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Powered spinal rod cutter

  1. Feb 1, 2010 #1
    I am currently in the middle of a school project requiring a design for a powered spinal rod cutter. It is preferred to be human powered and as compact as possible to access the spine during a surgery, so about 6cm wide at the cutting end and approx 8-9 lbs and requires a 22000N force at the jaw to cut the spinal rod. I have had some trouble coming up with a plausible design, does anyone have any ideas or a direction to go with this project? I have looked into gears to transfer power but not found anything that would allow for a fast enough transfer of energy if turned by hand. I have been thinking that I am limited to some combination of gears and levers, as with all simple/complex machines, any help/advice would be greatly appreciated
  2. jcsd
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