Fig.13. Stages of surgical treatment and some modifications of an operation on the upper longitudinal sinus with use of a shunting venous catheter or occluding balloon.
A - electrodes for recording EEG during an operation and marking-out of S-shaped incision of the head soft tissues;
B - different versions of the upper sagittal sinus plasty (according to Siger, 1978, 1984);
C - a shunting catheter (Hakuba et al., 1974);
D - an occluding balloon;
E - the sinus restored lumen.