The most popular type of gas powered resuscitator are Time Cycled, Volume Constant Ventilators. The third type is an "oxygen powered" resuscitator. In 1942 he developed an automatic resuscitator. Rescuers send for the nearest resuscitator, located in Dr. Phillips's house across the lake. The second type is the "Expired Air" or breath powered resuscitator. Suhrawardi thought of himself as a reviver or resuscitator of the ancient Persian wisdom.