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Chest compression apparatus for cardiac arrest

  • US 5,738,637 A
  • Filed: 12/15/1995
  • Issued: 04/14/1998
  • Est. Priority Date: 12/15/1995
  • Status: Expired due to Term
First Claim
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1. A CPR apparatus for increasing the flow of blood in a patient, the apparatus comprising:

  • (a) a base contoured to seat near a central region of the patient'"'"'s chest;

    (b) a manual actuator;

    (c) a substantially inelastic belt for wrapping around the chest; and

    (d) a force converter mounted on the base, connected to the actuator and having belt connectors coupled to opposite first and second extremities of the belt, for converting a force manually applied to the actuator and directed inwardly toward the chest into (1) a chest compressing resultant directed through the base toward the chest and (2) belt tightening resultants applied to the belt connectors directed tangential to the chest whereby the inwardly and tangentially directed force increases the blood flow in the natural direction.

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