首页> 外文会议>Multimodal Biomedical Imaging; Progress in Biomedical Optics and Imaging; vol.7 no.4 >Visual enhancement of laparoscopic nephrectomies using the 3-CCD camera
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Visual enhancement of laparoscopic nephrectomies using the 3-CCD camera

机译:使用3-CCD摄像机视觉增强腹腔镜肾切除术

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摘要

Many surgical techniques are currently shifting from the more conventional, open approach towards minimally invasive laparoscopic procedures. Laparoscopy results in smaller incisions, potentially leading to less postoperative pain and more rapid recoveries . One key disadvantage of laparoscopic surgery is the loss of three-dimensional assessment of organs and tissue perfusion. Advances in laparoscopic technology include high-definition monitors for improved visualization and upgraded single charge coupled device (CCD) detectors to 3-CCD cameras, to provide a larger, more sensitive color palette to increase the perception of detail. In this discussion, we further advance existing laparoscopic technology to create greater enhancement of images obtained during radical and partial nephrectomies in which the assessment of tissue perfusion is crucial but limited with current 3-CCD cameras. By separating the signals received by each CCD in the 3-CCD camera and by introducing a straight forward algorithm, rapid differentiation of renal vessels and perfusion is accomplished and could be performed real time. The newly acquired images are overlaid onto conventional images for reference and comparison. This affords the surgeon the ability to accurately detect changes in tissue oxygenation despite inherent limitations of the visible light image. Such additional capability should impact procedures in which visual assessment of organ vitality is critical.
机译:当前,许多外科手术技术已从更常规的开放方法转向微创腹腔镜手术。腹腔镜检查可减少切口,潜在地减少术后疼痛并加快康复速度。腹腔镜手术的主要缺点之一是缺乏对器官和组织灌注的三维评估。腹腔镜技术的进步包括用于提高可视性的高清监视器以及将升级的3-CCD摄像机的单电荷耦合器件(CCD)检测器升级,以提供更大,更灵敏的调色板,以增强对细节的感知。在本次讨论中,我们进一步推进了现有的腹腔镜技术,以增强在根治性和部分性肾切除术中获得的图像,其中组织灌注的评估至关重要,但目前的3-CCD照相机受到限制。通过在3-CCD照相机中分离每个CCD接收到的信号并引入简单的算法,可以实现肾脏血管的快速分化和灌注,并且可以实时进行。将新获取的图像叠加到常规图像上以供参考和比较。尽管可见光图像具有固有的局限性,这仍为外科医生提供了准确检测组织氧合变化的能力。这种附加功能应影响对器官活力进行视觉评估至关重要的程序。

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