Patent ID: 8690805
Filing Date: 2014-04-08
Classification: A61H,Y10S

Abstract:
1. A device for compressing a chest of a patient comprising: a belt adapted to extend around the chest of the patient and to be fastened on the patient; a belt tensioning means operably connected to the belt for repeatedly tightening and loosening the belt around the chest of the patient; a motor operably connected to the belt tensioning means, said motor capable of operating the belt tensioning means repeatedly to cause the belt to tighten about the chest of the patient and loosen about the chest of the patient; and a controller for controlling operation of the motor; wherein said controller is programmed to operate the motor and belt tensioning means to cause repeated cycles of tightening of the belt about the chest of the patient and loosening of the belt about the chest of the patient; wherein said controller is further programmed to operate the motor and the belt tensioning means such that upon loosening of the belt, loosening is limited to the prevent the belt from becoming completely slack between cycles of tightening of the belt; and a means for sensing slack take-up, said means for sensing slack take-up being capable of indicating to the controller when the belt has tensioned to a point that it fits snugly about the chest of the patient.