PULSE, RESPIRATION AND INTRAVENOUS RATE COUNTER

摘要

A rate counter consisting of scales scribed on a circular chart forms the dial face of a sweep second hand stop watch, a specified number of counts of a patients pulse beats or respiratory motions or a specified number of drops from an intravenous apparatus are observed, and the stop watch is operated to stop the second had. The stopped second hand is positioned directly opposite a scale providing a direct read out of the patients pulse or respiration rate per minute or the number of cubic centimeters per hour passing from an intravenous apparatus.