A neurosurgeon's hands need to be steady because once a nerve is affected, it cannot be repaired.
Xie Wanying thought the same thing and said to her senior: "I think Teacher Chang can do such a move with great precision."
Another characteristic of Xie is her sweet mouth. She praises people so naturally that even the most confident people would blush unconsciously. Chang Jiawei dared not move even more. Only he knew that his heartbeat was about to hit his chest wall.
Doctor Liu thought that the surgeon might refer to her opinion, so he asked her, "What is the basis for your conclusion just now?"
"First of all, this is an ultrasonic bone knife, teacher." Xie Wanying turned back and continued to discuss with Teacher Liu.
If the patient's condition permits, members of the surgical team will debate midway through the operation based on new difficulties discovered during the operation in order to adjust a better surgical operation plan that is beneficial to the patient.
Zhang Tinghai walked back to the anesthesia machine and saw that the patient's vital signs were stable and no special abnormal conditions had occurred. Maybe it was really as Tao Zhijie said, the abnormal behavior of this playboy was all due to Xie's guidance.
"We know it's an ultrasonic osteotome," Dr. Liu responded.
"The ultrasonic bone knife uses vibration to break bones, not a blade to cut. The force on the concentrated destruction point can be greater than that of a simple blade. The target is bone. Bones are not soft tissues. They do not need to be cut and torn slowly like soft tissues. You only need to find the breaking point and concentrate the attack, and it will break in one go." Xie Wanying said.
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"Is that so?" Doctor Liu expressed some doubts about what she said.
"It can be compared to teeth." Xie Wanying gave an example, "When our teeth bite something too hard, if it happens to hit a bad spot, it will break. As for the ultrasonic osteotome, it can also be used in dentistry, teacher."
Listening to her clear and logical words, Dr. Liu and the other doctors around him were all silently thinking about the possibilities she mentioned.
The structural components of teeth and vertebrae are certainly not exactly the same, but there are similarities, and they also contain calcium, phosphorus and other minerals. As long as there is enough external force, hard objects can be broken. This external force is either a destructive force, or the force may not be strong but just hits a weak point of the target to cause it to break. This weak point may be a natural weakness in the structure of the target itself, or it may be caused by disease or trauma.
"How did you come to the conclusion that the point of destruction is here?" Doctor Liu further questioned Xie's inference, saying that the operation must be completely confirmed before the operation could be performed.
The others listened in silence. According to the theoretical basis just mentioned, it is certain that there is such a vulnerable point, but how to determine the location of this point is a difficult problem.
Can you tell it with your eyes?
The intraoperative visual field is a bloody mess of bones, with some parts that are not red but have different colors or are invaded and damaged by tumors. It is not easy to find the weak points of a normal bone. If the tumor is added, it is even more difficult to consider the tumor when cutting to prevent it from spreading.
Doctor Liu questioned her and said he did not think her prediction had any accurate basis.
Xie Wanying said to the teacher: "Teacher Liu, you asked me to look at the monitoring data. I found that when Teacher Chang's knife tip touched this place before, the data showed signs of fluctuation. Based on my calculations, I estimate that the weak point should be moved down a little bit."
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