Journal of Korean Neurosurgical Society

The Korean Neurosurgical Society (대한신경외과학회)
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The Obturator Guiding Technique in Percutaneous Endoscopic Lumbar Discectomy

  • Han, In-Ho (Department of Neurosurgery & Medical Research Institute, Pusan National University Hospital, Pusan National University School of Medicine) ;
  • Choi, Byung-Kwan (Department of Neurosurgery & Medical Research Institute, Pusan National University Hospital, Pusan National University School of Medicine) ;
  • Cho, Won-Ho (Department of Neurosurgery & Medical Research Institute, Pusan National University Hospital, Pusan National University School of Medicine) ;
  • Nam, Kyoung-Hyup (Department of Neurosurgery & Medical Research Institute, Pusan National University Hospital, Pusan National University School of Medicine)
  • Received : 2011.08.01
  • Accepted : 2012.03.14
  • Published : 2012.03.28
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Abstract

In conventional percutaneous disc surgery, introducing instruments into disc space starts by inserting a guide needle into the triangular working zone. However, landing the guide needle tip on the annular window is a challenging step in endoscopic discectomy. Surgeons tend to repeat the needling procedure to reach an optimal position on the annular target. Obturator guiding technique is a modification of standard endoscopic lumbar discectomy, in which, obturator is used to access triangular working zone instead of a guide needle. Obturator guiding technique provides more vivid feedback and easy manipulation. This technique decreases the steps of inserting instruments and takes safer route from the peritoneum.

Keywords

References

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