Titanium plates are usually categorized into industrial titanium plates, aerospace titanium plates and medical titanium plates according to different applications. Especially medical titanium plate, it is widely used in the medical field due to its unique physical and chemical properties. The elastic modulus of medical titanium sheet is close to that of natural human bone and has excellent biocompatibility – non-toxic, non-irritating, and non-carcinogenic – which makes it the material of choice for medical implants, medical devices, prostheses, and adjunctive therapeutic devices, among other areas. However, despite this, there are often concerns about the safety and durability of titanium plates during use. This article will answer these questions.

Requirements for medical titanium plates

Compared to ordinary titanium plates, medical titanium plates are manufactured and executed to more stringent standards. In order to ensure its long-term safety and reliability in the human body, the manufacturing process of medical titanium plates needs to be precisely controlled.

Production process and standards

The ingots of medical titanium sheets are usually melted in a vacuum autoclave arc furnace (VAD) or in an electron beam furnace plus a vacuum autoclave arc furnace, with no less than two melting passes per pass. Strict control of the melting process effectively removes impurities and ensures the high purity and excellent mechanical properties of the titanium sheet.

Chemical composition control

During the production process, the content of oxygen, nitrogen, carbon and other elements in titanium sheet is more strictly controlled to ensure that it has high corrosion resistance and better biocompatibility. This control is particularly important in medical titanium plates, as high oxygen and nitrogen content may lead to increased brittleness of the material, affecting long-term stability after implantation.

Strength and Toughness

The strength and toughness of medical titanium plates need to meet the dynamic demands of human joints and bones, especially the impact forces sustained during weight bearing and exercise. Therefore, the mechanical properties of titanium plates must meet stringent requirements to ensure their safety in long-term use.

Surface Finishing Requirements

Medical titanium plates also require more refined surface treatments, including pickling, polishing and anodizing, to increase their surface finish, reduce irritating reactions, and promote the bonding of bone tissue to the plate. The surface treatment not only improves their biocompatibility, but also extends their lifespan in the body.

Standards

Pure titanium medical titanium plates are manufactured according to ASTM F67 and ISO 5832-2 for titanium grades Gr1, Gr2, Gr3 and Gr4, while medical titanium alloy titanium plates are manufactured according to ASTM F136 and ISO 5832-3 for titanium grades Gr5Eli and Gr23, which ensure the quality, performance and safety of the titanium plates.

Applications of medical titanium plates

After years of clinical application and validation, medical titanium plates have been widely used in many parts of the human body, especially in the orthopedic and dental fields, common applications include:

FAQ

1. Can your body reject titanium plates​?

Medical titanium plates are biocompatible and do not cause allergic or rejection reactions in the body.

2. How long do titanium plates last?

It can remain in the body for decades, even a lifetime.

3. Can titanium plates be removed?

Removal of the titanium plate depends on the purpose, the patient’s physical and age condition and the doctor’s recommendation, and is not recommended in the case of the elderly or in the absence of uncomfortable accidents.

4. Does titanium plate dissolve in the body?

Titanium plate would not dissolve in the body.

Conclusion

Titanium plates are widely recognized for their safety in the human body, especially for their biocompatibility, corrosion resistance and good integration with bone tissue, making them ideal for medical implants. However, despite the inherent safety of titanium plates, the human body may experience uncomfortable symptoms such as dizziness and fatigue in some special environments, such as prolonged exposure to strong electromagnetic radiation.

In addition, titanium plates may have an effect on certain medical examinations, particularly in **Magnetic Resonance Imaging (MRI)** examinations. The magnetic properties of titanium materials may interfere with the magnetic field, resulting in artifacts (i.e., distorted or disturbed images) in MRI scans, which may affect a physician’s diagnosis and treatment decisions. This interference not only affects the accuracy of the examination, but may also produce certain thermal effects on local tissues, which in turn may lead to tissue damage. Therefore, patients with titanium plates need to take special care to inform their physicians when undergoing MRI examinations and to choose other types of imaging examinations if necessary.

In conclusion, although titanium plates are generally safe and reliable in medical applications, they should be used with caution in specific situations. Patients should communicate with their physicians to ensure that appropriate precautions are taken during different medical procedures to ensure safety and outcomes.