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   This is the reason why the previous teachers nodded sharply. On the other hand, we all know that don\'t listen to Xie\'s easy words, this is only the first step.

Whether    can control the right angle or not depends on the operator\'s hand, not just a calculation.

   How can the first-time operator be sure to be able to perform operations that have never been done before.

  It doesn’t matter if you don’t have any experience in hand. The experience of hand can also be calculated by numbers.

  The mirror sheath can compare the weight and length with the puncture needle you just took, and then calculate the new feeling value in your mind. With this calculated relative value of the feel, the brain tells the hand to release the needle according to how many times or a fraction of the force it just put down, it should be almost the same.

No matter what is in hand, when the needle is punctured, she has collected the resistance value of the patient\'s brain tissue, and she has a bottom line, so that the damage will not pierce the brain tissue, and she knows where the upper limit of strength is and where the lower limit is. .

   This is the first time I hold this thing for puncture, I am afraid that I am not used to the awkward movement. No need to be afraid. These medical devices were invented to facilitate the operation of doctors, and basically there is no movement mechanism that violates the natural movement of the human hand.

  The mirror sheath needs to be held by the doctor with both hands, but its handle and the sheath body are at a certain angle close to a 90-degree angle, which is convenient for the doctor to hold and insert.

   The thoughts in the mind are clear and the mind is stable. When holding this thing, you know how much strength and angle to use.

  After aiming, adjust the angle in place, put the head of the sheath body into the incision, and enter at a certain slow pace, as with the puncture needle, to avoid damaging the brain tissue as much as possible.

   She did it smoothly and completed the first stage goal without any hindrance.

   Huang Zhilei, who was standing beside her, was dumbfounded.

   It cannot be said that he has never seen anyone perform an operation before. When Xie Wanying participated in the orthopaedic surgery, he went to watch. It\'s just that the shock of witnessing the whole process at close range is completely different from the feeling of watching for a moment.

  Some people say that the younger sister is very powerful. He feels proud as a senior brother and also thinks that the junior sister is powerful. The junior sister has shown the power of medical theory in front of him. But in the end, he has not yet personally experienced how the little junior sister performs surgery.

Today\'s surgery picture and this moment brought him the first wave of visual impact, and let him understand what is the power of the little junior sister: the little junior sister is so powerful that people can\'t tell how powerful it is, and it makes people unable to understand why Awesome awesome.

   This made him, a neurosurgeon, be shocked.

   What surprised him the most was that the people around him were as shocked as he was this little idiot.

   Several pairs of eyes stared at Xie Wanying\'s hands.

   "She used to be in the Second General School." Sun Yubo recalled the chick-like appearance of Xie\'s first day entering the clinic last year, and the more she thought about it, the more confused she became. "She was beaten on the back of the hand by Teacher Tan several times."

  Xie has a good brain, a solid knowledge of textbooks, and is good at collecting medical information. The only thing is that there is no accumulation of experience in the feel. He, Sun Yubo, was a teacher for Xie, and there were few places where he could comfort himself. Fortunately, in this regard, Xie Xie, like him, is going to be beaten on the back by Teacher Tan.

  Which operations require a doctor\'s hand feel? The higher-end tools have higher requirements on the doctor\'s feel. This is the effect demonstrated by Mr. Tan when Xie was out of the exam.

   (end of this chapter)