Potential risk of thermal damage to cervical nerve roots by a high-speed drill.

  title={Potential risk of thermal damage to cervical nerve roots by a high-speed drill.},
  author={Noboru Hosono and Takaki Miwa and Yoshihiro Mukai and Shoji Takenaka and Taro Makino and Takeshi Fuji},
  journal={The Journal of bone and joint surgery. British volume},
  volume={91 11},
Using the transverse processes of fresh porcine lumbar spines as an experimental model we evaluated the heat generated by a rotating burr of a high-speed drill in cutting the bone. The temperature at the drilled site reached 174 degrees C with a diamond burr and 77 degrees C with a steel burr. With water irrigation at a flow rate of 540 ml/hr an effective reduction in the temperature was achieved whereas irrigation with water at 180 ml/hr was much less effective. There was a significant… CONTINUE READING


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