منابع مشابه
The need for artificial hearts.
Chronic immunosuppression, allograft coronary disease, and restricted availability of donor organs continue to limit the scope of cardiac transplantation. Meanwhile increasingly favourable experience with implantable blood pumps used as a bridge to transplant has reintroduced the concept of permanent mechanical cardiac support. Existing models (for example, the Thermo Cardiosystems Heartmate de...
متن کاملPlastic Hearts, Membrane Lungs, and Artificial Kidneys
Why arc engineers taking more and more interest in problen~s of health and medicine? In part, perhaps, it is a question of a guilty conscience. After all, engineers have seen the destructive power of their inventiveness in the effects of air and water pollution, weapons for the military, and biological and chemical warfare. Can they have as much impact, of a positive sort, in such fields as hea...
متن کاملFeedback Control Applications in Artificial Hearts
The introduction of centrifugal pumps as artificial heart devices has spawned a number of interesting controls problems including magnetic levitation and motoring of a thin, gyroscopic impeller subject to significant but poorly characterized fluid couplings; parameter estimation based observation of magnetic circuits to determine impeller position; and potentially complex coordination of impell...
متن کاملVentricular-assist devices and total artificial hearts.
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متن کاملControl of Artificial Hearts Using Autonomic Nervous Signals
In capable of being c have studied the autonomic nervo signals to control study, we have fo artificial heart us sympathetic ner experiments. The developm allow informatio to control extern the developmen devices, includin On the other artificial heart sy has yet been de been proposed a necessary proper the living body. information of th With this method that can be con natural circulator In ord...
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ژورنال
عنوان ژورنال: BMJ
سال: 1989
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.298.6677.843