To strengthen the supervision and guidance over medical device product registration and further improve the quality of registration review, NMPA has organized the formulation of the Guidance for Technical Review of the Registration of Vertebroplasty Balloon Dilation Catheters, Guidance for Technical Review of the Registration of Acrylic Bone Cement for Artificial Joint Replacement, Guidance for Technical Review of the Registration of Metal Intramedullary Nail System, Guidance for Technical Review of the Registration of Vaseline Gauze, Guidance for Technical Review of the Registration of Hydrocolloid Dressings, Guidance for Technical Review of the Registration of Ovum Aspiration Needles for Assisted Reproduction, and Guidance for Technical Review of the Registration of Spinal Implant Quality Control and Clinical Evaluation, which have been released on May 9, 2020.