01:White balance
In addition to adjusting according to specific parameters, a simple method can also refer to the white balance of the gauze before the laparoscope enters the abdominal cavity.
02:focusing
Adjusting the focus is almost the same as using a SLR, adjust it according to the habit of viewing distance.
03:multiple
Under normal circumstances, the multiplier is not easy to be too large. When the multiplier is large, it is easy to blur. If it is small, it is recommended to expose a corner of the screen to the dark area of the circular field of view.When the operator's operation collides with the lens and needs to be exposed clearly, he can exit part of the lens and increase the magnification to meet the requirements.
01:The image is not clear
A. The lens head is not clear: it can be soaked, wiped, or rubbed
B. Focal length: Adjust the focal length when operating the field of view distance, it may be unclear if it is too far or too close.
C. The lens between the lens held by the hand and the lens body extending into the abdominal cavity may be contaminated and unclear.
D. If there is dirt in the trocar, wipe it with yarn
E. There is a problem with the machine or external wiring
02: Improper vision
Another key to supporting the mirror is to make the field of vision positive, that is, the up, down, left, and right of the body structure seen through the screen should be consistent with the existing posture of the body.To maintain a consistent way, first let the hand holding the lens part be aligned, and keep it straight all the time. Generally, there are some buttons on the hand part, so that the center point of all the buttons rushes up vertically is the positive direction.
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