Briefly describe two kinds of utility models in three kinds of medical patents.

A: Utility model refers to a new practical technical scheme for the shape, structure or combination of products. In the medical field, changes in the dosage form, shape and structure of some drugs related to functions, especially the shape and structure of diagnostic kits related to the functions of contraceptives and drugs; Special equipment for the production of drugs; The shape and structure of some drug packaging containers; New structures of some medical devices, etc. , you can apply for a patent for utility model.