CT computed tomography equipment, breast machines, CR computed X-ray imaging, DR digital X-ray photography and other radiological medical equipment are beginning to develop towards low-dose and clear imaging. Traditional profiles are difficult to meet the development needs of medical bed boards. Carbon fiber composite materials have high transparency and can allow X-rays to be irradiated on the bed board at any angle without refraction or deviation, which can effectively reduce the harm of X-rays to patients and medical staff. Not only that, carbon fiber medical boards can make imaging clearer, allowing doctors to make faster and more accurate judgments.
Carbon fiber medical bed boards not only have requirements for X-ray transmittance and imaging quality, but also have high standards for load-bearing strength. There are two indicators to measure the structural load-bearing capacity of materials: specific strength and specific modulus. The specific strength and modulus of carbon fiber composite materials are the highest among existing structural materials, which can meet the load-bearing requirements of radiation medical bed boards.
Carbon fiber composite materials have low density and light weight, which can meet the requirements of lightweight radiation medical bed boards. At the same time, carbon fiber composite materials also have good fatigue resistance. As radiation medical equipment has the function of carrying patients, the use of carbon fiber composite materials can meet its fatigue resistance requirements. Once a small amount of fibers are subjected to external force and break, the load can be quickly distributed to the unbroken fibers, and the medical bed board will not lose its bearing capacity in a short period of time.
Carbon fiber composite materials have the characteristics of light weight, high strength, high modulus, fatigue resistance, easy X-ray transmission, and low absorption rate, and are widely used in the field of modern medical equipment. Such as X-ray diagnostic equipment, CT machines, radiation therapy machines, etc. This article will analyze the performance of carbon fiber medical CT bed boards?
1. Clarity of imaging
Whether it is two-dimensional perspective imaging or scanning (CT) imaging, the system resolution determines the clarity of the image, and the higher the resolution, the clearer the image. System resolution is a comprehensive reflection of the functionality of the entire imaging system (including computer software and bed panels) of a device, and is the key to imaging technology. At present, the resolution index for advanced X-ray medical equipment systems in foreign countries is set at no less than 4. 01LP/mm.
The well crafted carbon fiber bed board has a uniform internal structure and low material impurity content, which can reduce the divergence of X-rays during use and make the equipment's development image clearer. Boshi Carbon Fiber Material Medical CT Bed Board Equipment has high image resolution and fully meets relevant indicators. According to the specific conditions, the resolution of the X-ray machine system equipped with the developed bed panel was tested, and the test result was 4. 01LP/mm, in line with the imaging resolution index, the developed bed panel meets the requirements for imaging resolution.
2. Mechanical properties
The sandwich structure of carbon fiber medical CT bed board is composed of thinner panels and thicker core materials. The panel is made of carbon fiber composite material with high strength and stiffness, and the thickness is sufficient to withstand the in-plane stress, compressive stress, and shear stress caused by the design load; Polyoxymethylene propylene imide (PMI) foam core material is selected, which has sufficient strength to withstand the bending stress and transverse shear stress caused by the design load; The compressive strength of the panel and the elastic modulus of the core material are sufficient to prevent wrinkling of the panel under the design load; The sandwich structure has sufficient bending stiffness to prevent excessive flexural deformation under design loads.
3. Measurement of X-ray penetration capability
The penetration ability of X-rays is the main reason for selecting carbon fiber for medical bed boards. The better the X-ray transmittance of the bed board produced, the more authentic and exquisite the materials used, which can effectively improve image recognition and reduce power. The carbon fiber CT medical bed board is composed of carbon fiber board and PMI sandwich material, with an aluminum equivalent of 0.52mm AL. It has good X-ray transparency, clear imaging, and no visible shadows (impurities with a diameter greater than 0.3mm) were found when inspecting the film under a dedicated fluorescent lamp.
The mechanical properties of carbon fiber composite materials have been improved compared to traditional materials, enabling the bed board deflection to meet usage requirements. Clinical applications have shown that carbon fiber composite bed boards have significantly improved X-ray transmittance compared to other types of bed boards, meet mechanical performance requirements, and have a smooth and beautiful surface. They are an ideal replacement product.
Our company is a carbon fiber product customization enterprise that can provide customized services for the aerospace, rail transportation, automotive industry, and medical equipment industries. The company has various equipment such as large hot press machines, hot press tanks, and hydraulic forming stations, which can provide you with high-performance carbon fiber products.