When selecting an X-ray grid for a specific radiographic procedure, several criteria should be considered:
Grid Ratio: The ratio of the height of the lead strips to the distance between them. Higher grid ratios (e.g., 12:1 or 16:1) are more effective at reducing scatter radiation but require more precise positioning. Lower grid ratios (e.g., 5:1 or 8:1) are less effective but more forgiving in terms of positioning errors.
Grid Frequency: The number of lead strips per inch or centimeter. Higher grid frequencies provide better scatter cleanup but can increase patient dose. Lower grid frequencies are suitable for larger body parts or when dose reduction is a priority.
Focal Distance: The focal distance is the distance between the source of X-rays and the grid. It is important to select a grid with a compatible focal distance to achieve optimal image quality and minimize grid cutoff.
Grid Material: The choice of grid material depends on factors such as budget, image quality requirements, and specific applications. Common grid materials include aluminum, carbon, and low-attenuation grids for pediatric or low-dose imaging.
Grid Type: Including linear focused, crossed linear focused, and parallel grids. Each type has its advantages and disadvantages based on the specific imaging situation.
Consideration of these criteria will help ensure the selection of an appropriate X-ray grid that meets the specific requirements of the radiographic procedure, optimizing image quality and radiation dose. If you are interested in our products, please feel free to contact us. Whatsapp:+86 18953613955. Email: email@example.com
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