How to choose a suitable grid in radiology pdf? Points to note

1. Size: models ranging from 8*10 to 17*17, choose according to specific needs
2.Grid in radiology pdf density: The grid in radiology pdfdensity is the number of x ray grids formed by lead bars and their spacing per unit length. The gate density is also called the strip frequency. If the xgrid in radiology pdf ratio is the same, the scattering line with a large x ray grid density will be eliminated efficiently; if the x ray grid density is the same, the elimination effect will be better if the grid in radiology pdf ratio is large. grid in radiology pdf density is a very important indicator. In special circumstances, high-density x ray grids are required, which can be selected according to the specific needs of customers.
3. Grid in radiology pdf ratio: the ratio of the height of the lead x ray grid bar to the width of the gap, from 3:1 to 15:1, 8:1, 10:1 and 12:1 are commonly used
4. Focal length: from standard short focal length (26′- 32′) focal length (34′- 44′) to far focal length (40′- 72′, 48′- 72′- 60′- 72′) to infinity (parallel line). The commonly used focal lengths are 1m, 1.3m, 1.5m and 1.8m, which can be selected according to the chest radiograph or other parts.
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Author：Lillian