Practice safety syringe. (Machine-translation by Google Translate, not legally binding)

摘要

Practical safety syringe, for use in health centers, formed by the classic elements of a syringe (2) with cylindrical body, needle, cap, etc .; characterized by the inner hollow cylindrical stem (6), it ends in a funnel or truncated cone (4). Inside the same in the unión of the funnel with the cylindrical body has a serrated ring. (Machine-translation by Google Translate, not legally binding)