Quick Answer. Cardiotonic drugs are substances that increase the contracting mechanism within the heart, thereby causing more blood to be pumped throughout the circulatory system. These drugs usually affect intracellular calcium levels in the heart muscle to achieve the desired increase in muscle action.
Miniaturized hearing aids that will fit into the ear canal. Miniaturization tech could also be used to monitor pulse, blood-pressure, glucose, ECG via wireless, be used in implants, pacemakers. February 17, 2014. Fraunhofer researchers pack a total of 19 hearing-aid components (left) into their new microsystem (right).
Receiver-In-Canal (RIC) With the RIC hearing aid, there is a small case that sits behind the ear, and a connecting tube between the case and the earpiece that is nearly invisible. The RIC can be made with one of two types of earpieces: one is a mold that fits into the ear canal. The other is an open fit earpiece.