The readiness of the disk for removal is best demonstrated by digital pressure. When it gives to that pressure, whether in whole or in part, the elevator may be applied and the fragment removed.
In the temporal and cerebellar regions special care is required by reason of the absence of diploic tissue.
It is impossible to lay too much stress on the necessity of avoiding injury to underlying dura and meningeal vessels. Injury to these structures not infrequently upsets the whole plan of campaign.
Fig. 14.
Lane’s Fulcrum Craniectomy Forceps.
Fig. 15.
Horsley’s Gouge Forceps.
Fig. 16. De Vilbiss’s Craniectomy Forceps.