How a Vertebral Artery Model Helps Surgeons Reduce Surgical Risks

A replica of the vertebral artery model aids surgeons in lowering surgical risks by transforming a deep, narrow vessel into something they can see, hold and rehearse on before they reach the operating room. The model displays the artery’s course, connection to the basilar artery, and location of branches or aneurysms. Teams can practice access, device handling and communication in a controlled environment. This develops up spatial awareness and a common understanding of the case. The model does not replace CT angiography, MR angiography or clinical judgment. It provides surgeons, educators and trainees with a tangible reference that makes patient imaging easier to understand and talk about. 

Why Vertebral Artery Anatomy Matters in Surgical Safety

A Small Vessel With High Stakes

There are two types of blood arteries in the neck . They supply blood to the skull, cerebellum, top part of the spinal cord and rear of the brain. Various medical sources suggest they provide roughly 20% of the blood to the brain. The other 80% is transported by the carotid vessels. That patch may be little, but the area it feeds regulates how we see, move, talk and stand. A research in the Journal of Neurology, Neurosurgery & Psychiatry found that a posterior circulation stroke causes roughly 20% of ischemic strokes. If you operate near this blood vessel , even a tiny mistake can have dire consequences for the brain and spinal cord . That’s why doctors need to have a clear picture in their head before they start.

The Path From Subclavian Artery to Basilar Artery

The artery is made up of four parts, according to anatomists. The subclavian artery is often where it starts. V1 is in front of the spine. When it comes to the cervical spine, the V2 nerve goes through the transverse foramina. It comes in at C6 most of the time, but some anatomy books say it comes in at C7 7.5% of the time. V3 curves around the back edge of the atlas. The place where V4 goes is the foramen magnum. The basilar artery is made up of the two vertebral arteries that meet here at the pons. The largest branch brings blood to the brain. It is called the anterior inferior cerebellar artery. If surgeons know this order, they can figure out where the blood vessel will be in relation to the bone and nerve.

Why Variation Changes the Plan

Each patient's body is different. About 3–5% of people don't have the subclavian artery; instead, the left vertebral artery comes straight from the heart. They might also be different sizes on each side, come in at a weird angle, or go in a different direction. With the help of a vertebral artery model, surgeons can tell when a patient's scan doesn't go according to plan. A quick look at pictures turns into a careful check when you put those two things next to each other. The final plan is still based on CT and MR angiographies that are customized to each patient and the interpretation of experts.

How a Vertebral Artery Model Helps Identify Surgical Risk

Seeing Depth, Trajectory, and Danger Zones

It's easier to see depth when you use flat diagrams. A three-dimensional vertebral artery model lets people turn the vessel and see it from above, from the side, or from the front. They can also figure out how the branches and curves connect to each other. The SJK009D has the vertebral arteries, the basilar artery, and the posterior brain vessels up to the P1 section, among other things. By following the path of an instrument, surgeons can find places where a blood vessel gets narrow or an aneurysm is. Because seeing something over and over again helps you remember it, the team can find danger zones faster when they look at a real scan of a patient.

Recognizing Variation and Disease Patterns

Getting sick changes how a vessel looks. There is a problem with the basilar artery that makes it hard to operate in neurosurgery. It is the cause of about 20% of posterior circulation strokes. It is possible for trainees to study by hand the position of the sac and nearby branches on a model of a real aneurysm lesion. Users who have their own builds can add more than one aneurysm or put them on the vertebral arteries. Then, when these shapes are put with real imaging cases, students can make the link between what they feel in their hands and what they see on the screen.

How 3D Models Compare With 2D Charts and Imaging

On charts, it's easy to label things and quickly find them, but students need to be able to imagine that a flat picture has three dimensions. In real life, that step is skipped. Imaging tells you more about a person. One study used CTA data, but a systematic review found that color duplex ultrasound was 70.2% sensitive and contrast-enhanced MRA was 93.9% sensitive at finding major vertebral artery narrowing. Every format is important. To find out what's true for the person on the table, a CT, MRI, or angiography scan is used to name structures and show space.

Applying a Vertebral Artery Model to Surgical Planning and Training

Preoperative Discussion Before Reviewing Case Imaging

An outline of a vertebral artery model can be placed on the table to begin a meeting of surgeons making plans. After going over basic anatomy, they can open the patient's CT angiography next to it. This order helps the team agree on landmarks, access routes, and any problems that might come up before they get into the details. For procedures on the neck, the model shows why it's important that the artery is close to the transverse foramina. This picture shows how an aneurysm is linked to the basilar artery and its branches in neurovascular cases. This visual aid can be used by people who work in imaging, anesthesia, and nursing.

Practicing Aneurysm Tamponade Skills With SJK009D

The SJK009D copies the arteries in the spine, the basilar artery, and the back of the brain arteries up to P1. There is a real aneurysm lesion in the basilar artery. A lot of people use it to practice tamponade treatments for aneurysms. Because the model is made of Shore 40A silicone, trainees can use it to handle devices on a soft vessel wall. They can do each step over and over again until they get it right. It is possible to put all of the students in the same setting at the same time. This helps with standard practice and regular skill checks.

Supporting Education, Research, and Device Testing

It's not just medical schools, hospitals, and people who make medical products that use neurovascular models for different tasks. The trainees learn about the structure of the nervous system and arteries and the skills they need to do endovascular and microsurgical work. It's safe and well-run for research groups to try out new tools and methods. In hospitals, there are training units where hard treatments can be practiced on fake patients before they are used on real ones. This method is supported by published work: Researchers led by Ploch wrote in 2016's World Neurosurgery about how 3D-printed brain models can be used to teach neurosurgeons and help them plan surgeries before they happen.

Trandomed SJK009D Vertebral Artery Model: Features and Customization

Product Overview

Trandomed sells this item as the vertebral artery model, which is also known as the Vertebral Basilar. It was made with Shore 40A silicone and has the item number SJK009D. It shows the vertebral artery, the basilar artery, and the posterior cerebral artery from the P1 section up to the vertebral artery. There is also a blockage in the basilar artery. Here at Ningbo Trando 3D Medical Technology Co., Ltd., our R&D team has been working on medical 3D printing for more than 20 years. This is what we do: we 3D build medical models and simulations. We also have high-tech vascular simulators, endoscope training simulators, and cardiovascular hemodynamics simulation devices.

Custom Options for Teaching, Research, and Testing

We don't have to pay extra for the design to be changed. You can change how many and how big the aneurysms are in the basilar artery. We can also add aneurysms to the vertebral artery. So a research lab or device company can send us its own anatomy and get a model that fits it. Our in-house team can work with CAD, STL, STP, and STEP files. For more hands-on training, a center might ask for a bigger aneurysm, or for a tougher workout, they might ask for a second lesion. The lead time is 7–10 days, and we ship by FedEx, DHL, EMS, UPS, or TNT. T/T is used for payment.

Why Buyers Choose Trandomed

Here are the core advantages of working with us on this model.

• High precision and accuracy: We use the most up-to-date medical 3D printing technology to make exact copies of the shape of the aneurysm, where the branches will land, and the blood vessel paths. That detail helps make sure that results stay the same from one training session to the next and gives students, researchers, and device teams a good way to practice, teach, and test.

• Customization without design fees: Also, you can give CAD, STL, STP, or STEP files or change the number and size of aneurysms. You can also ask for vertebral artery aneurysms. That way, a small research order or pilot project can start without having to pay extra for an engineering step. Our team looks over every request.

• Fast delivery and global shipping: We ship all over the world with FedEx, DHL, EMS, UPS, and TNT, and the lead time is usually between 7 and 10 days. Prices are competitive, and shipping is quick. There is also technical support from our team before and after the sale. This way, buyers in the U.S. can plan course dates, lab times, and device demonstrations with more certainty.

Choosing and Using a Vertebral Artery Model in a Risk-Reduction Workflow

Matching the Model to Your Users

Which vertebral artery model is best is up to the person who uses it. When anatomy is taught for the first time in medical school, students often need clear lessons. To be useful, surgical training centers need to use lesions and blood vessels that are the same size as the procedures they teach. This is also something that hospitals and simulation labs think about. They clean, store, and use things more than once. The people who make devices may need to know the size of a lesion or a set of measurements that they can get from their own data. Before you place your order, look at the different sizes, materials, paperwork, customized options, wait time, shipping method, and customer service after the sale. Don't just choose a supplier based on price or search ranking; choose one based on verified capability and service.

Measuring Whether the Model Works

Judge a model not by how it looks, but by how well it works. Some steps that can help are making it easier to identify body parts on tests before and after training, giving more confidence to students, and making it easier for radiologists, surgeons, and nurses to talk to each other. With structured observation and feedback at the end of each lesson, you can see what you still need to learn. Check the product's anatomical accuracy, branch detail, structure stability, ability to be cleaned, color stability, packaging, documentation, and options for a replacement. A model that works well and is well put together will be used for a long time.

Building a Workflow and Avoiding Common Mistakes

First, decide what you want to do: teach, simulate, talk to patients, talk about surgery before it happens, or show off a product. Look at the normal structure of the model and compare it to the CT angiography or MRI of the patient. Then, tell the group how to get in, what to look for, and what to do if something goes wrong. After that, ask for comments. Most of the time, people make mistakes when they use the model instead of pictures, believe that it fits all patients, choose color or price over accuracy, and don't think about the total costs of ownership, such as storage, shipping, and replacement parts.

Where Anatomy Training Is Heading

Digital imaging, 3D visualization, augmented reality, virtual reality, and 3D printing that is customized for each patient are all likely to be used during training along with real models. The software shows the blood vessel path for a certain patient, while the physical model gives feedback and a stable point of reference. Also, hospitals and companies that make gadgets may need specific sizes, labels, or body parts for a disease. When you get orders from other countries, it's more important to have proof of quality control and a steady production capacity. Institutions use a mixed method to make sure that all of their students get the same kind of education.

Conclusion

A vertebral artery model shows surgeons and trainees what a small but important blood vessel looks like. With all of its sections, it shows the way from the subclavian artery to the basilar artery. It also shows how the plan can be changed. With CT angiography, MR angiography, and clinical judgment, it helps with understanding space, supports discussion before surgery, and lets you practice things like tamponade for aneurysms over and over again. You can see that each style is used for a different thing. Structures are named in charts, space is shown by models, and patient details are shown by imaging. Customers should pick a model that meets their needs and then look at how well it was built, how well it comes with instructions, and how much it costs to own in total. Such a type is SJK009D, a Shore 40A silicone one that has a basilar artery aneurysm.

FAQ 

Can a vertebral artery model replace patient imaging?

No. A vertebral artery model shows basic anatomy to help teach and get ready for talks. Do not use it to make up your mind, but to get ready. CT angiography, MR angiography, and clinical assessment still guide each patient's care.

What does the SJK009D include?

It displays the vertebral artery, the basilar artery, and the posterior cerebral artery up to P1. We can see that the basilar artery aneurysm is real. Shore 40A silicone was used to make it.

Can I customize the model?

Yes. There is no charge to add vertebral artery lesions or change their size or number. You can also work from CAD, STL, STP, or STEP files.

How fast can it ship?

Lead time is 7–10 days. You can pay us with T/T, and we ship with FedEx, DHL, EMS, UPS, or TNT. We can let you know when your order is ready.

Request a Vertebral Artery Model from Trandomed

For more than 20 years, Trandomed has been making medical 3D printed vertebral artery models. The SJK009D ships in 7–10 days and can be changed for no extra charge. FedEx, DHL, EMS, UPS, or TNT can send it. Please email jackson.chen@trandomed.com with the size, number, or STL file of your aneurysm. Go to trando-medical.com to find out more. We'll get back to you with a quote and help with the technical side.

References

Journal of Neurology, Neurosurgery & Psychiatry, 2007 – Imaging of vertebral artery stenosis: a systematic review

Stroke, 2000 – Posterior circulation ischemia: then, now, and tomorrow (Thomas Willis Lecture)

Neurosurgery, 2006 – Anatomical variations of the V2 segment of the vertebral artery

World Neurosurgery, 2016 – Using 3D printing to create personalized brain models for neurosurgical training and preoperative planning

Gray's Anatomy: The Anatomical Basis of Clinical Practice, 2020

Netter's Atlas of Human Anatomy, 2018