SEREN GUARD® unique manual-retractable safety syringe with a fixed needle used in healthcare settings incorporates safety features to prevent needlestick injuries and ensures one-time use. The syringe plunger can be manually withdrawn to retract the needle into the syringe barrel after an injection is completed.  The retraction feature helps to minimize the handling of used needles, decreasing the chances of accidental needle pricks or reuse. Commonly used in healthcare settings where injections are administered, such as hospitals, clinics, and other medical facilities, maximizing safety for healthcare providers and patients alike.