Abstract: The present invention relates to a disposable safety syringe constructed such that the attached needle may be disposed of safely after use, and additionally configured so that all fluid is forced from the barrel of the syringe, and further constructed so that the plunger may not be fully removed from the barrel, preventing the inadvertent loss of fluid that has been drawn into the syringe barrel.

Abstract: A lancet having a blood-collecting needle with a safety feature, can prevent blood-mediated infections of AIDS, hepatitis, or other pathogenic bacteria due to careless impalement of a person collecting blood or handling waste disposition thereafter, by disposing a cap with a blood-collecting needle and repositioning the point end of the needle inside the cap via a return spring after collecting blood.

Abstract: The present invention relates to a one-time use disposable safety syringe, which will not leave any remnant of an injection behind and facilitate disposal of needles with safety after use, and more particularly to a disposable safety syringe, which consists of a barrel, a needle-setup tube to be connected by a connecting tip for a needle-setup tube at the upper end of said barrel, a syringe plunger to be inserted in said barrel to push the syringe, and a needle protective barrel, and which can, by means of making a packing protrusion formed on a injection packing at the upper end of said syringe plunger come into close contact with a residual-preventing outlet to prevent remaining of the injection solution, said hole being connected with the rear of said needle of said needle-setup tube, facilitate injection of the whole quantity of an injection, and which does, by allowing easily to separate the needle-setup tube with the needle securely inside from said barrel, make it possible to dispose of a used needle w