The AAA pacemaker: It's the size of a small battery and takes just seven minutes to fit

• The first six Britons have been fit with no leads pacemaker Nanostim
• The new pacemaker is the tenth of the size of a traditional pacemaker
• It takes under ten minutes to fit, compared to the current 45 minutes

The first six British patients have been implanted with  a wireless pacemaker – smaller than an AAA battery – that is set to revolutionise the treatment of heart disease. Standard pacemakers, which have changed little since 1958, regulate the pulse by sending electrical impulses into the heart via leads from a battery pack, implanted under the collarbone.

The Nanostim, which has no leads, is a tenth of the size of the traditional device and sits permanently in one of the chambers of the heart. It can take under ten minutes to position, compared with up to 45 minutes for an old-style pacemaker.

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It is inserted through a vein via an incision in the leg, leaving no scars, and held in place by a screw-like anchor, which grips the inner wall of the heart. Read more: http://www.dailymail.co.uk/health/article-2545849/The-AAA-pacemaker-Its-size-small-battery-takes-just-seven-minutes-fit-revolutionary-device-new-hear-millions.html