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.