Foreign media reported that Stanford University provides doctors with a unique training method. Through VR, they can see the baby's internal structure of the heart, the opening and closing of the valve, the flow of blood cells and so on.
This VR project addresses an important challenge in the field of medical training, which is how to realize real-time visualization of the heart in a 3D environment. Through VR heads, they can enter the heart, explore congenital heart disease, and feel like they have entered the heart like a peanut.
"I can even see the path to blood, which I have never experienced before," said Dr. Christopher Knoll, a pediatric cardiology researcher at Stanford University, who first experienced the prototype system this month.
Dr. David Axelrod participated in the development of a virtual heart-teaching tool. When he asked Dr. Christopher Knoll if he was ready to return to the real world, he even insisted: "No, I like it!" he said with a laugh.
This VR system is part of an education project that uses 3D visualization techniques to improve medicine and illness. Case Western Reserve University uses Microsoft HoloLens to train students in anatomy and physiology, and a University of Michigan research program allows doctors to explore the inside of the brain to increase awareness of migraine treatment.
CT scans, echocardiography, and MRI are still very important tools for targeting and treatment, but some experts believe that VR visualization will soon become a very necessary supplement for doctors and surgeons, and for reducing the training process The dependence on autopsy is very helpful.
"This project from Stanford University and similar projects represent the future of medical training," said Dr. Luca A. Vricella. He is an pediatric cardiac transplant specialist at the Johns Hopkins University School of Medicine. He points out that forming a 3D image in the heart of a doctor is especially important for students to understand heart surgery. "This allows you to better understand the scene you will see in the operating room."
When you wear Stanford University's VR heads up, you will find yourself standing in a well-lit doctors' lounge next to a central podium. On your left, you will see a plan of the heart hanging on the wall, on your right, a colored plastic heart model, to pay tribute to the old school to train heart disease and blood flow.
Going straight ahead, there is a shelf displaying a number of 3D heart models labeled with congenital heart disease. By triggering the trigger on the handle, you can pick up a "living", still beating heart from the shelf and it will appear in front of you. The heart will be presented at its own angle, or it may be split into different parts while still performing synchronized movements, that is, showing both the inside and the outside of the heart. You can pick up part of it, turn around, and watch the beating heart component at any angle, just like watching a small creature.
One of the models showed a septal defect with a hole in the middle of both chambers. This congenital defect can cause some oxygen-enriched blood to be pumped back into the lungs rather than into other parts of the body. This is abnormal and can cause the heart to overload.
When you press another button, you are "sent" inside the heart and you see the flow of blood cells in the heart's chamber. When you use another button, you can correct the problem as if it were a surgery, so that the heart returns to normal.
Users don't feel dizzy or produce motion sickness because they are inside the heart. The structure of the heart moves around the user rather than on a playground or roller coaster.
So far, Stanford University's prototype system showed a septal defect, and in another prototype system, the goal was to simulate 25 to 30 of the most common heart problems. Dr. David Axelrod stated that his long-term goal is to increase his adult heart disease model and gradually add to the simulation of lung and brain diseases.
Even advanced imaging methods can make clinicians unable to fully understand the repair of the heart structure, David Axelrod said. He is a minor cardiologist at the Lucile Packard Children's Hospital in Stanford.
"If you don't understand the geometry, anatomy, and physiology of the heart, you may make mistakes in later surgery," he said.
The Stanford University system was developed in cooperation with San Francisco-based software company Lighthaus, which also owns shares in David Axelrod. Lighthaus was established by the Pediatric Cardiology Department of Stanford Children's Hospital and Oculus VR, a Facebook company.
In addition to training, this technology can also help patients understand how doctors repair their heart defects.
“I receive patients who have wounds on their chest every week. They are in their 20s. I will ask them, what kind of surgery have you received? But they do not understand,†Axelrod said. "It is our job to help patients understand their heart problems because we think that if you know where the problem lies, you will be more careful."
Within five years, the personalized diagnostic scan VR project will be able to be achieved, Axelrod said: "At that time I can say that this is your virtual heart."
Dr. Jamil Aboulhosn presided over the work of the University of California Center for Congenital Heart Disease. He cautioned that immersive 3D technology should be considered an assistant for traditional anatomy and physiology training that has been used for decades. Non-replacement.
"As things around us are increasingly converted into 3D and VR forms, I start to worry a bit. We are entering an era of gradual simplification. We need to just make something cooler. He said. "But for the medical school, it is not time to abandon the training of anatomy through hard autopsy."
"Yes, virtual reality is ready to debut. Yes, he is really exciting," Aboulhosn said. "So he will eliminate all the previous things? Of course not."
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