m|devices Catheter Tip Syringe has a specifically designed funnel end that can be connected to a foley catheter or other tubing. Catheter Tip Syringes are used for cleaning catheters, gastrostomy tubes and other devices and used for wound irrigation. Bold incremental markings allow precise volumes to be clearly read with a volume capacity of 60mL. The retaining ring prevents accidental plunger rod withdrawal.