“We’ve already seen devices of this type but they had a relatively low autonomy. This heart will allow for more movement and less clotting. The study that is starting is being very closely watched in the medical field.” Heart failure affects more men than women, and the size of the artificial heart means it can fit in 86 per cent of men’s bodies but only about 20 per cent of women. However, Carmat says it can manufacture a smaller version to fit the more petite bodies of women as well as patients in India and China.