Blood collection kit comprised of blood collection bag, holder for medical sample tubes and vials, and medical sample tubes and vials; Containers especially adapted for the disposal of medical instruments and syringes; Containers especially adapted for the disposal of medical instruments, syringes and other contaminated medical waste; Disposable syringes; Drug delivery systems; Hypodermic needles; Hypodermic syringes; Injection instruments with needles; Injection instruments without needles; Injection needles; Injection needles for medical use; Injection syringes; Medical apparatus and units for dosage, measuring and monitoring, namely, drug delivery devices and systems; Medical syringes; Needles for medical purposes; Needles for medical use; Syringes for medical purposes and for injections