Functions of Medical Devices

Medical devices are instruments, equipment, appliances, in vitro diagnostic reagents and calibrators, materials, and other similar or related articles intended for human use. They are used in the prevention, diagnosis, treatment, monitoring, and rehabilitation of diseases, and are an essential part of modern healthcare systems.

According to their functions, medical devices can be classified into the following categories:

• Diagnostic medical devices: Used for disease diagnosis, including in vitro diagnostic reagents, imaging diagnostic equipment, and monitors.
• Therapeutic medical devices: Used for disease treatment, including surgical instruments, therapeutic devices, and implantable devices.
• Rehabilitation medical devices: Used for disease rehabilitation, including rehabilitation equipment and assistive devices.
• Preventive medical devices: Used for disease prevention, including vaccines and contraceptives.

Here are some common medical devices and their functions:

• In vitro diagnostic reagents: Used to test samples extracted from the human body to obtain disease diagnostic information.
• Imaging diagnostic devices: Used to generate images of the human body to assist doctors in diagnosing diseases.
• Monitors: Used to monitor patients' vital signs, such as heart rate, respiration, and blood pressure.
• Surgical instruments: Used for operations on the human body.
• Therapeutic devices: Used to treat diseases, such as physical therapy devices and radiation therapy devices.
• Implantable devices: Implanted into the human body to treat diseases, such as artificial joints and pacemakers.
• Rehabilitation equipment: Used to help patients recover physical function.
• Assistive devices: Used to help people with disabilities or the elderly with daily life.

Knowing the functions of medical devices can help people understand their uses and how to use them, and choose the right medical devices for them. When purchasing medical devices, it is important to note the following:

• Choose medical devices produced by regular manufacturers.
• Read the instructions for use of medical devices carefully.
• Choose the right medical devices according to your own situation.
• Be safe when using medical devices.

Medical devices are an essential part of modern medicine, and their functional descriptions are of great significance to people's healthy lives.