Zhou Cheng took the initiative and immediately implemented entirely new remedial measures.

His first step was to avoid the bend in the tube itself.

The ultra-thin, super-slippery guidewire is inserted through the ipsilateral radial artery sheath.

It precisely passes through the vascular lumen on the outside of the catheter, crosses the Z-shaped bend area, and reaches the true lumen of the blood vessel at the distal end of the catheter.

Of course, the entire process involved precise positioning using X-ray vision!

The guidewire travels along the correct path, avoiding all areas of vascular spasm and weakness.

The second step is to insert a miniature blood vessel loop along the guidewire.

Precisely released outside the distal opening of the catheter, forming a closed-loop fixation loop that securely locks the distal tip of the catheter.

"Use the loop to secure, lock with low pressure, and do not pull."

Zhou Cheng gave a soft reminder, but his hands didn't stop moving at all.

Lin Feng kept a close eye on the screen, helping him stabilize the equipment and ensure that the ring did not shift or slip.

The third step, and the most crucial one!

By using the fixed fulcrum of the distal loop, the distal position of the catheter is completely locked, preventing catheter displacement and vascular traction damage.

He then held the end of the catheter and, with a very small angle and a very even force, slowly reversed the torque to reset it.

The small balloon, combined with low-pressure inflation and support during the bend, gradually opens up the stuck Z-shaped bend.

The traditional operation failed because everyone was "pulling the tube," forcibly trying to break free from the stuck state.

Zhou Cheng's approach is to "fix the remote end and reshape the form".

First, untangle the bend in the structure, then remove the catheter as a whole to avoid vascular damage at the source.

on the screen.

The originally tightly locked double-layered Z-shaped angles gradually relax, flatten, and even return to their original position under precise torque and balloon support.

Every adjustment is precise to the millimeter.

Zhou Cheng's movements were gentle and even, without any violent manipulation.

Even when the situation on the screen improved, he remained calm and composed, avoiding any risk fluctuations.

Zou Liqian stood to the side, watching the whole thing with bated breath. His eyes gradually changed from initial doubt to shock, and finally to complete admiration.

As a seasoned interventional physician with twenty years of experience in the field, this is the first time he has seen this entirely new catheter rescue technique.

Although I knew how capable Zhou Cheng was, I had previously thought that he was within a reasonable range of imagination.

However, his current intervention has far exceeded Zou Liqian's expectations.

……

The catheterization lab was completely silent.

Everyone's eyes were glued to the screen, watching the intricate maneuvers that led to this dramatic comeback from the brink of defeat.

In eight minutes, the Z-shaped structural bend was completely straightened, and the catheter morphology was completely restored to normal.

The vasospasm gradually subsided, with no signs of intimal tearing or bleeding.

"The shape has been successfully restored; we are ready to remove the entire unit."

At Zhou Cheng's command, everyone's spirits were lifted.

Victory is just ahead!

Zhou Cheng kept the distal loop in place, maintained the straight shape of the catheter, and smoothly withdrew the catheter as a whole.

The resistance is uniform throughout the entire process, without any jamming.

Finally, the deformed catheter was safely removed from the blood vessel.

……

The moment the catheter was completely removed from his body and came into view, Lin Feng let out a long breath.

His back was completely soaked with cold sweat, and his heart, which had been pounding with anxiety, finally settled down.

The nurse immediately took the removed catheter.

Everyone could clearly see two sharp Z-shaped creases on the catheter.

The vessel wall has already been squeezed and deformed; further forceful pulling will inevitably cause serious vascular damage.

"Re-examine the imaging immediately!"

On the monitor, the patient's blood pressure and heart rate steadily rose, and vital signs gradually returned to stability.

The entire rescue operation, from Zhou Cheng's arrival on the operating table to the complete removal of the catheter and the final angiography confirming safety, took exactly fifteen minutes.

In fifteen minutes, they turned the tide and pulled a patient who was about to undergo open-chest surgery back from the brink of death!

……

After the crisis was completely resolved, Zhou Cheng did not pause for a moment and immediately continued the unfinished emergency surgery.

A normal guiding catheter was reinserted, and precise angiography was performed to quickly locate the occluded lesion of the left anterior descending artery.

From opening the blood vessel and balloon dilation to the final implantation of the stent, the entire procedure was performed smoothly and steadily.

The subsequent surgeries went smoothly, of course.

The blood vessels were fully opened, myocardial blood flow returned to normal, the patient's vital signs stabilized completely, and he was out of danger.

The operation is over.

It was 8:15 p.m. when I left the catheterization lab.

The night outside the window grew deeper, and the evening breeze blew through the corridor windows, finally dispelling the tension and stuffiness that filled the room.

Zhou Cheng took off his heavy lead apron and let out a long sigh of relief.

Zou Liqian looked at Zhou Cheng, his tone full of emotion: "Today was truly a close call. I tried everything but to no avail, and I almost had to resort to open-chest surgery. I never expected you to solve it completely in just fifteen minutes. This ring-toss assisted repositioning method is entirely original and fills a gap in our technology."

Zhou Cheng wiped the sweat from his forehead and smiled, "It's just that we avoided the pitfalls of conventional operations. The problem with this kind of structural bend isn't the pulling force, but the shape getting stuck. A different approach can solve it."

Lin Feng stood aside, unable to calm his emotions for a long time.

He truly and deeply felt the gap.

He appears to lead a team independently, capable of handling routine emergencies and complex surgeries.

He seemed capable of handling things on his own, but when faced with such a rare and critical crisis during surgery, he was still helpless.

Even with twenty years of experience and deep expertise, Director Zou was powerless to reverse the situation.

Zhou Cheng, however, remained calm and always had a fresh approach to solving problems, no matter the dire situation.

His techniques never seem to be simply copied from templates!

Lin Feng used to think that after following Zhou Cheng for two years, he had already learned enough skills to stand on his own.

At this moment, he finally understood that he had only learned the basics from Zhou Cheng.

He still has a long way to go in terms of real clinical expertise!

"Today I made a poor judgment and acted hastily, almost delaying the patient's treatment." Lin Feng took the initiative to sincerely admit his mistake. "In the future, when I encounter such special complications, I will definitely not operate blindly again."

Zhou Cheng turned to look at Lin Feng, smiled and shook his head, and said softly, "It's normal to panic when you encounter such a rare fatality while leading a class independently for the first time. Don't be afraid of making mistakes, and don't be afraid of encountering difficulties. Every difficulty is an opportunity to grow the fastest."

He paused, then continued, "Go back and thoroughly review the entire process of remedying this Z-shaped bend, write it into a case review report, and include it in the department's teaching cases. From now on, everyone in the group must master this remedial approach to avoid similar risks."

"I've got it!" Lin Feng nodded solemnly.

The corridor was quiet at night, with soft lighting.

Watching Zhou Cheng's departing figure, Lin Feng's mind became clearer.

His ability to win championships on the global stage, gain recognition from top experts in Europe and America, and be promoted to deputy director of the department is all thanks to his overwhelming clinical skills.

The thrilling experience of that night was etched into Lin Feng's heart.

Even years later, whenever he recalls this scene, he can't help but sigh that true top doctors are never those who stand at the pinnacle of honor, but those who are always in dire straits, supporting the last glimmer of hope for their patients.

Decades later, when someone asked Lin Feng about the many surgeries he and Academician Zhou Cheng performed together, he asked which one was the most thrilling.

He didn't choose to win a championship abroad, nor did he choose something with extremely high difficulty; instead, he chose the "Z-shaped bend" in this competition!

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