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<section><section powered-by="gulangu"><section><section><p><img src="image/20201019/27e0a381db305a1f993f8601022ff617_1.gif" /></p></section></section></section><section powered-by="gulangu"><section><section><section><section powered-by="gulangu"><section><section><p>模体介绍</p></section></section></section></section></section></section></section><section powered-by="gulangu"><section><section><p> CR DR-26检测模体是用于CR和DR成像系统的质量检测（包括均匀性、空间分辨力、低对比分辨率、可见光野和X射线野的校准和空间距离准确性等）。</p></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201019/42f6b6b241f009443b8670160eb94f08_2.jpg" /></p></section></section></section><section powered-by="gulangu"><section><section><p>1. 模体结构：1 mm厚铜质基板 (310 x 310 x 1.0 mm) ；</p><p>2. 动态范围：9阶不同射线吸收系数的步进式楔形梯:</p><p>0.00, 025, 0.5, 075, 1.00, 1.35, 1.7,2.05, 2.4 mm Cu。</p><p>3. 低对比度细节：两组7阶逆序互补排列的低对比度细节（共14阶），由直径为10mm的铝质圆盘组成，在70kV 时产生的对比度范围为：0.8%,1.2%,1.6%, 2.0%,2.8 % ,4.0 %和5.6 %</p><p>4. 空间分辨率：0.6 – 5.0 lp/mm，完成45°、水平或垂直方向的空间分辨率检测。</p><p>5. 光野照射野一致性：X、Y坐标轴方向，标尺范围宽达26 X 26cm。</p><p>6. 空间距离准确性：标准100 X 100mm空间尺寸,用于检测几何空间失真</p></section></section></section><section powered-by="gulangu"><section><section><section><section powered-by="gulangu"><section><section><p>使用教程</p></section></section></section></section></section></section></section><section powered-by="gulangu"><section><section><p>1. 每次使用CRDR-26模体时, 所有检测条件和设置参数应保持一致;</p><p>2. 根据球管的长轴方向将CRDR-26模体放于X-射线摄影床面;</p><p>3. 选择合适的SID;</p><p>4. 将CR的IP板放置在暗盒中;</p><p>5. 将CR/DR的光野与CRDR-26的光野/射野一致性检测四边重合;</p><p>6. 选择稳定性检测曝光模式和相同的技术参数曝光;</p><p>7. 如果是初次使用模体,用户要选择合适的kVp和mAs值, 通常70kVp,自动毫安秒(AEC); 日后每次测试时都 用此值曝光;</p><p>8. 模体曝光以后, 扫描测读IP板, 并对图像质量进行评估.</p></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201019/83aa35b5db57501da6b6a385508faf91_3.jpg" /></p></section></section></section><section powered-by="gulangu"><section><section><section><section powered-by="gulangu"><section><section><p>评估CR/DR图像</p></section></section></section></section></section></section></section><section powered-by="gulangu"><section><section><p>1. 每次使用CRDR-26模体时, 所有检测条件和设置参数应保持一致;</p><p>2. 根据球管的长轴方向将CRDR-26模体放于X-射线摄影床面;</p><p>3. 选择合适的SID;</p><p>4. 将CR的IP板放置在暗盒中;</p><p>5. 将CR/DR的光野与CRDR-26的光野/射野一致性检测四边重合;</p><p>6. 选择稳定性检测曝光模式和相同的技术参数曝光;</p><p>7. 如果是初次使用模体,用户要选择合适的kVp和mAs值, 通常70kVp,自动毫安秒(AEC); 日后每次测试时都 用此值曝光;</p><p>8. 模体曝光以后, 扫描测读IP板, 并对图像质量进行评估.</p></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201019/b15c52a9880957920ecfd725cdb4d1da_4.jpg" /></p></section></section></section><section powered-by="gulangu"><section><section><section><section powered-by="gulangu"><section><section><p>记录表格</p></section></section></section></section></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201019/74c8887b5b12ab641f3037d33b6daa31_5.jpg" /></p></section></section></section><section powered-by="gulangu"><section><section><p><br /></p></section></section></section><section powered-by="gulangu"><section><section><section powered-by="gulangu"><section><section><p>欢</p></section></section></section></section><section><section powered-by="gulangu"><section><section><p>迎</p></section></section></section></section><section><section powered-by="gulangu"><section><section><p>关</p></section></section></section></section><section><section powered-by="gulangu"><section><section><p>注</p></section></section></section></section></section></section><section powered-by="gulangu"><section><section><p><br /></p></section></section></section><section powered-by="gulangu"><section><section><section powered-by="gulangu"><section><section><p><img src="image/20201019/6b5fd10f08aa53ec9ad7a6156c73123a_6.jpg" /></p></section></section></section></section><section><section powered-by="gulangu"><section><section></section></section></section></section><section><section powered-by="gulangu"><section><section><p>关注我们</p><p>一起涨姿势！</p></section></section></section></section></section></section></section>
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发表于 2020-10-19 13:04:36