of heart muscle tissues, e.g. using coronary sinus occlusion

Full Title

Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance (heart stimulation A61H31/00; heart stimulators for electrotherapy A61N1/362) > Medical purposes thereof other than the enhancement of the cardiac output > for enhancement of in vivo organ perfusion, e.g. retroperfusion > of heart muscle tissues, e.g. using coronary sinus occlusion