A pacemaker that regulates the heart by wirelessly zapping it with pulses of ultrasound from outside the organ is currently undergoing human trials in Europe.
Conventional pacemakers stimulate the heart tissue via electrical leads that are fed into the heart through a vein. But leads can fail, requiring additional surgery to remove and replace them. The conventional approach also restricts where the therapeutic shock can be delivered.
To read the full, original article click on this link: New Pacemaker Needs No Wires - Technology Review
