Researchers at Northwestern University have developed something almost invisible to the naked eye – but powerful enough to save lives.
This breakthrough is a pacemaker, smaller than a grain of rice, and only a few millimeters in size.
It may sound like science fiction, but the device can be delivered directly onto the heart through a simple injection – no surgery needed.
And the most astonishing part is that it dissolves by itself once it’s done its job.
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What about the risks?
Traditional temporary pacemakers often require surgery to both insert and remove.
That procedure carries risks, especially for vulnerable patients.
In fact, history has shown how dangerous it can be – astronaut Neil Armstrong died from internal bleeding caused by the removal of his pacemaker.
The danger is one of the key reasons researchers focused on helping children with congenital heart defects.
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After surgery, these young patients need support in the critical first few days.
This new device offers a gentle solution, requiring no second operation and leaving no damage behind.
It works with the body
The tiny device works hand in hand with a wireless sensor placed on the outside of the chest.
When the sensor detects an irregular heartbeat, it sends a signal to activate the pacemaker inside.
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Despite its size and simplicity, the technology has already shown impressive results in tests on mice, rats, dogs, and even human heart tissue.
Clinical trials in humans haven’t begun yet, but the buzz in the medical world is undeniable.
Several independent experts call the invention a major leap in medical technology.
It’s rare to see a breakthrough that offers both high performance and minimal risk. But with this pacemaker, both seem well within reach.
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This article is based on information from Videnskab.dk.
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