In the international standard classification, surgical equipment involves medical equipment, hospital equipment, disinfection and sterilization, protective equipment, vocabulary, ground service and maintenance equipment, rubber and plastic products, first aid.

Medical equipment refers to the instruments, equipment, appliances, materials or other items used in the human body alone or in combination, including the required software. Medical equipment is the most basic element of medical, scientific research, teaching, institutions and clinical disciplines, including professional medical equipment and household medical equipment. The more advocated classification of medical equipment can be divided into three categories, namely, diagnostic equipment, therapeutic equipment and auxiliary equipment. There are medical devices in the hospital can be divided into three categories, as diagnostic, therapeutic and necessary medical devices of different levels of different requirements classification.

Medical equipment is an important symbol of the degree of modernization, the most basic element of medical treatment, scientific research, teaching and research, and also the basic condition for constantly improving the level of medical science and technology.The development of clinical discipline depends to a large extent on the development of instruments, and even plays a decisive role. Therefore, medical equipment has become an important field of modern medical treatment. Medical equipment refers to instruments, equipment, appliances, materials or other items used in the human body alone or in combination, including the necessary software; its effects on the surface and in the body of the human body are not obtained by means of pharmacology, immunology or metabolism, but these means may participate and play an auxiliary role. If used properly, electrosurgical equipment usually makes surgery safer and minimizes complications caused by uncontrolled bleeding.

Apart from the fact that medical equipment must comply with internationally recognized standards, it is very important for other medical equipment, such as the basic performance and the compliance of the power supply used, because the health of patients will be directly or indirectly affected by it. For all electronic medical equipment related to patient care, clinical treatment, health monitoring, or image scanning, if there is no power supply, power loss or other problems, the consequences will directly affect the patient's health. or even cause temporary or permanent damage to the patient. it is even necessary to constantly manage the relevant risks throughout the life cycle of the product to avoid equipment failure.