What is meant by passive implantable medical device

A passive implantable medical device is a medical device that is placed inside the human body to help doctors achieve a variety of therapeutic purposes. Unlike traditional medical devices, passive implantable medical devices do not require an external power source or batteries to operate, and can operate on their own after being implanted in the body.

Some common types of passive implantable medical devices:

1. Artificial joints: Artificial joints are a common type of passive implantable medical device that can be used in the treatment of joint injuries or diseases. There are many types of artificial joints, including artificial hip joints, artificial knee joints, artificial shoulder joints, and more. These joints can be implanted into the body to serve as a replacement for natural joints and help patients regain joint mobility.

2. Stents: Stents are a common passive implantable medical device used in the treatment of vascular disease. Stents can be implanted inside blood vessels to help dilate narrowed vessels and increase blood flow. There are several types of stents, including metallic stents, medicated stents, and more.

3. Bone Nail: A bone nail is a passive implantable medical device that is implanted in the body for the treatment of bone fractures. Bone nails can securely fixate the fractured bone and help it heal quickly. There are many types of bone nails, including metal bone nails, biological bone nails, and so on.

4. Orthotics: Orthotics are a common passive implantable medical device used to treat skeletal deformities and spinal disorders. Orthoses can be customized according to the patient's condition and needs to help restore normal bone structure and posture.

5. Pacemakers: Pacemakers are a common passive implantable medical device used to treat heart conditions. Pacemakers can control the rhythm of the heartbeat through electrical signals and help patients regain normal heart function.

6. Neurostimulator: A neurostimulator is a passive implantable medical device used to treat neurological disorders. A neurostimulator can stimulate nerves with electrical signals to help patients relieve pain and other symptoms.

Passive implantable medical devices are playing an increasingly important role in modern medicine. They can help doctors treat diseases more effectively and improve patients' quality of life. However, due to the special nature of their implantation in the body, passive implantable medical devices require strict operation and management to ensure patient safety and therapeutic effects.