Medtronic Inc┬átoday announced the first U.S. implant of the world’s smallest pacemaker: the Micra(TM) Transcatheter Pacing

The Pumping Marvellous Foundation
The Pumping Marvellous Foundation – the UK’s heart failure charity

System (TPS). The device was successfully implanted at NYU Langone Medical Center by Larry Chinitz, M.D., director of the Heart Rhythm Center at NYU Langone Medical Center in New York City, as part of the Medtronic global pivotal clinical trial. The Micra TPS is an investigational device worldwide.

At one-tenth the size of a conventional pacemaker, and comparable in size to a large vitamin, the Micra TPS is delivered directly into the heart through a catheter inserted in the femoral vein. Once positioned, the pacemaker is securely attached to the heart wall and can be repositioned or retrieved if needed. The miniature device does not require the use of wires, known as “leads,” to connect to the heart. Attached to the heart via small tines, the pacemaker delivers electrical impulses that pace the heart through an electrode at the end of the device.

“With its small size and minimally invasive procedure, this technology represents the future of pacing,” said Dr. Chinitz. “Eliminating the need for a lead and pocket has the potential to reduce complications and recovery times compared to traditional pacemaker implants, which would be a major benefit to patients.”

In contrast to current pacemaker implant procedures, the Micra TPS implant does not require a surgical incision in the chest and the creation of a “pocket” under the skin. This eliminates a potential source of device-related complications, and any visible sign of the device.

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