godfather of surgery

Chapter 412 Test
"Susan, get ready, turn on the remote surgery system, and Dr. Yang is going to operate on Steven."

Collins, who was more familiar with Houston's liaison with the ISS than the chief medical officer who traveled from Washington, became the de facto coordinator of the operation.

The network communication composed of three satellites is the only connection between the International Space Station and Houston, and it is also the only guarantee for Steven's life.

Susan and David Hawley were already on the verge of despair. They heard the order and acted immediately. No matter whether it can be done or not, this is the only hope.

They have already installed and fixed the remote surgery system. The robotic arm in sterile packaging is protected by a shield, and the plate that replaces the operating bed is also firmly fixed. Steven is firmly fixed on the plate by the restraint device.

In a microgravity environment, any drifting of the human body in weightlessness is fatal if it is not well fixed.

This is the first space surgery in human history, and it still uses a remote surgery system. The International Space Station prepares so many equipment and medicines, and there are not many times that real doctors need to deal with it. The last medical incident was an astronaut's sudden Thrombosis occurred in the left internal jugular vein, causing high tension among the doctors on the ground.

After the doctors evaluated the condition, they first used the anticoagulant enoxaparin in the space station medicine box for subcutaneous injection. After 43 days, the rocket sent a batch of oral anticoagulant apixaban to the International Space Station. The astronaut was under the drug treatment. , returned successfully.

Steven's condition was completely different this time. It could not be treated by medicine, and interventional surgery was necessary.

"Do you need to adjust the posture of the space station?" David Hawley became Susan's only helper.

Richard is responsible for the engineering issues of the space station: "Maintain the original posture, check the air pressure of the space station, check the power system, pay attention to the impact of micrometeorites on the space station, and if it is ready, the communication test will begin."

The space network relies on a system of tracking and data-relay satellites positioned in high orbits that use radio signals to communicate with ground antennas.After receiving the signals, the ground antenna sends these signals to various centers of NASA through fixed lines. After that, NASA's computer system converts these signals into readable data. When the data is sent back from the earth to the International Space Station, The process is reversed and the delay is less than 1 second.

If the delay does not exceed 1 second, the signal is in a stable state. Sometimes due to interference for various reasons, the signal weakens, and the communication will be delayed or interrupted.

Even if the signal can be stabilized, a delay of 1 second is fatal to this high-risk operation.

Not long ago, the network communication of the International Space Station underwent an expansion, and it already has a bandwidth of [-] megabytes. Strictly speaking, this bandwidth cannot meet the needs of remote surgery.

The four flexible robotic arms are jointly researched by NASA, MIT, and Intuition. They should be the best surgical system in the world. It not only has good accuracy, but also has good flexibility and stability, but the flaws are still there. There is no good tactile feedback.

The original intention of the development of the surgical robot was to be used by NASA for the medical treatment of astronauts on the space station, and it was later converted to civilian use.

So NASA's surgical robot is the originator of the entire surgical robot industry.

There is a room in the ground control center in Houston dedicated to operating the surgical robot on the space station. Jim Bartha sent a lot of security guards to take care of the safety protection. The door, aisle, elevator, and stairs are all strictly protected to prevent the operation process from being disturbed.

In addition to the security of the space city, the Houston Police Department and the FBI have sent police officers to protect the building, and Jim Basa has the strongest authority at this time.

The operating room became a safe room. Only Huang Jiacai, Cheng Liquan, Johannesson, and Collins were inside, and the others were all outside. The engineers who dealt with emergency failures could only stand by outside the isolation zone of the room.

Journalists are restricted from entering this building. Any reporter who infiltrates may affect the operation because of recklessness, and all efforts will be in vain.

Even with the overwhelming scolding, Jim Basa ruthlessly blocked reporters outside the Houston Space City, and the entire Space City was in a closed state.

Once the emergency rescue reached the national level, Jim Basa was directly authorized by the president, and all kinds of strong support came one after another.

Aerospace giants such as Raytheon Technology, Lockheed Martin, Boeing, General Dynamics, and Northrop Grumman are ready to provide support at any time, and SpaceX's Falcon [-] is ready to go up again at any time for intensive launches to transport possible medical supplies Even crews are sent to the International Space Station.

Blue Origin and Virgin Galactic, both private aerospace companies, also joined the rescue plan to accept deployment.

Symantec is responsible for securing the communication network between the space station and the ground to prevent troublesome hackers from intruding and disrupting remote surgery operations.

The meteorological department upgrades the level of weather monitoring and provides weather forecasts at any time. Weather is the most unstable factor that interferes with communications.

On the surface, there were no surprises, but all the support forces were in place, for no other reason than for the success of this operation.

Every request of Yang Ping will be turned into an order, and finally become an effective resource to support the operation.

From the perspective of medical technology, Steven's remote surgery is almost impossible. No one can operate telemedicine equipment to this extent: the blood vessels that freely enter and exit the brainstem.

But this Chinese can do it, he is the only hope, all resources will revolve around him, to serve the purpose.

"Communication connection!"

"start testing!"

The [-]M bandwidth is all used for surgery, but in this way, the communication is still in an unstable state due to signal problems.

Yang Ping began to manipulate the four robotic arms. It would be a huge challenge to overcome the interference of random and irregular delays and interruptions.

Network testing, screen delays, and the accuracy of surgery cannot be achieved.

Can you improve the speed and stability of the Internet?If you can, the success rate will be higher.

Yang Ping stopped testing, he hoped that the network speed would be faster and the network more stable.

Jim Basa and Richard came into the "safe house", Richard said: "There are two options to help us, and both can be called at any time, Wideband Global Communications Satellite Communications System (WGS), this is a military communication system, with the White House Come forward, it’s not a problem to borrow it temporarily for us to use, and another method is to use all the satellites of SpaceX’s Starlink project to support this operation, but there is no guarantee that there will be no delay, and there are too many unstable factors in space communication.”

Indeed, the communication of the International Space Station supported by three satellites is difficult to support such a high-risk operation.

If one of these two communication systems can be used to obtain strong and stable communication, the success rate of the operation will be higher. At this time, even a little improvement is meaningful.

"The Broadband Global Communications Satellite Communications System (WGS), the U.S. global military needs its support. I don't know how much communication capacity can be used for us. It will be more convenient to call SpaceX's Starlink satellite. It can stop all current services and temporarily use it for us. rescue mission."

Yang Ping thought for a while: "Which one to use is up to you to decide. I need a more powerful network communication, and as soon as possible!"

Even if there is no time delay, using a robot to perform this kind of surgery is like climbing the sky, with various risks hidden, and the more chances of winning, the more hope.

It was just a phone call, and spaceX immediately supported the rescue mission. The headquarters of the Starlink project began to adjust the satellite connections, all of which were connected to NASA's International Space Station and Houston to form a network dedicated to surgery.

The weather will affect the stability of the network. Meteorological monitoring agencies monitor the cloud images over Houston 24 hours a day. Once there is a concentration of cloud streams, if there are signs of heavy rain, cloud dispersal methods will be used if necessary.

The communication problem has been solved. Although it has not fully met the requirements, it is already the best condition.

In recent years, the International Space Station has been aging, and there are many small problems. In addition to communication problems, other problems, such as power failures and micrometeorite impacts, are all potential risks. The cabin that Japan was responsible for the construction had cracks, which almost cost several astronauts. Life.

Small artery embolism in the brainstem, communication delay or interruption caused by any reason, patient shaking, and loss of control of the robotic arm will all make Yang Ping lose control of the operation.

When the catheter, guide wire and coil enter the target blood vessel, once these problems occur, it is almost like a sudden power failure during the operation, and it is pitch black.

Just like a race car driver, suddenly his eyes are pitch black and he can't see anything. No matter how long the period of time is, and no matter how good the driver is, the result is a car crash and death.

Test communication again!Much improved than before.

"Power Systems?"

Richard asked in another room, which was the command center for the rescue mission.

"Checking!"

David Hawley was a little nervous, testing the power system with an instrument in his trembling hands.

Yang Ping sat in front of the console, came into view, and began to familiarize himself with the operation of the robotic arm in the new network environment.

"Someone hacked our communication system!"

Symantec's security team saw dozens of attacks, all of which were neutralized by their defenses, and reported them to Jim Bartha immediately.

"Damn it, why are people attacking us at this time, we are saving people!" Jim Basa's head was big.

Richard was also very nervous: "Aren't we a dedicated communication connection? Isolated from the external network?"

Symantec's network security expert shook his head and said: "As long as the device is physically capable of networking, there is no such thing as isolation, but you can rest assured that these attacks are pediatrics, and we have resolved them."

With so many dangerous factors, now there is another hacker attack, Jim Buss is very worried. In the past, American high school students hacked into the website of the Ministry of Defense.

"Maybe it's the restless middle school students? These restless guys." Jim Buss cursed.

Cyber ​​security experts agree with Jim Basa: "Looking at the attack method, it is relatively immature, and it should be a joke of middle school students."

In the sky 400 kilometers above the ground, the International Space Station flies over people at a speed of more than 28000 kilometers per hour. Who would have thought that there was an astronaut on it preparing for surgery.

　The work was delayed than planned. I came back very late today. I worked overtime to revise and issue one chapter. The four chapters that I promised to reissue today will be added in the next few days.I asked for leave for 3 days, and my heart was anxious, but I was very moved when I saw the tolerance and understanding in the comments today! I can only say that you are the best, thank you, really!I must write well and write wonderful stories!By the way, this support for primary hospital surgery is voluntary labor, and it is not easy for the brothers in primary hospitals.

　　
　
(End of this chapter)