Cajun Injector Electric Smokehouse What Is The Thing Called That Injects Meat With Pieces Of Peppers, Garlic, Onion,etc?

What is the thing called that injects meat with pieces of peppers, garlic, onion,etc? - cajun injector electric smokehouse

I've seen on television, as a syringe (Cajun Injector). But only for the most important spices ....