In the auditorium, John's report had been going on for half an hour.

“…… Therefore, we believe that blood transfusion technology is very important for clinical practice. ”

On the podium, John said aloud: "Especially with the rapid development of surgery, there are many physicians who have begun to challenge opening the patient's abdominal cavity, and there are also very few surgeons who are trying to open the patient's chest and cranial cavity!" I believe that with the development of surgical technology, the demand for blood transfusion in surgery will increase...... Gentlemen, this brings me to the first issue - blood groups and clinical transfusion techniques. ”

As soon as John's words fell, the auditorium fell silent.

When Mr. Huntelaar began the first story, everyone expected that he would focus on the genetic theory of blood groups, which was the focus of attention a few months ago, and even caused two tragic incidents. And in recent months, there has been a lot of criticism of the theory of blood group inheritance, and it is only natural for Mr. Huntelaar to take the opportunity to express his views. But what everyone didn't expect was that after this young scientist said a few words lightly, he quickly shifted the topic to blood transfusion technology!

And quietly, he has done so much research and experiments!

Under the bewildered and complicated gazes of everyone, John's expression was calm, and he calmly asked, "Gentlemen, do you have any questions before I begin to explain the second question?" ”

"Huh!"

Before anyone else could react, the audience had already raised two arms.

At John's suggestion, a tall man in his thirties quickly stood up and asked loudly: "Mr. Huntelaar, I'm Hagrid of the University of Munich, and I'd like to ask you about it since you came up with the blood type and the blood transfusion match. How do you see the safety of blood transfusions? ”

"Hoo ......"

After listening to Hagrid's words, he breathed a sigh of relief, and a smile appeared on John's face.

Strictly speaking, John is really not afraid of the other party asking such a sharp question, because there is a solution to academic problems after all, and he is afraid that the other party will force the two tragedies a few months ago to implicate the medical problem in social and moral aspects. That's really not what he's good at.

So he just groaned, and then smiled: "Mr. Hagrid, we do think a lot about the safety of blood transfusion, and there are several points to sum up: first, prepare in advance, that is, estimate the possibility that the patient needs blood transfusion, and do a good job of blood matching experiments in advance; The second is to conduct a comprehensive examination of blood donors in advance, because we have found that some diseases can be transmitted through blood, while some diseases can be detected by microscopy and other means; The third is to solve the problem of blood coagulation during blood transfusion......"

"The problem is, I'm afraid these problems are very difficult to solve."

This time without waiting for John's signal. Another forty-year-old short and fat man interjected very impolitely, and said eagerly: "If nothing else, it is impossible to prepare in advance first, right?" We also tried to prepare in advance when we had a difficult birth, but the reality is that it's hard to do because you can't keep a few donors in the hospital all the time......"

"Sir, may I ask what ...... you are"

John asked with a frown at the impolite questioner.

"Oh, sorry. I'm Slat, professor of obstetrics and gynecology at the University of Leipzig? Wundt. ”

The short and fat man bowed slightly, and said with a little embarrassment, "Mr. Huntelaar." In short, we believe that it is impossible to prepare blood in advance. ”

"Why is it impossible?"

Smiling slightly, John asked rhetorically.

"This ......"

Hearing John's seemingly confident answer, the short and fat man's brows suddenly furrowed, and he asked in a deep voice, "Mr. Huntelaar, have you found a solution to it?" How do you make sure that the right donor is ready in the hospital at all times? And it takes a lot of time to examine them, so what if the patient's condition is critical? And ......"

It's like the Maxine machine gun that has just come to the attention of the world. A series of questions erupted from the fat man's mouth.

"Professor Wundt, in fact, we have already found a preliminary solution."

After the other party stopped, John nodded with a smile: "Actually, it's very simple to say, that is, to build a small blood bank in each big hospital - a blood bank dedicated to storing blood, storing blood of various blood types. Can be accessed at any time in case of emergency......"

"Boom ......"

Before John could finish speaking, the auditorium was completely lively.

"How is that possible?!"

"How to solve the problem of blood storage?"

“…… How do you make sure they don't solidify? No deterioration? ”

"Who will solve the funds for the construction of the blood bank? How much does it cost? ”

……

Many people's faces were filled with disdain, and a few people shouted loudly.

For the physicians present, Mr. Huntelaar's proposed solution was simply too unreliable. Anyone can imagine that once the blood leaves the human body, it will clot quickly, which is common sense for most people, not to mention that all of you here are professionals, who would not have imagined?

That alone was enough to bankrupt his idea.

The worry in Professor Bergman's eyes became even more evident when everyone around him said it was impossible, and Koch, Feershaw and others also frowned, quietly staring at John on the stage, wanting to see how he would deal with the doubts that occupied most of them.

"Sir, please be quiet!"

John on the stage didn't mean to panic a little, but waited for the doubts to subside a little and then said loudly: "I know that everyone is most concerned about the problem of blood coagulation after leaving the body, and I want to explain here that we have found a corresponding solution, and as the experimental process progresses, we believe that in a maximum of another year, Heinz General Hospital and Charlotte Hospital will further improve the blood transfusion technology to achieve relative safety ......"

The noisy auditorium gradually fell silent.

Everyone's eyes widened, and the short and fat man who had been standing opened his mouth, swallowed a mouthful of saliva with difficulty, and asked, "Mr. Huntelaar, what did you just say...... Have you found a way to prevent blood clotting? Is it safe? "Yes, sir."

Nodding, John replied indifferently, "We have found a way to prevent blood clotting, and it is relatively safe according to the preliminary judgment." But...... Gentlemen, we still need time to verify and conduct more experiments, so we can't publish it yet. But I believe in giving me a year...... A year at most, and we can publish it. And when the time comes, we'll have two small blood banks at Heinz General Hospital in New York and Charlotte Hospital in Berlin......"

At this time, there was not a single sound in the auditorium except John! (To be continued......)