ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,519, issued on June 30, was assigned to ZOLL Medical Corp. (Chelmsford, Mass.).
"Compression depth monitor with variable release velocity feedback" was invented by Guy R. Johnson (Wilton, N.H.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system for facilitating the effective administration of cardiopulmonary resuscitation (CPR) by providing feedback regarding release velocity, which is the velocity of the chest while resiliently expanding during the upstroke of a CPR compression cycle. The feedback is provided, indicating whether the CPR provider has substantially released the chest, through a control systems which analyzes sensor input correspo...