Chapter 920 Valvular Regurgitation

kebed stayed in the Fifth Hospital of Magic City for a week.

One week later.

The final evaluation operation of the tricuspid valve repair system was scheduled.

This operation was silent and very low-key.

Only a few people in the Department of Cardiology of the Fifth Hospital of Magic City knew about the arrangement of this operation.

Lu Chen, kebed, Gu Xinyue and Jin Miao all came to the interventional catheter room of the Department of Cardiology.

The tricuspid valve repair system, which has been improved many times, has been shown to everyone.

This valve repair device is not large in size, but its internal structure is extremely precise.

As long as the Fifth Hospital of Magic City passes the test of this evaluation operation, it means the birth of the first "tricuspid valve repair system" in China!

...

In the catheter room.

Except Lu Chen, everyone's expression was solemn.

For him, failure is just another time.

There are countless ideas in his mind. If he fails this time, there will be next time.

But for others, if they miss this time, they don't know when they will wait for the next time.

The most important thing is whether they can hold Lu Chen's thigh, that's another story.

"Let's start the operation!"

With Lu Chen's order, Jin Miao and Gu Xinyue took the catheter of the "tricuspid valve repair system" and began to enter the patient's body from the puncture blood vessel.

The tricuspid valve repair device mainly includes a main body and multiple connecting elements.

The main body is a basic ring-shaped D-shape with an eccentric opening.

During the systole of the heart, the mitral valve facing the left atrium covers basically the entire part of its posterior leaflet, thereby preventing and reducing tricuspid valve regurgitation, which is also the key point of the entire tricuspid valve repair device!

Jin Miao successfully delivered the tricuspid valve repair system to the heart valve.

In order to avoid the attachment of the tricuspid valve upper device to the valve ring, causing the chordae to bear the load.

Lu Chen attached the tricuspid valve upper device to the functional valve leaflet, and by attaching it to the valve leaflet, he joined many untorn chordae to support the flail segment.

In addition, there is another difficulty in the operation!

The human heart is beating all the time.

With traditional devices, during the beating of the heart, the tricuspid valve device and the posterior leaflet may collide repeatedly, causing cumulative damage to the leaflet tissue.

After Lu Chen improved the traditional method, he kept the tricuspid valve device attached to the posterior leaflet.

Let them move together, and there will be no collision.

"Lu, your idea is so cool!" Kebed looked at the device in front of him in amazement.

Lu Chen smiled, and while directing the operation, he explained: "The tricuspid valve device is made of flexible material, which slowly hardens after the device is implanted, which is beneficial for the tricuspid valve device to adopt the anatomical shape of the leaflet tissue, keep the functional chordae at their natural length, thereby maintaining a uniform load distribution between them, and absorbing the contraction thrust of the left ventricular pressure."

"Awesome! Really awesome!" Kebed gave a thumbs up.

The whole operation has not encountered any difficulties so far.

Puncture, catheter guidewire entry, and repair system delivery are all very smooth.

But Lu Chen's mind has been tense, and he dare not relax at all.

Because the real obstacle is still behind, the biggest problem of valve repair is the regurgitation of the valve!

How to judge the regurgitation?

After the operation is completed, it is necessary to listen to the cardiac ultrasound instrument to measure the size of the regurgitation, as well as the valve area and the periorbital flow rate.

Once the blood regurgitation is too large, the whole operation will be completely declared a failure.

"Lu, I really want to know how you reduce the problem of valve regurgitation after the repair?" Kebed asked in confusion.

This problem is also troubling the repair system within Mayo.

Lu Chen picked up the icon of the tricuspid valve repair system and explained: "Look at the part where this extension is adjacent to the rear part. When the device is implanted, I let it overlap with the rear part of the anterior leaflet. Through this special overlapping area, the regurgitation of the tricuspid valve can be effectively reduced."

"Ah? It can be like this!"

Kebed was stunned and began to think about the operation method of the entire valve device.

The valve repair system he saw today is the first in the world!

...

However, this is just a simulated operation after all.

Twenty minutes later.

With the assistance of Gu Xinyue, Jin Miao completed the entire tricuspid valve repair operation.

At this time, he dared not breathe, his eyes fixed on the valve image on the screen.

The operation was successfully completed, but this does not mean that the operation was successful.

"Bring the ultrasound machine!"

The nurse quickly brought the cardiac ultrasound machine.

Lu Chen took the probe and began to perform ultrasound examination.

"The valve position is good!"

"The valve area is good!"

"The valve flow rate is good!"

The last and most important indicator is the degree of valve regurgitation.

Everyone stared at Lu Chen closely, wanting to know the final result as soon as possible.

At this time, Lu Chen also concentrated, holding the ultrasound probe in his hand, checking the size of the valve regurgitation on the ultrasound screen.

Finally, he saw the final image clearly.

Gently putting down the ultrasound machine, Lu Chen slowly raised his head and smiled at everyone: "Valve regurgitation is very small!"

As soon as the voice fell.

In the entire catheter room, everyone breathed a sigh of relief and turned to show joy.

Jin Miao and Gu Xinyue were happy, and their hands were shaking slightly with excitement.

The entire simulated surgical operation was completed by the two of them.

"We... succeeded!" Gu Xinyue said excitedly.

Jin Miao nodded suddenly and agreed: "Yes, it worked, I did it!"

"I... became an assistant!" Gu Xinyue smiled.

Lu Chen stood aside and poured a ladle of cold water on the two of them at the right time.

"This is a simulated surgery. I will be happy when it is actually successfully performed on clinical patients."

"Hehe." Jin Miao suppressed some of his smile when he heard this, but he still looked overjoyed.

At this time, Professor Kebed was surrounding the tricuspid valve repair system and observing continuously.

"Lu, can you lend this to Mayo?" Kebed suddenly raised his head and said, "We will pay for it!"

Lu Chen smiled and shook his head, "I'm afraid not. This system is a collaboration between our Fifth Hospital in Shanghai and a company in Shanghai. The purpose is to develop China's first tricuspid valve repair system. It must not be sold."

"What a pity. UUReading www.uukanshu.net" Kebed shook his head.

Lu Chen smiled and said: "Professor Kebed, your current patching system at Mayo is not bad. With slight modifications, it will definitely be better."

Kebed spread his hands, "I didn't see your surgery today, I thought the same thing, but now, I don't think so anymore."

He turned his attention to this brand-new "tricuspid valve repair" device.

Unfortunately, he could only see the operation process, but not the internal structure of the device.

He also couldn't modify Mayo's device.

Here in the Fifth Courtyard of the Magic City, everything is booming.

At the Kyoto First Hospital, there was also a major breakthrough.

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