Fig. 1: Application of the standard infusion tube and the 23G trocar sleeve adapter for silicone oil injection.
From: Trocar sleeve adapter accelerates silicone oil injection in real-world vitreoretinal surgery

Panels A and B show the standard infusion tube technique. Panels C and D show the placement of the 23G trocar sleeve adapter over the 23G trocar head after removal of the valve cap.