• Fluoroscopy based needle-positioning system for percutaneous nephrolithotomy procedures 

      Conradie, Jean-Pierre (Stellenbosch : Stellenbosch University, 2008-12)
      A fluoroscopy-guided needle-positioning system is designed and tested as a first prototype for aiding urologists in gaining fast, accurate and repeatable kidney calyx access during a PCNL procedure while also reducing ...
    • A needle positioning system for percutaneous procedures 

      Garth-Davis, Bryan (Stellenbosch : Stellenbosch University, 2012-12)
      ENGLISH ABSTRACT: In percutaneous procedures, where the surgeon inserts a needle into a target in the patient, it is challenging to access the target at the rst attempt. Repeated needle insertion attempts are highly ...