Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Assessing variations in 3D image quality in chest CT across sites and scanners.

Medical physics·2026
Same author

Challenges to the management of oncologic theranostics clinical trials: recommendations for the conduct of theranostics trials at investigational sites.

Journal of medical imaging (Bellingham, Wash.)·2026
Same author

Optimizing scan time and bayesian penalized likelihood reconstruction algorithm in copper-64 PET/CT imaging: a phantom study.

Biomedical physics & engineering express·2024
Same author

Digital wrist tomosynthesis (DWT)-based finite element analysis of ultra-distal radius differentiates patients with and without a history of osteoporotic fracture.

Bone·2023
Same author

Changing Landscape of Fentanyl/Heroin Use and Distribution.

Annals of clinical and laboratory science·2023
Same author

Variations in signal-to-noise characteristics of tissue-equivalent attenuators for mammographic automatic exposure control system performance evaluation.

Journal of applied clinical medical physics·2022
Same journal

Synthetic CT-enabled weekly adaptive radiotherapy for nasopharyngeal carcinoma: Optimizing plan adaptation triggers through volumetric-dosimetric monitoring.

Journal of applied clinical medical physics·2026
Same journal

Method for simultaneous selection of treatment isocenters and margins for polymetastatic extracranial stereotactic ablative radiotherapy.

Journal of applied clinical medical physics·2026
Same journal

Pulse‑level characterization of low monitor unit deliveries on a modern linear accelerator using a plastic scintillation detector.

Journal of applied clinical medical physics·2026
Same journal

Improving image quality in terbium-161 phantom imaging: Quantitative evaluation of DEW and TEW scatter correction methods.

Journal of applied clinical medical physics·2026
Same journal

Latent density discrepancies in commercial lung-equivalent inserts and their clinical dosimetric impact.

Journal of applied clinical medical physics·2026
Same journal

Explainable machine learning for patient-specific quality assurance in intensity-modulated radiotherapy based on anatomical structures.

Journal of applied clinical medical physics·2026
查看所有相关文章

相关实验视频

Updated: Jun 11, 2025

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging
08:30

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

Published on: September 11, 2011

14.4K

一种新的方法来评估光镜系统的聚合器性能.

Joseph R Steiner1, Courtney K Morrison2, Mayur Vaya3

  • 1Department of Radiology, University of Chicago, Chicago, Illinois, USA.

Journal of applied clinical medical physics
|October 9, 2024
PubMed
概括
此摘要是机器生成的。

一种新的方法量化了光学聚合器性能,使用放射性不透明的规则和片. 这项评估确保了符合法规的四个系统被发现超过了确定的辐射场极限.

关键词:
设备性能评估 (EPE) 是指设备的性能评估.光镜是指光镜.质量控制质量控制质量控制

更多相关视频

In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy
07:43

In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy

Published on: July 2, 2021

3.0K
Non-fluoroscopic Catheter Tracking for Fluoroscopy Reduction in Interventional Electrophysiology
10:46

Non-fluoroscopic Catheter Tracking for Fluoroscopy Reduction in Interventional Electrophysiology

Published on: May 26, 2015

13.3K

相关实验视频

Last Updated: Jun 11, 2025

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging
08:30

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

Published on: September 11, 2011

14.4K
In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy
07:43

In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy

Published on: July 2, 2021

3.0K
Non-fluoroscopic Catheter Tracking for Fluoroscopy Reduction in Interventional Electrophysiology
10:46

Non-fluoroscopic Catheter Tracking for Fluoroscopy Reduction in Interventional Electrophysiology

Published on: May 26, 2015

13.3K

科学领域:

  • 医学成像物理 医学成像物理
  • 辐射科学 辐射科学
  • 诊断成像技术 诊断成像技术

背景情况:

  • 光学使用聚合器来限制辐射场的大小,需要每年对监管合规性进行性能评估.
  • 设备性能评估对于维持医疗成像设施的标准至关重要.

研究的目的:

  • 开发和介绍一种用于评估和量化光镜聚合器性能的方法.
  • 为了确保光镜系统满足辐射场限制的监管和认证要求.

主要方法:

  • 在X射线源组装出口窗口上使用了带有放射性不透明规则和放射性色膜的测量装置.
  • 该方法应用于79个不同的光镜系统,包括固定,移动和迷你C臂,以及放射性光镜单元.

主要成果:

  • 超长长度 (EL) 和超宽度 (EW) 的测量与21 CFR 1020.32的极限值进行了比较,其中4个系统超过了这些极限值.
  • 辐射测量装置的放置显著增加了薄膜暴露率 (高达14.6倍).
  • 整个测量过程,包括设置,每系统需要5到10分钟.

结论:

  • 开发的方法提供了光镜聚合器性能的简单,定量评估.
  • 这种方法有效地满足了监管和认证机构对辐射安全和设备性能提出的要求.