Metered-delivery hypodermic syringe

A metered-delivery hypodermic syringe is a sterile, single-use medical device designed to accurately measure and deliver or withdraw a precise volume of fluid from the body. It features a graduated barrel and plunger, enabling controlled dosing for subcutaneous or transcutaneous injection, and may include safety mechanisms such as needle retraction, though the needle itself is not part of the device.

Devices in this category are regulated as single-use sterile medical devices and are supplied without needles. They are intended for one-time use only and must be discarded after administration to prevent contamination or infection. Regulatory oversight focuses on sterility, accuracy of volume measurement, and material safety, consistent with their classification as single-use instruments.