Application of medical titanium alloy materials in medical fields such as artificial joints and spinal orthopaedics
The world's population is nearly 6.5 billion. According to incomplete statistics, there are nearly 400 million disabled persons, 60 million physically disabled persons, and 2 billion dental patients. Currently, only 35 million people are implanted with biomaterial devices, and about 150 million joint replacements are made each year. 10,000 cases, far from the actual number of replacements. Therefore, the market demand for biomedical materials has huge potential. As the first choice for biomedical metal materials, the demand for titanium rods and titanium plates will also increase greatly. Therefore, it is imperative for medical titanium rod manufacturers to increase the research and development of medical titanium alloy materials.
Biomedical titanium material is an important branch of material science. It is a new type of carrier material with high technical content and high economic value for diagnosis, treatment or replacement of human tissues, organs or enhancement of their functions. new areas of development. Biomedical titanium rods make greater contributions to exploring the mysteries of human life and ensuring human health and longevity.
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Among biomedical metal materials, titanium and titanium alloys have become artificial joints (hip, knee, shoulder, ankle, elbow, wrist, finger joints, etc.), bone trauma products (intramedullary nails, steel plates, screws, etc.) ), spinal orthopedic internal fixation systems, dental implants, dental trays, dental orthopedic wires, artificial heart valves, interventional cardiovascular stents and other medical implant products. At present, there is no better metal material than titanium alloy for clinical use. Developed countries and world-renowned in vivo implant product suppliers attach great importance to the research and development of titanium alloys, and have launched a series of new medical titanium alloy materials, including bioactive titanium alloy biomimetic materials, in the surface treatment of medical titanium alloy materials. Many patented designs and developments have also been made to endow medical titanium alloy materials with better biological activity to meet the physiological needs of the human body, so as to achieve the goal of early recovery of patients. For example, cheekbone plastic surgery mainly includes two concepts: one is simple cheekbone cutting, to reduce the outer contour of cheekbones; the other is three-dimensional osteotomy, which achieves cheekbones by shortening and moving bone blocks. reduction of. Cheekbone chisel surgery is generally suitable for patients with prominent anterolateral face. Intraoral incision is often used to separate and expose the zygomatic bone under the periosteum. Special instruments are used to chisel and thin the part of the zygomatic bone that is designed to be removed before surgery, thereby reducing the size of the cheekbones. Facial contour, improve facial shape. The use of titanium nails and titanium plate fixation is to prevent the cheekbones from slipping, causing the facial contour to lose shape, and to better achieve the effect of cheekbones shaping! The biggest advantage of this surgery is that there will be no scars after surgery , leaving no trace. The surgical difficulty of three-dimensional zygomatic osteotomy is greatly increased, and it is suitable for patients with prominent zygomatic arch. In addition to the intraoral incision, an auxiliary incision is usually made in the hidden part of the hairline, or a coronal incision in the scalp is used alone. After subperiosteal separation and exposure of the entire zygomatic bone, bone fragments of a specific size are removed according to the needs of the computer three-dimensional simulation design. The separated bone fragments are reconnected and shaped by using special materials such as titanium nails, so that the entire facial contour and facial shape can be changed to the greatest extent, and even the patient can achieve the effect of "reborn".
