Diminishing of anxiety caused by needle fear during anesthesia. The shape of the alligator is compatible with extra-short needles. The conventional needles are not indicated because they are shown during the procedures.
There are 3 types of Carpule syringes. The difference between them is in the support that provides pressure to push the anesthetic. The Alligator Sleeve was developed for the Carpule in Fig. 1. The Carpule in Fig. 2 is not the most indicated, but it also works. The Carpule in Fig. 3 is the only one that does not fit with the Alligator.