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Specific applications of titanium alloys in medical implants

Titanium alloys are widely used in the field of medical implants due to their excellent biocompatibility, corrosion resistance, high strength and elastic modulus similar to that of human bones. The main applications include:

• Artificial joints Titanium alloys are often used to make artificial joints, such as knee joints and elbow joints, to replace damaged joints. The elastic modulus of titanium alloys is closer to that of human bones, which can better integrate with bones and promote healing. Porous titanium alloy materials can also make prostheses bioactive and help the healing of femoral heads.

• Orthopedic implants Titanium alloys are ideal materials for surgical implants and orthopedic devices. It can be used to repair defective skulls. At the same time, titanium mesh is also often used for skull repair.

• Dental implants Titanium has important applications in the dental field, such as dental implants, denture brackets, crowns and bridges. The elastic modulus of titanium is closest to that of human tissue, which can reduce the mechanical incompatibility between metal implants and bone tissue. In addition, titanium has low thermal conductivity, which can reduce thermal stimulation to the dental pulp.

• Cardiovascular applications Titanium alloys can be used to manufacture artificial heart valves, blood filters, pacemakers and artificial heart pumps.

• Others Titanium alloys can also be used to manufacture limb implants, alternative functional materials and medical devices. At the same time, it is also an important material for auxiliary rehabilitation equipment, such as wheelchairs, crutches and splints.