asteroza + heart   9

Have an (artificial) heart | OHSU News
Artificial heart that use an oscillating linear piston design to reduce the parts count. Wonder how they prevent piston impacts at top/bottom dead center?
linear  free  piston  rod  pump  artificial  heart  medicine  health  research  technology 
march 2018 by asteroza
Perpetual motion: A piezoelectric pacemaker that is powered by your heartbeat | ExtremeTech
Wow, that's actually pretty smart, if the local energy generation and storage for the periodic stimulus firing is sufficient and it isn't a large device to stuff into someones chest. Also much simpler and potentially more failsafe than say a blood sugar powered fuel cell.
batteryless  integration  technology  research  hardware  electronics  devices  medical  medicine  health  heart  body  pacemaker  powered  human  collector  generator  power  harvestor  energy  kinetic  piezoelectric  Delicious 
november 2012 by asteroza

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