| 直方图和正态分布图在中心静脉导管延长管 双闭环控制挤出数据分析中的应用 |
| Application of Histogram and Normal Distribution Diagram in Data Analysis of Double Closed-loop Control Extrusion for Extension Tube of Central Venous Catheter |
| 投稿时间：2020-03-19 修订日期：2020-03-19 |
| DOI：10.12136/j.issn.1000-890X.2021.03.0223 |
| 中文关键词: 双闭环控制技术 中心静脉导管延长管 直方图 正态分布图 挤出稳定性 外直径 |
| 英文关键词: double closed-loop control technology extension tube of central venous catheter histogram normal distribution extrusion stability outer diameter |
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| 中文摘要: |
| 以中心静脉导管延长管（简称中静管延长管）为试验产品，将双闭环控制技术应用于国产普通医用挤出机上，对中静管延长管外直径检测数据进行挤出分析法分析以及直方图和正态分布图分析，结果表明双闭环控制技术能够提升中静管延长管的挤出稳定性。 |
| 英文摘要: |
| Taking the extension tube of the central venous catheter as the test product，the double closed-loop control technology was applied to the domestic ordinary medical extruder.The test data of the outer diameter of the extension tube of the central venous catheter was analyzed by the extrusion analysis method，and then by the histogram and normal distribution diagram.The results showed that the double closed-loop control technology could improve the extrusion stability of the extension tube of central venous catheter. |
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