Patent ID: 7883660

Claim:
A sterile package, comprising: a plastic container main body with a folding guide line formed therein to be filled with contents sterilely; a protective case integrally molded with the plastic container main body; and a needle unit sterilely stored in the protective case, the needle unit comprising: a double-ended needle stored sterilely in the protective case, the double-ended needle comprising a stopper end facing the main body of the container and an injection end facing away from the main body of the container; a stopper preventing liquid communication between the double-ended needle and the main body, wherein the stopper is configured to be punctured by the stopper end of the double-ended needle when the needle unit case is pressed toward the container main body, wherein puncturing the stopper with the stopper end of the double-ended needle provides liquid communication between the container main body and the injection end of the double-ended needle; and a check valve intermediate the stopper and the container main body, wherein the check valve is configured to allow liquid communication, when the stopper is punctured by the double-ended needle, from the container main body to the double-ended needle and to prevent liquid communication from the double-ended needle to the main body.