US Patent Issued to PHYSIO-CONTROL on June 10 for "Determining chest compression depth using impedance" (Washington Inventor)

ALEXANDRIA, Va., June 18 -- United States Patent no. 12,324,786, issued on June 10, was assigned to PHYSIO-CONTROL INC. (Redmond, Wash.).

"Determining chest compression depth using impedance" was invented by Ronald Stickney (Edmonds, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A medical device for indicating a chest compression depth, including a first electrode assembly structured to be disposed on a chest of a patient, a second electrode assembly structured to be disposed on a back of the patient, and a processor configured to determine a chest compression depth as a proportion of chest height based on a first impedance measurement between the first electrode assembly and the second electrode asse...