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Assist device. the devices are smaller now and quite durable. this could be expected to last for three to five years and then could be changed out for another device. >> in terms of, when we were talking to you earlier about explaining what this means, one of the things you pointed out, which i think was -- it tells you an important point about how this works, is that mr. cheney won't be expected to have, literally, a pulse. >> a pulse. that's true. >> this is a continuous ventricular assist device, meaning that blood is impelled. it is not a pulsetile device. so if someone were to feel mr. ch...

Quality of life on a ventricular assist device. the devices are smaller now and quite durable. this could be expected to last for three to five years and then could be changed out for another device. >> in terms of, when we were talking to you earlier about explaining what this means, one of the things you pointed out, which i think was -- it tells you an important point about how this works, is that mr. cheney won't be expected to have, literally, a pulse. >> a pulse. that's true. >> this is a continuous ventricular assist device, meaning that blood is impelled. it is not a pulsetile device. ...