Where will human medical care go in the future? Zhang Fan had never considered this issue before. At first, Zhang Fan was thinking about how medical treatment could help him feed and clothe himself and buy a house and marry a wife.
Later, when all of this was in place, Zhang Fan would occasionally think about it. Then, when the surgical level reached the system's level two requirements, which in reality was already at the peak level, Zhang Fan really started to think about it.
Maybe it's because Zhang Fan is just a layman, but this is more representative of the mentality of the majority of medical professionals. Just like every ordinary doctor in every hospital, if you ask him where medical care will go in the future, he must be waiting for the mortgage to be paid off! Doctors are also ordinary people, but society has given them more moral requirements.
As for the future of medical care, in fact, Zhang Fan’s answer now is that the future of medical care will definitely move towards replacement surgery. Many doctors say that the future will be minimally invasive and interventional, but Zhang Fan definitely disagrees. Minimally invasive and interventional surgery is at best a reduction of current surgeries. Combined with the withering factors in human cells, the future medical treatment will definitely be replacement surgery.
From the perspective of the human heart, as the number of interventional surgeries increases, there are also more and more disadvantages. Especially with the brutal promotion of commercialization, the disadvantages are hidden. The 10-year blockage rate has become an important issue that interventional surgeries have to face. subject. Of course, the benefits are obvious.
Zhang Fan quickly went through the cardiac surgery in the system. The operating room was ready, and he was just waiting for Zhang Fan to open his eyes for the operation.
"Zhang Yuan!" Director Lin glanced at Zhang Fan a little worriedly. He thought Zhang Fan was too tired.
"It's okay!" Zhang Fan shook his head.
The four students had already begun to murmur in their hearts, "Is closing your eyes before surgery some kind of special trick?"
Extracardiac surgery is quite laborious compared to general orthopedic surgery.
Orthopedic surgery, general surgery, even if you cut a little more, it doesn't matter, such as rubbing the swollen appendix! But it's different when it comes to extracardiac surgery. To a certain extent, extracardiac surgery requires more precision than extracerebral surgery. Extracardiac surgery requires not to mention one more incision. Sometimes one extra incision may cost a person's life.
Zhang Fan, Director Lin, and the former deputy director of cardiac surgery, the four of them worked on the operating table for a whole morning. Extracardiac surgery requires not only good technology, but also good equipment, and the materials must not be bad.
"The valve material needs to be replaced!" Zhang Fan said something incomprehensible when the valve was being replaced.
Director Lin was stunned, and the first thing he thought in his mind was: This material is made of sunlight! The equipment representative is a man! Then I thought: Isn’t this advanced?
Valve, what is this thing, it is actually a window.
The heart is like a four-price suite. The door is the aortic valve, the mitral and tricuspid valves are the windows, and the blood is the air. That's about it.
It would be more troublesome to talk about it in detail. The initial perfusion volume and fluid movement are really troublesome things.
Someone has said that if you want to understand the liver, you must be good at chemistry and biochemistry, and if you want to understand the heart, you must be good at physics and electrophysiology.
Replacing windows, let alone the heart, is a troublesome thing even for ordinary people. There are currently three types of valves. One is the mechanical valve, which is often made of titanium because it is the only one that does not affect the autonomic nerves. Made of metal, the second type is pig or cow heart valves, and the third type is interventional umbrella type.
Zhang Fan used a mechanical valve today. How can I say this thing? It has obvious advantages and disadvantages. It requires lifelong anticoagulant medication. Even if it is taken for a lifetime, thrombosis will easily form near the valve.
After the operation was completed, Zhang Fan said hello and left in a hurry. Director Lin felt that Zhang Fan was very strange today.
As soon as Zhang Fan left the operating room, he started making phone calls, "Ms. Zeng, I'm Zhang Fan, do I have time now? If so, please come to the administration building."
Ms. Zeng was originally in a meeting, and she wanted to have three busy people. But when Zhang Fan called her, she was leisurely drinking afternoon tea.
Zhang Fan immediately called Zhao Yanfang. Old Zhao was very honest and was busy nursing the child. If nothing major happened, we would talk about it tomorrow.
In the administration building, Wang Hong stood at the door waiting for the meeting with Zhang Fan's four students.
After a while, Ms. Zeng arrived first and was watched by others.
Early in the morning, she changed into a set of clothes just for this time. Under Mao Ni's coat was a black lace skirt, and her small boat shoes were lifted up from her neck, revealing the insteps of her feet in black stockings.
Everyone was here when Zhao Yanfang arrived.
"The current heart valves have their own advantages and disadvantages. I have an idea, can we invent a product that combines all the current clinical advantages with fewer disadvantages?"
As soon as he said this, Lao Zhao began to frown.
"The biggest drawback of all clinical valves currently is that they produce relatively large turbulent stress (which can cause fatal or semi-fatal damage to red blood cells and platelets) and a larger pressure gradient and counterflow volume than normal heart valves. If only Regarding anticoagulation or increasing the use time, if there is not much pressure on cost, I think we can still pay attention to it."
It sounds like Lao Zhao supports Zhang Fan, but if he thinks about it carefully, he is against it. What people say is "level" means that if you can't change the biggest drawback, then don't do it. It's a waste of money. If you have this money, you might as well give it to me!
Ms. Zeng was just like a lady attending afternoon tea. She sat there quietly with a smile on her face, without any unnecessary expression on her face.
She knew that it was best for her to be transparent at this time. If she said something inappropriate, Zhang Fan wouldn't be able to punish her with a hammer.
In human terms, turbulence means that there are whirlpools in the blood in the blood vessels. There are red blood cells in the blood, which carry oxygen. This thing is just like the face of a big-faced cat, it is disc-shaped, and it is also very delicate.
When turbulence occurs, these things rub and collide with each other, and the large face plate will break. Once broken, it will lose its function of transporting oxygen.
Many diseases can cause turbulence. For example, the heart beats disobediently and turns into a thump. At this time, countless turbulences will appear inside the heart, causing the blood to be unable to leave the heart. The function of a defibrillator is to: A big slap in the face woke up the heart and made it start to beat.
In the past, Zhang Fan had never thought about doing any equipment research and development. Firstly, he had no time, and secondly, he had no technology.
Things are different now. In order to avoid having the parent company interfere too much with their business, or to avoid letting others gossip, Ms. Zeng and others jointly established a new company. It was registered in China, and the hospital also took shares. company, this is equivalent to your own company.
And Zhang Fan needs such a new company now. They come up with ideas, they come up with technology, and finally join forces to come up with products. Otherwise, if you cooperate with these old capitalist companies, you will die without knowing it.
Are there any such companies in China? Yes, but it can be seen from the valve market that China is still not good at this aspect. For example, biomembranes are commonly used in valves in Europe and the United States, while mechanical membranes are commonly used in China. From this point of view, Zhang Fan can only borrow chickens to lay eggs.
"Haha, I think so too. If you don't have enough money, don't think about it. Ms. Zeng is an expert in this area."
Zhang Fan said to Lao Zhao with a smile, and then looked at Ms. Zeng. Ms. Zeng had an embarrassed smile on her face, saying she couldn't say no or yes. Really, she now feels that Zhang Fan is becoming more and more difficult to serve.
Old Zhao pouted, and Zhang Fan turned to Wang Hong and said, "Prepare a confidentiality agreement."
Wang Hong is now an all-rounder, from uploading and issuing to classifying matters, and now she even understands some legal matters.
"What on earth do you want to do to stir up trouble?" Lao Wang asked curiously, but Zhang Fan had not yet spoken.
Ms. Zeng spoke first: “Currently, clinically, the mechanical valve products of Medtronic and St. Jude mainly occupy the market. They once occupied more than 80% of the global artificial valve market, but now Abbott and Edwards Life Sciences Biofilm have surpassed Medtronic. The biggest advantage of biofilms is that they don’t need to take long-term anticoagulant drugs, but bioattenuation is their flaw.”
Zhang Fan nodded. Zhang Fan didn't know who had the larger share in the market.
But what Zhang Fan understood was the pros and cons of these two instruments.
The agreement was signed and it was done in a short time. Wang Hong went out with the hospital's legal affairs.
Zhang Fan started, "I now have an idea to use pure pyrolytic carbon combined with biology to manufacture the next generation of heart valves."
biological valve
What does the biodegradation of the membrane mean? To put it simply, if you hold your finger in your mouth for a little longer, your finger will turn white and the skin will fall off. This is actually what it means.
The heart valve needs to be tightly sealed. If there is a slight gap, it is just like a middle-aged man peeing. It is no longer a straight line and starts to branch like flower wine. It is the same reason that if you are not careful, you will pee on your hand. .
As soon as Zhang Fan said this, Lao Zhao's face wrinkled like a rag, "I'm not very familiar with this area."
Zhang Fan felt happy in his heart, you finally understand something you don't understand, but he didn't show it on his face.
"Today is a ventilation meeting. What I mean is that you first form a team. From materials to mechanics and biology, you need some people, and they must be cutting-edge talents.
After the team is formed, I will come up with the paper. "
Ms. Zeng said with a puzzled look: "Pure pyrolytic carbon was popular for a while, but then everyone moved away from the biological field, so this area was shelved."
"Yes, my idea is not just pure pyrolytic carbon, but the coupling of pyrolytic carbon and biological valves!"
Zhang Fan is reluctant to say more because all the valve devices in the system are pyrolytic carbon and biologically coupled valves. So Zhang Fan is not afraid of taking the wrong path.
