Stereotactic Simultaneous Approach of Sub- and Supra-Tentorial Structures in the Human Nervous System Introduction of an Original Apparatus

Presentation of a new apparatus which allows the rapid performance – with great precision and a minimum of calculations – of several simultaneous penetrations of double sagittal and frontal obliquity, in a manner that is comfortable for both patient and surgeon. Furthermore, it should permit the approach of extra-encephalic structures: posterior percutaneous cordotomy (Hitchcock), intra-hypophyseal implantation or cryodestruction, for example.