Titanium rods are a very common material, and the purity of sponge titanium can reach 99.9%. Titanium has very stable chemical properties and is not absorbed by the human body. It does not undergo chemical reactions with body fluids or drugs, nor does it ionize or react with human muscles and bones.
Therefore, it is called a "biofriendly metal". Because titanium is "biophilic", it can resist the corrosion of secretions in the human body and is non-toxic, so it is suitable for any sterilization method. Therefore, biomedical titanium (basic materials: medical titanium rods, medical titanium plates, medical titanium wires) is an important branch of medical materials science, mainly used for treating or replacing human tissues and organs or enhancing their functions.
It is a new type of carrier material with high technological content and high economic value. When new muscle fibers wrap around these "titanium bones", these titanium bones start to maintain normal human activities.
Titanium is widely distributed in the human body. In a normal person, its content does not exceed 15mg per 70 kilograms of body weight, and its function remains unclear. However, it has been proven that titanium can stimulate phagocytes and enhance immunity. Titanium is a stable metal with high hardness, light weight, no rust or deterioration, and no metal allergy. Titanium has special electrical properties and can exert beneficial physiological effects on the human body. Its chemical stability does not change or deteriorate over time.
Over the past decade, the market growth rate of biomedical materials and products has remained at around 30%. It is expected that in the next 10 to 20 years, the medical device industry, including medical metal materials, will reach the market scale of pharmaceutical products and become a pillar industry of the world economy in the 21st century. According to incomplete statistics, the number of people with disabilities in the world is close to one twelfth of the world's population, with 60 million physically disabled and 2 billion dental patients.
At present, only 35 million people undergo implant surgery, and the annual number of joint replacements is approximately 1.5 million, which is far from the actual number of people in need of replacement. Therefore, the potential demand in the biomedical materials market is huge. As the preferred choice for biomedical materials, the demand for medical titanium and titanium alloys will also increase significantly. Therefore, it is imperative to intensify the research and development of medical titanium materials.
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