General terms:
* Canula - A tube used to introduce fluids into the body.
* Catheter - A thin, flexible tube inserted into a body cavity or vessel.
* Trough - A wide, shallow, open container for fluids.
* Spout - A tubular projection used to pour liquids from a container.
More specific terms:
* Hypodermic needle - A large-bore needle used for injections.
* Intravenous catheter - A needle used to access a vein for fluids or medication.
* Syringe - A medical instrument used to inject or withdraw fluids.
Descriptive terms:
* Thick needle
* Wide-bore needle
* Heavy-gauge needle
* Large-diameter needle
The best term to use will depend on the specific application and context.