Ⅰ.Performance description: This product is suitable for clinical examination, diagnosis, surgery, and delivery in obstetrics and gynecology. It has the advantages of comprehensive versatility, lightweight and flexible, practicality and low cost. The examination bed consists of a backboard, hip board, base, etc. The main body of this product is made of stainless steel material. The lifting of the backboard is achieved by pulling the ratchet .