World’s Smallest Pacemaker: Nanostim

Meet Nanostim, a Transcatheter Pacing System (TPS) developed by St. Jude Medical is both the first leadless and the smallest cardiac pacemaker in the world (less than 10% the size of a regular pacemaker!). This miniature device is delivered to the inside of the heart via the femoral vein where it grabs onto endocardial tissue and provides pacing signals through its electrode tip (seen in the video above). The implantation of the Nanostim doesn’t require traditional surgery, avoiding common post-surgical heart surgery complications like pocket infections, erosion of the pacemaker through the skin, lead dislodgement and lead fracture or perforation–potentially making it a much safer alternative.

(Source: St. Jude Medical)

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