The equipment has been prepared long ago.
Chen Dayong took out a pork leg and placed it on the table covered with newspaper.
"Brother, please demonstrate how to suture a blood vessel for us first. You were so fast that day that I couldn't see it clearly." Chen Dayong said.
Li Zheng nodded, put on gloves, picked up a No. 22 knife, and cut the skin from the back of the pig's leg.
Separate the subcutaneous tissue, fat, and bluntly separate the muscle tissue to quickly reach the vascular and nerve bundle behind the popliteal fossa.
Continue along the vascular and nerve bundles, separating them upward and downward, and cutting the entire pig leg open.
Expose the entire vascular and nerve bundle.
Finally, the whole piece was cut into 30 cm long.
"Haha, this looks so cool, it really relieves my stress!" Zhu Haiping said with a smile.
Chen Dayong chuckled and said, "It looks like a stress reliever, that's because my brother has good skills. You'll feel uncomfortable when you do the dissection yourself later!"
Zhu Haiping's body tensed up, but he quickly adjusted his mentality and said seriously: "I'm not afraid. With Brother Zheng around, I can also grow quickly!"
Li Zheng nodded and said, "Everything is difficult at the beginning, but as long as you study hard and practice a lot, you will get the hang of it quickly! Surgery is just a matter of thinking and practicing. It's not that difficult!"
Li Zheng's words made Zhu Haiping feel even more fulfilled. He could almost see himself standing at the operating table, performing one difficult surgery after another.
Li Zheng then separated the nerves, arteries and veins.
"This pig leg must have been carefully selected. The size of the nerves and blood vessels here are basically the same as those of an adult, and the tissue similarity is also very high. So, if you practice according to this feeling, you will find it very good. When you really perform this kind of surgery in the future, you will quickly find the feeling."
As Li Zheng spoke, he cut out a small piece of blood vessel.
"The first step is to clean the inner and outer membranes of the blood vessel port. This will minimize the impact on the anastomotic lumen, especially the inner membrane. If it protrudes too much into the lumen, it is more likely to cause local coagulation and form a thrombus..."
Li Zheng explained it to them from the most basic level.
Chen Dayong handed over the needle and thread, and Li Zheng was ready to start sewing.
"Haha, you guys just started without even notifying me!" A voice came from the door and everyone turned to look.
"Bao Youshan, why are you here?" Zhu Haiping asked cautiously. This guy came with bad intentions and was sure to steal his pork leg.
Bao Youshan chuckled and said, "I heard the pork legs had arrived, so I came to take a look. Dean Zhang also arranged one for me!"
"Who said that?" Zhu Haiping's heart tightened.
"Director Zhang, although he didn't say it explicitly, as the backbone of the hospital's orthopedics department in the future, Director Zhang will definitely make such arrangements!" Bao Youshan said righteously.
Zhu Haiping was almost crying and looked at Li Zheng for help.
Li Zheng nodded and said, "Since you are here, let's learn together."
"Dayong, you will use this blood vessel to practice later, and the other two will use those two pig legs." Li Zheng said.
Chen Dayong doesn't care, he has the most opportunities.
"I have no problem. I can practice this blood vessel many times! There is also a vein. I guess after practicing these two blood vessels, I should be able to get the hang of it." Chen Dayong said with a smile.
Zhu Haiping felt relieved.
Bao Youshan drooled as he looked at the pork leg on the table. The blood vessels and nerves were right there before his eyes, making him want to sew them up.
"Since you're here, then learn well and try to finish practicing this afternoon. Pork legs will easily go bad if left for too long, and the elasticity of the tissue will decrease if it goes bad. Only fresh blood vessels are worth practicing." Li Zheng said.
Chen Dayong chuckled and said, "How about we dissect out the blood vessels and tendons first, and then stew the pig's leg."
Bao Youshan and Zhu Haiping's eyes lit up, and they began to swallow their saliva at the thought of braised pork trotters.
Li Zheng shook his head and said, "The pork leg was purchased by the hospital. Let's take it to the logistics department to deal with it. Don't let people with ulterior motives gossip about it. If we want to eat it, we can buy it ourselves."
Several people nodded.
In order to avoid waste, the three of them began to dissect the pig legs.
Chen Dayong continued to dissect what Li Zheng had just dissected, and quickly dissected out the remaining blood vessels and tendons.
Bao Youshan was also quick and finished the autopsy after twenty minutes.
Zhu Haiping was much worse off. After twenty minutes, he still hadn't exposed the blood vessels and nerve bundles, and he was sweating profusely in anxiety.
"Don't be anxious. Your foundation is not as good as theirs, so go slowly and sort out all the anatomical levels." Li Zheng said and began to guide Zhu Haiping in the dissection.
Chen Dayong and Bao Youshan have started practicing suturing blood vessels.
The demonstration room became very quiet.
…
It’s time to get off work.
The three of them practiced seriously for several hours.
"Haha, I feel like I'm fine!" Chen Dayong laughed.
Under Li Zheng's guidance, he has basically mastered the anastomosis of large blood vessels.
Li Zheng nodded and smiled: "You have a good understanding and a strong ability to accept. Next time there is a suitable patient, you can try to suturing him."
After hearing what Li Zheng said, Chen Dayong became even more confident. He looked at Bao Youshan and said, "Old Bao, how are you? An anastomosis requires at least 8 stitches. I usually need 12 stitches."
Bao Youshan was a little anxious. Chen Dayong could go on stage and practice directly, but his anastomosis was still sutured in a terrible way.
Seeing Bao Youshan remained silent, Chen Dayong leaned forward to take a look, then suddenly burst into laughter. "Old Bao, what are you sewing? This big lump looks awkward. The blood vessel cavity inside must be quite uneven. If this were a real patient, you'd probably get a blood clot in three days!"
Bao Youshan wiped the sweat from his forehead with his sleeve and said awkwardly, "Dayong, don't compare me with Brother Zheng. That's bullying! If we compare the two of us, I don't think I'm any worse than you."
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