Surgical LCD Monitor
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Tree offers the best viewing experience to the surgeons, as they can see more because a 16:9 wide screen provides a wider lateral view. Consider the panoramic view you experience by looking through the windshield of your car. The broader image area allows you to react faster to hazards and avoid accidents. The image to the right represents the view captured by a 16:9 sensor in this Surgical LCD Monitor. The areas visible to the left and to the right marked by the dashed line represent the expanded viewing area compared with a standard definition 4:3 aspect ratio. In fact, this 16:9 Surgical LCD Monitor can increase the surgeon’s lateral view by 32%. A critical element in successful procedures and ensuring positive outcomes is the ability of endoscopy systems to clearly render human anatomy, enabling surgeons to easily recognize landmarks and assess pathologies. HD endoscopy, with its superior clarity and color contrast, enhances visualization.
Images reflecting the 1080p60 standard are capable of emulating 3D views because of their higher depth perception and color contrast that help surgeons better differentiate anatomical planes. Anatomical structures that are not normally visible on flat SD images become more distinguishable and can be recognized more easily. Instrument handling and precise positioning are easier with the extended peripheral views afforded by HD endoscopy. Laparoscopic surgeons over-frame the sensor— magnifying the image until it completely fills the monitor.
The video to the right compares a clinical image shown in a 4:3 standard format with the 16:9 Full HD standards. Both are captured from a circular endoscopic image. With laparoscopic instrument normally coming from the left and right, a 16:9 aspect ratio enables the surgeon to see more of those instruments laterally. Information that is lost on the bottom and top of the original endoscopic image is less critical and can be easily accessed by moving the camera.
For example, during suturing procedures, the surgeon relies on having a clear view of the tips of the suturing instruments to complete the procedure quickly and effectively. For applications where over-framing is not needed, endoscopic images on the monitor are circular. Although there is no advantage to using a 16:9 wide screen aspect ratio sensor here, there is no disadvantage either. The image from the 16:9 HD sensors is displayed as a 16:9 image on the 23” HD monitor with superior color contrast and depth perception of the images. Because the image is acquired in a 16:9 aspect ratio, there is no stretching for display on a 16:9 monitor and, therefore, no distortion. In order to maintain image magnification of the standard 19” monitor, Tree has chosen the 23” 16:9 Surgical LCD Monitor that matches the height of 19” 4:3 monitors.
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