The Cushing cannula is an approximately 10 cm long, distally rounded and closed cannula with centimeter graduations and lateral openings.
Application
The Cushing cannula is used, for example, for intraoperative puncture of the Ventricular system. After removal of the cannula, a ventricular catheter can be inserted through the puncture tract, for example.
Figure
Image of a Cushing cannula for ventricular puncture from Acufirm.