The Application and Exploration of Tungsten-Molybdenum Materials in Medical Technology

Release time:

2025-01-20

1. Medical Devices and Equipment

1.1 Radiological Diagnosis and Treatment Equipment

X-ray Protection:
Tungsten has high density and high atomic number, which can effectively absorb X-rays, and is used to manufacture protective screens for X-ray machines, shielding materials for radiation detectors, and key components in CT equipment.
Accelerator Target Material:
The high melting point and good thermal conductivity of tungsten make it an important choice for target materials in electron linear accelerators, used to generate high-energy radiation.
Molybdenum Target X-ray Tube:
Molybdenum is commonly used as a target material in mammography due to its suitable atomic number and low electron impedance.

1.2 High-Precision Medical Device Components

Tungsten and molybdenum are used to manufacture surgical instruments and components for microsurgery equipment, especially in scenarios requiring high precision, due to their corrosion resistance and mechanical strength.

2. Biomedical Materials

2.1 Coatings for Artificial Joints and Implants

Molybdenum alloys have good biocompatibility and wear resistance, used for coatings on artificial joints, bone fixation devices, and dental implants, significantly extending service life and reducing wear particle irritation to human tissues.

2.2 Applications of Nanomaterials in Drug Delivery

Tungsten-molybdenum oxide nanoparticles are being explored for targeted drug delivery and photothermal therapy. Their high photothermal conversion efficiency can be used for localized heating and destruction of tumor sites.

3. Medical Sensors and Monitoring Systems

Tungsten-molybdenum based materials have excellent conductivity, stability, and corrosion resistance, used to develop electrode materials for biosensors, electrochemical sensors, and miniature medical monitoring devices.

4. Applications in High-Temperature Sterilization Equipment

The high melting point characteristics of tungsten and molybdenum make them important choices for components in high-temperature sterilization equipment, especially in heating elements and heat-resistant parts in high-pressure high-temperature sterilizers.

5. Nuclear Medicine and Radioisotope Production

Molybdenum-99 (99m^{99m}99mMo) is an important radioactive isotope used in medical imaging diagnostics. It is generated by neutron irradiation of high-purity molybdenum target materials and is widely used in SPECT scans in nuclear medicine.

Exploration and Prospects

3D Printing Technology Combined with Tungsten-Molybdenum Materials:
Using powder metallurgy technology or additive manufacturing technology to design more complex medical devices and personalized implants.
Nanocomposites and Integrated Diagnosis and Treatment:
Tungsten-molybdenum based nanomaterials show broad prospects in photothermal therapy, magnetic resonance imaging contrast agents, and other fields.
Green Preparation Processes:
Further optimize the extraction and processing technology of tungsten-molybdenum materials to reduce production costs and environmental impact.