r/UpliftingNews • u/ahothabeth • 2d ago

Tiny Pacemaker Dissolves When No Longer Needed | The new device is smaller than a grain of rice and can be injected by syringe

https://spectrum.ieee.org/pacemaker
357 Upvotes

100% Upvoted

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16

u/Musole 1d ago

I came here to read how this works:

“The quarter-sized pacemaker from 2021 was powered with the help of a built-in antenna that limited attempts at further miniaturization. In contrast, the new device has electrodes that when exposed to body fluids generate an electrical current. This design eliminates the need for an external power source, wires leading out of the body, and an antenna.”

8

u/Scoobydoomed 2d ago

I have five words, wow!

2

u/taxi212001 19h ago

How often does a pacemaker become unnecessary after insertion?

2

u/Odd-Guarantee-6152 4h ago

Sometimes people need temporary pacers after surgery or heart attack until their heart heals. Pacemakers like this also have way, way lower risks of infection and long-term complications.