NEW TRANSDUCERS FOR INTRAOPERATIVE SPINAL SONOGRAPHY

Although ultrasonography during spinal cord surgery has been widely ac cepted, it still has limitations in clinical application because of th e size of the transducers needed and the immersion method. The authors report on newly designed microprobe transducers used to evaluate intr amedullary spinal cord lesions and to monitor surgical procedures. Thi s microprobe system permitted the microscopic use of intraoperative ul trasonography without requiring saline immersion.