Could this robot that 'hugs' organ prevent heart failure?

A revolutionary new'soft robotic heart' that fits like a glove around the organ could help people with heart failure. Conventional mechanical hearts pump the patient's own blood through their body using a propeller. But the problem with this is that the pump comes into contact with the patient's blood – putting it at risk of clotting. This needs to be controlled using blood thinning drugs. The new design fits outside the patient's own heart like a glove, squeezing it to make it beat.