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Application of Neodymium Magnets in Medical Industry

The application of rare earth permanent magnets in medicine occupies an important part of its market (10%). Magnetic resonance imaging (MRI) instrument occupies third place in the international market of neodymium permanent magnets. Nuclear magnetic resonance (NMR) is used in medical equipment. The high magnetic field has more than 3T, which is harmless to the human body. Of all the medical equipment in the radiology department, nuclear magnetic resonance is the safest.

Application of Neodymium Magnets in Medical Industry Application of Neodymium Magnets in Medical Industry

According to the principle that permanent magnets can attract ferromagnets and other substances, neodymium magnets can be used to remove foreign bodies from certain parts of patients in surgical operations, such as foreign bodies in eyes, foreign bodies eaten by mistake, etc. NdFeB permanent magnet can produce a biological magnetic field that simulates the characteristics of the human magnetic field and has stable performance. Acting on the human body can rectify the magnetic field of the human body itself, and promote the operation of meridians by enhancing the bioelectromagnetic energy of the human meridians and collaterals, thus achieving the effects of dredging meridians and collaterals, increasing blood supply and oxygen to the brain, reducing the excitability of the peripheral nerves of the cerebral cortex, and promoting the metabolism of bone and joint tissues, hypnosis, analgesia, sedation, activating blood circulation and eliminating anxiety. At present, it is often used to treat insomnia, neurasthenia, cervical spondylosis, scapulohumeral periarthritis, and other chronic bone and joint diseases, as well as the pain and numbness caused by these diseases.

The Medical Function of Magnets


  • (1) The analgesic effect of magnetotherapy is manifold. For example, magnetotherapy can improve the nutrition of blood tissue and thus overcome the pain caused by iron deficiency, hypoxia, inflammatory exudation, swelling, compression of nerve endings, and accumulation of painful substances.
  • (2) The magnetic field can improve the activity of the painkiller hydrolase and make the painkiller hydrolyze or transform to relieve pain.
  • (3) The magnetic field can stimulate acupoints, dredge channels and collaterals, harmonize qi and blood, and reduce the excitability of the terminal nerve through nerve reflex under the acupoints, so as to achieve an analgesic effect.

2. Anti-inflammation and detumescence:

The causes of inflammation are biological and abiotic.

  • (1) Biological inflammation is caused by bacteria, viruses, and parasites.
  • (2) Non-biological inflammation is caused by hypothermia, high temperature, various toxicities, mechanical trauma, and so on.

Generally speaking, magnetic therapy has a better effect on chronic inflammation of abiotic inflammation and biological inflammation. The magnetic field can strengthen the local blood circulation, improve tissue permeability, and is conducive to the dissipation and absorption of exudates; in addition, the magnetic field can also improve the non-specific immunity of the body, activate white blood cells, enhance the ability of phagocytosis, so it has the effect of detumescence and anti-inflammation.

3. Hypotension and lipid-lowering:

  • (1) The magnetic field can strengthen the inhibition process of the cerebral cortex, regulate the autonomic nerve, strengthen the microcirculation function of the body, and cause a decrease in blood pressure.
  • (2) The magnetic field can make the long hydrocarbon chain of cholesterol become a short chain, and become a polycrystalline center. With the rotation of red blood cells, cholesterol can easily settle on the wall of blood vessels and be easily discharged, so it has the effect of lowering blood lipids.

4. Sedation:

Magnetotherapy can regulate the meridians, nerves, and body fluids to a certain extent. It can not only improve sleep status, promote sleep, and prolong sleep time, but also relieve muscles and relieve itching.

5. Inhibiting tumors:

Magnetic therapy can inhibit both benign and malignant tumors.

  • (1) Excessive tumors, such as fibroma and lipoma, can shrink or disappear.
  • (2) For malignant tumors, such as digestive tract tumors, lymphoma, liver and kidney cancer, it can also improve symptoms, inhibit growth or shrink tumors.


Thank you for reading our article and we hope it can help you to have a better understanding of the application of neodymium magnets in the medical industry. If you want to learn more about neodymium magnets, we would like to advise you to visit Stanford Magnets for more information. As a leading magnet supplier across the world, Stanford Magnets has been involved in R&D, manufacturing, and sales of magnets since the 1990s. It provides customers with high-quality permanent magnets like SmCo magnets, neodymium magnetsAlNiCo magnets, and ferrite magnets (ceramic magnets) at a very competitive price.

About the author

Cathy Marchio

Cathy Marchio is an expert at Stanford Magnets, where she shares her deep knowledge of magnets like Neodymium and Samarium Cobalt. With a background in materials science, Cathy writes articles and guides that make complex topics easier to understand. She helps people learn about magnets and their uses in different industries, making her a key part of the company's success.

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