Applications

Permanent Magnetic Materials in Medical Equipment

Permanent magnetic materials play an essential role in modern medical equipment, supporting high precision, reliability, and advanced diagnostic capabilities. Materials such as neodymium-iron-boron (NdFeB), samarium-cobalt (SmCo), and specialized ferrite magnets are used in both imaging devices and high-performance medical instruments.

One of the most significant applications is in Magnetic Resonance Imaging (MRI) systems. Strong and stable permanent magnets help generate the magnetic fields required for high-resolution imaging while reducing energy consumption compared to fully electromagnetic systems. In smaller portable MRI units, compact NdFeB magnets enable lightweight designs that improve accessibility.

Permanent magnets are also used in surgical tools, drug delivery systems, ventilators, infusion pumps, and various types of medical sensors. In electrocardiography (ECG) and other monitoring equipment, magnetic sensors provide accurate, non-contact measurement, increasing device durability and patient safety.

• Main Applications: MRI systems, ventilators, infusion pumps, surgical instruments, magnetic sensors.
• Benefits: high stability, compact design, energy efficiency, long service life.
• Materials: NdFeB for strong fields, SmCo for high-temperature stability, ferrite for economical designs.

As medical technology advances, permanent magnetic materials continue to support more precise diagnostics and safer, more efficient healthcare equipment.