mechanically acting upon the outside of the patient's blood vessel structure, e.g. compressive structures placed around a vessel

Full Title

Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance (heart stimulation A61H31/00; heart stimulators for electrotherapy A61N1/362) > Location thereof with respect to the patient's body > Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body > implantable via, into, inside, in line, branching on, or around a blood vessel > mechanically acting upon the outside of the patient's blood vessel structure, e.g. compressive structures placed around a vessel