INTRAOPERATIVE NAVIGATION IN ORAL AND MAXILLOFACIAL SURGERY

被引:1
|
作者
HASSFELD, S [1 ]
MUHLING, J [1 ]
ZOLLER, J [1 ]
机构
[1] UNIV HEIDELBERG HOSP, DEPT ORAL & MAXILLOFACIAL SURG, HEIDELBERG, GERMANY
关键词
COMPUTER ASSISTED SURGERY; NAVIGATION SYSTEMS; IMAGE GUIDED SURGERY;
D O I
暂无
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
Surgical procedures in the oral and maxillofacial region may be difficult in areas of complex anatomy. Up to now surgical planning has been based almost exclusively on the surgeon's experience and on the interpretation of 2-dimensional (2D) radiologic information. Our experiences with a commercially available 3D navigation system (Viewing Wand, ISG, Mississauga, Ontario, Canada) is reported upon. The system consists of a mechanical operating arm with 6 joints and 6 degrees of freedom working as a 3D digitizer and is interfaced to a computer graphics workstation. After registration of the position of the patient's head in relation to the tip of the instrument on the navigation arm, the surgeon can observe the 3D position and direction of the instrument in use on the monitor, i.e. on the computed tomography and/or magnetic resonance tomography images of the patient taken before. In 40 interventions performed so far, the accuracy was 2 mm and better. 3 cases are presented in this paper. The system facilitates surgery especially in anatomically complicated situations without the risk of damaging neighbouring structures. Planning of surgical interventions is much easier. By using computer assisted simulation and navigation systems, we expect an improvement in quality and a reduction in surgical risks. Thus, ''looking ahead'' surgery has become possible. More extensive and more radical interventions are likely to be performed in the near future. Responsibility for the surgical intervention, however, remains exclusively with the surgeon.
引用
收藏
页码:111 / 119
页数:9
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