie, Victor W.
• Application Number:
  US04/203,967
• Time in Patent Office: 1,329 Days
• US Class Current: 601/153
• CPC Class Codes: A61M 60/191 mechanically acting upon the outside of the patient's native heart, e.g. compressive structures placed around the heart
• CPC Class Codes: A61M 60/289 Devices for mechanical circulatory actuation assisting the residual heart function by means mechanically acting upon the patient's native heart or blood vessel structure, e.g. direct cardiac compression [DCC] devices
• CPC Class Codes: A61M 60/43 using vacuum at the blood pump, e.g. to accelerate filling
• CPC Class Codes: A61M 60/468 the force acting on the actuation means being hydraulic or pneumatic
• CPC Class Codes: A61M 60/839 of devices for mechanical circulatory actuation

Claims

1. A HEART MASSAGE DEVICE, COMPRISING A CASING HAVING AN OPEN END ADAPTED TO RECEIVE AN INOPERATIVE OR A PARTIALLY INOPERATIVE PART IN SITU, SAID CASING HAVING SPACED APART INNER AND OUTER WALLS DEFINING AN EXPANSIBLE CHAMBER AND MEANS FOR CYCLICALLY PRESSURIZING SAID CHAMBER, SAID MEANS INCLUDING A CYLINDER AND PISTON ROD UNIT, A PAIR OF C-SHAPED TRANSFORMERS POSITIONED ADJACENT SAID PISTON RODS, SAID PISTON ROD HAVING A MAGNETIZABLE PORTION NORMALLY BIASED TOWARD ONE OF SAID TRANSFORMERS, A SOLENOID OPERABLY ASSOCIATED WITH SAID PISTON ROD FOR MOVING THE SAME WAY FROM SAID ONE TRANSFORMER, MEANS FOR SUPPLYING A CYCLICALLY VARYING VOLTAGE TO SAID TRANSFORMERS, AND ELECTRICAL OUTPUT MEANS CONNECTED TO SAID TRANSFORMERS AND INCLUDING GATE MEANS FOR SEQUENTIALLY EXCITING SAID TRANSFORMERS, SAID GATE MEANS BEING OPERATIVE TO REMOVE THE EXCITATION FROM THE THETRANSFORMER HAVING THE SAID MAGNETIZABLE PORTION BIASED THERETOWARD.