One of the important uses of medical electronics are the diagnostics tools or the tools that aid in surgeries. These instruments have features which are designed to sense, record and display physiological signal. Electric simulators, ventilators, artificial organs (e.g. artificial kidney), prosthetic devices, heart-lung machines, implantable devices(pacemakers), drug delivery pumps (e.g. insulin pumps) etc. are some of the examples of therapeutic and prosthetic devices whose main purpose is to treat human ailments or aid surgeons in the surgeries. Some of these design features of some of the devices are explained in detailed.
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