讥讽
发表于 2025-3-26 21:13:26
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Increment
发表于 2025-3-27 01:17:21
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reaching
发表于 2025-3-27 08:20:55
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壕沟
发表于 2025-3-27 10:18:13
Field Inhomogeneity-Based Catheter Visualization. Compared to conventional catheterization under fluoroscopy, MR-guided catheterization has several advantages and disadvantages. The two primary advantages of MR guidance are the lack of X-ray exposure for the patient and medical staff and the good soft tissue contrast, which allows excellent depic
Grandstand
发表于 2025-3-27 17:21:44
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易于出错
发表于 2025-3-27 18:30:43
Active Visualization — MR Profilinge easy to identify in the MR image and should be visible throughout the procedure under various imaging conditions. An ideal method would provide some form of high contrast signature for the device, along with high resolution for accurate placement. An additional requirement is speed, to provide the
音乐戏剧
发表于 2025-3-27 22:13:43
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NUL
发表于 2025-3-28 04:35:39
Safety Issues in the MR Environmentsearch data it can be inferred that more than 100 000 000 diagnostic MR studies have been performed worldwide between the introduction of clinical MRI in the early 1980s and the end of 1996. The number of reported serious complications resulting from these studies is relatively small. A brief litera
Parameter
发表于 2025-3-28 07:44:04
Patient Monitoring in the MR Environment. 1995; . and . 1993). Patient monitoring during an MR examination is complicated since the MR system is an extremely hostile environment for other electronic devices and sensors, and at the same time a very sensitive receiver, making the images prone to artifacts. Before devices were commercially a
傀儡
发表于 2025-3-28 13:15:51
Fast Imaging Techniques for MR-Guided Biopsiesand the multiplanar imaging capabilities of MR (Fig. 13.1) for MR-guided biopsy procedures of all kinds (Adams et al. 1997; . et al. 1989; . et al. 1992; . et al. 1989; . et al. 1993). A growing understanding of the artifacts induced by these devices when used with different sequences (. et al. 1996