Silent Knight

  • 20 cm long
  • Weighs 2 kg
  • A lever arm moves a compression link which forces a platen against an anvil.
  • Uses pouches to eliminate cross-contamination.
  • Safety issue: Finger could get caught and crushed in the anvil.


  • 11” long, 3.75” high, 3.25” wide.
  • Weighs 6lbs
  • Uses pouches to eliminate cross-contamination.
  • Two horizontal solenoids crush pill from opposite ends.
  • Powered by a lithium polymer rechargeable battery. Battery takes two hours to recharge.
  • Claims 4-5 seconds to crush a pill but much more time for fine powder.
  • Safety issue with the open slot. A finger could get caught in the crusher.

First Crush

  • 7” long, 8” high, 5.5” wide.
  • Weighs 3.5 lbs
  • AC Power supply. Uses NiMH  AA battery pack that charges in 2 hours.
  • Uses two plastic cups to eliminate cross-contamination.

Automated Pill Crusher

  • Uses two cups to eliminate cross-contamination
  • Stationary, plugs into the wall.
  • Two forces used to crush pill. Worm gear technology drives a lead screw from the top. A second force uses a spring to push upward.