A sterile, flexible, probe-like device intended to be connected to a cardiac laser system for the delivery of laser energy directly onto the heart during transmyocardial revascularization surgery (open surgical approach). It includes fibreoptic materials whereby a distal laser fibre of a specific width is intended to penetrate myocardium to create channels for the promotion of angiogenesis; it may include distal needles/tubing to allow injection of agents into the myocardium. This is a single-use device.