Amidst the song of 'Good Luck Comes', Lao He took the mask and covered Little Shitou's mouth and nose.
Between breaths, Little Shitou sank into a deep sleep under the effect of the medicine.
"Boss Zheng, this child is quite sensible," Lao He said as he looked at the sleeping Little Rock.
"Okay." Zheng Ren nodded. "Anesthetize him and get ready to position him."
Little Shitou's surgical position had been rehearsed many times. Zheng Ren was going to perform a cervical tumor resection with the help of interventional radiology, which was different from ordinary surgery.
Gao Shaojie and Lin Yuan began to get busy. Zheng Ren did not call anyone else. The entire surgery was prepared to be completed by himself and Su Yun.
To him, who was at the peak, the existence of an assistant was meaningful, but he needed an assistant at Su Yun's level. Moreover, it was necessary to carry out contrast imaging through the radial artery and apply contrast agent to the local area. The operating table could not accommodate more people.
Lao He was busy intubating, adjusting the value of the ventilator, and administering medicine.
Xie Yiren was counting the instruments with the circulating nurse. In the beginning, the scrub nurse and the circulating nurse were very resistant to being disturbed. If he forgot to count, he would have to start all over again.
If they encountered a circulating nurse with a fiery temper, they would immediately go berserk, point at their noses, and scold them.
Zheng Ren stood quietly in front of the radiographic film viewer. He crossed his arms and looked at the radiographic films for the last time.
After 12 ′ 22 ″, Su Yun's voice came, "Boss, don't look at me. Wash your hands and go on stage."
"Okay." Zheng Ren nodded and turned around to wash his hands.
After getting into position, Zheng Ren went to put on his lead apron and scrub in. When he came back, he stood steadily at the side. He did not immediately stand by the operating table.
The airtight lead door closed. Gao Shaojie had already completed the puncture. With the help of Lin Yuan's assistant, he began to step on the line and carry out the superselection.
What he needed to do was to inject indocyanine green into local blood vessels.
In 2009, the Japanese scholar Ishizawa discovered that patients with liver tumors who were injected intravenously with indocyanine green before surgery could detect the fluorescence of the tumor tissue using near-infrared imaging technology during surgery. This made it possible to visualize the tumor lesion in real-time during surgery.
Initially, indocyanine green was used to diagnose liver segmentation and other liver diseases.
As time passed, the surgeons discovered that they could use infrared imaging technology to examine the range of the tumor tissue.
Therefore, in the next few years, special laparoscopic surgery for gastric cancer, esophageal cancer, and other cancers using indocyanine green markers were rapidly developed in the clinic.
However, the molecular-targeted fluorescence microscopy technique had not been promoted by a competent person, and many clinicians felt that it was not necessary at all. In addition, they needed to change their surgical habits and use new instruments. Therefore, the advancement of this technique was very slow.
Indocyanine Green is the only one currently approved for clinical use.
Fluorescence imaging of liver cancer and sentinel lymph nodes has shown initial results. However, indocyanine green itself did not have tumor targeting properties. Since then, fluorescent molecular probes with targeting properties began to enter people's field of vision.
This time, Zheng Ren was using this technique to accurately locate the tumor.
Furthermore, he had walked further than anyone else!
Normal molecular-targeted fluorescence microscopy technique requires intravenous administration of drugs before surgery, and the drugs are distributed to the tumor tissue through blood circulation.
With the help of an infrared fluorescent camera, the tumor tissue was displayed on the screen, allowing the surgeon to have a deeper understanding of the patient's condition.
However, Little Shitou's condition was more serious and his body was weaker. There was no point in giving medication to the whole body through the peripheral vein. No matter what, it would increase the burden on the liver.
Therefore, Zheng Ren decided to directly administer the drug at the external carotid artery under the intervention, directly acting on the tumor in the surgical area to make it visible.
If he did this, the dosage of the drug would be smaller. Moreover, for some of the less sensitive areas, the drug could be administered repeatedly and the contrast examination could be done. Compared to intravenous administration, the accuracy and repeatability were much higher.
One surgery spanned across three surgical departments and even involved the use of interventional methods. Only Boss Zheng, who led the interventional treatment group, could do this.
He did not need to coordinate the communication between the departments. He only needed to say one word and pull Gao Shaojie onto the stage.
The interventional surgery began. Zheng Ren squinted at the screen.
Opposite the surgeon was the interventional screen, and another infrared screen was hanging above Little Shitou's leg.
In this way, both Zheng Ren and Su Yun, who was his assistant, could clearly see the tumor tissue that was fluorescent.
The entire operating table was surrounded by all kinds of machines. There were ventilators, monitors, micropumps, interventional imaging screens, and fluorescent infrared imaging screens.
Zheng Ren and Su Yun wore microscopes on their heads.
In addition, in front of Xie Yiren was the operating box that Dr. Charles had given Zheng Ren. Everything made the surgery look like it was made of metal.
This was no longer the operating theater of the 912. It was more like an operating theater from the future.
Zheng Ren silently watched Gao Shaojie perform the contrast and use a high-pressure injector to inject a small amount of contrast agent.
This kind of 'simple' operation did not need Zheng Ren to do it himself.
After Gao Shaojie finished the operation, Zheng Ren walked to the operating table.
He first adjusted the angle of the camera and the shadowless lamp, which were covered with a layer of sterile plastic film. Then, he took a deep breath and gently stretched out his hand.
The hilt of the lancet was immediately slapped into Zheng Ren's palm.
A huge'S '-shaped incision appeared in the surgical area as the lancet wound. The curve was perfect. After the incision, Zheng Ren slapped the lancet on the side of Little Shitou's leg. He reached out and slapped the sterile gauze and hemostatic forceps into his palm.
Su Yun held the electric cautery and hemostatic forceps in his hand to help Zheng Ren stop the bleeding.
After the skin was cut open, the image displayed on the screen by the infrared camera showed that under the infrared light, it was green tumor tissue and slightly discolored sentinel lymph nodes.
Lao He looked at Boss Zheng, who was surrounded by countless machines, and a sense of loss arose in his heart.
This kind of scene was too high-tech. It was not a scene that Lao He was familiar with when surgeons usually performed surgery.
It was a little unfamiliar, but there was a little familiarity in the unfamiliarity.
The bleeding after the edge of the skin was cut open, the hemostatic forceps and electric cautery in Su Yun's hand, and the blunt scissors and hemostatic gauze in Boss Zheng's hand.
All of these diluted the cold mechanical feeling a little, making it look a little more real.
Lao He took a deep breath and puffed his cheeks to prevent himself from being shrouded by this heavy metal surging wave of technology.
It was enough for him to be responsible for his own part. He absolutely could not make any mistakes!
He chased his assistant to the side and looked around his territory seriously — ventilators, monitors, micropumps, and so on.
He was just a part of the medical team. It was enough for him to maintain himself well and not delay the operation of the entire machine. This was the position that Lao He had given him.
As for the central control equipment, it was Boss Zheng. He only needed to try his best to cooperate with him. As for how the surgery was to be performed and how the postoperative effect would be, that was what Boss Zheng should consider.
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