Carbon fiber composite materials have been widely used in various fields of medicine, in addition to carbon fiber bed boards, headrests, webs and other common medical auxiliary equipment used for X-ray, CT, B-ultrasound and other examinations. The application forms of carbon fiber composite materials in the medical field are becoming more and more diverse. This article only gives a brief introduction to the application of carbon fiber composite materials in orthopedic surgery.
Carbon fiber ankle and foot orthosis:
Ankle-foot orthosis is usually used to adjust the instability of the foot drop ankle joint, relieve the pressure on the ankle joint, provide patients with a good sense of balance, and reduce the risk of tripping and falling. The use of orthosis can significantly improve the patient's posture control ability, increase postural stability and reduce exercise energy consumption. For patients, the flexibility of the orthosis, the comfort after wearing, and the support for the ankle are the most important aspects. The material of ankle-foot orthosis involves thermoplastics, metal, leather and carbon fiber composite materials.
Recently, on the market, materials for foot drop orthosis are increasingly inclined to lightweight materials, and more and more orthotics are beginning to use light-weight carbon fiber prepreg materials for the main body. Clinical studies have found that the gait of carbon fiber ankle-foot orthosis is better than that of polypropylene plastic ankle-foot orthosis and no orthosis, because carbon fiber materials have special performance advantages, which are more quality than polypropylene plastic orthosis It is lighter, stronger, and has an energy storage effect. It is more labor-saving and more practical for patients to wear than wearing polypropylene plastic ankle-foot orthosis.
Carbon fiber bone external fixator:
Orthopedics found in clinical applications that using continuous carbon fiber reinforced polyolefin composite rods to replace metal connecting rods in bone external fixators has a significant effect. After a large amount of use, this carbon fiber reinforced thermoplastic composite material connecting rod has no deformation, breakage and other phenomena. It is firmly fixed without displacement, and patients have no adverse contact reactions such as allergies. The most important thing is that the material is lighter and the X-ray transmission performance Good, easy to check.
However, from the perspective of biocompatibility and material performance, the bone external fixator made of continuous carbon fiber reinforced polyetheretherketone composite material performs better in terms of overall performance. Orthopedic medical devices made of self-developed continuous carbon fiber reinforced thermoplastic composite prepreg are not only resistant to high temperature, small creep, high strength, light weight, fatigue resistance, corrosion resistance, but also have good X-ray transmission performance, which is especially critical It is Wuxi Zhishang New Material that breaks the price barrier formed by imported raw materials from abroad, so that high-end thermoplastic carbon fiber composite materials can be widely used in various types of orthopedic medical accessories.
Carbon fiber intraoperative perspective frame:
Through years of clinical practice, some experts have designed a fluoroscopy frame for orthopedic surgery using the good X-ray transmission performance of medical carbon fiber materials. The fluoroscopy frame can firmly support the patient's limb during a longer period of surgery It does not affect the multi-angle perspective development.
During intraoperative fluoroscopy, especially when irradiating the side and oblique images, directly place the affected limb on the fluoroscopy frame, and then arbitrarily adjust the direction of the C-arm machine to expose, which can truly and accurately observe the extremity development from multiple angles and different directions Happening. It avoids errors caused by X-ray exposure and micro movement of the affected limb caused by the doctor lifting and adjusting the affected limb with bare hands. The whole fluoroscopy frame is extremely light and easy to operate, and with its assistance, the patient's affected limb is imaged more clearly.