Applications of Internal Carotid Artery Models in Medical Training and Surgical Simulation

The internal carotid artery model allows medical teams to physically analyze the channel providing the anterior circulation of the brain in three dimensions. It assists the students to correlate anatomy with CT and MR angiography in training. In surgical simulation it allows clinicians to rehearse catheter and guidewire manipulation, plan for aneurysm therapy and practice thrombectomy steps before an actual case. This article describes how medical schools, hospitals, device companies, research labs, simulation centers, and public health initiatives utilize these models, how to select one, and what questions to ask a supplier.

Introduction: Why Internal Carotid Artery Models Matter in Modern Medical Education

Anatomy That Is Hard to Picture on a Page

The common carotid artery bifurcates into two branches (inside and outside the body) at the level of C3 or C4 vertebrae. This is where the internal carotid artery originates. It goes up through the neck, past the base of the head, around the cavernous sinus, before it reaches to the brain. In two dimensional models these turns are flattened. It is three dimensional so that trainees can rotate the internal carotid artery model and trace the loops in it with their fingers. This way they notice how one curve flows into another. This is a spatial memory talent that residents in brain and spine surgery need to be able to read the shape of blood arteries on images.

Segments, Branches, and Pathology a Good Model Should Show

The Bouthillier classification from 1996 is commonly used by doctors to refer to the artery. This structure is comprised of seven pieces. C1 is the neck, C2 the petrous, C3 the lacerum, C4 the cavernous, C5 the clinoid, C6 the ophthalmic, and C7 the communicating. Have students match each part with its landmarks and adjacent structures, e.g. optic nerve and cavernous sinus. This is a good manner of teaching. Blood flow also includes the posterior communicating and the ocular arteries. They join with the anterior and middle cerebral arteries, making the blood flow more meaningful clinically. Pathology of this type might be characterized by aneurisms, stenosis, tortuosity or occlusion. This allows pupils to see how sickness can alter the regular flow of events.

Where the Model Fits in Student Learning

I think the concept works best when it is utilized to link three modalities of learning: reading, scanning and doing things with your hands. Students read the segment names and then view a CTA or MRA slice and compare it to the actual vessel. Then students work with the model in groups. This order takes us from knowing to understanding to using. A radiologist, a neurosurgeon or a nurse talking about the same problem can identify the same bend. This offers the instructors something to talk about in bargaining. The same type of internal carotid artery model can be utilized to teach both first-year anatomy and resident process.

Applications of Internal Carotid Artery Models in Medical Training

Medical Schools, Nursing Colleges, and Clinical Skills Centers

Used in anatomy labs and presentations to help with small group teaching, practical exams, and resident review. Internal Carotid Artery Model. Learners can detect parts, trace the flow of blood to the brain, and make the connection between the location of a blood vessel and symptoms of stroke. “Schools that teach clinical skills should use long-lasting silicone so that they can repeat the same steps over and over again.” The model can be briefly tested. For example, you could ask a pupil to identify a section, point to a branch, or describe a location where a clot might get stuck. It is straightforward to set explicit rules for grading these jobs.

Hospitals and Clinical Training Departments

The hospital training departments include vessel models. Neurosurgeons, neurologists, interventional radiologists, nurses, and technologists come together for a meeting. You can look at a case on a screen, and then walk through the identical body area on a genuine duplicate. This way everyone agrees on their task before a treatment, how to go in, what instruments to use. You can also have new hires go through brief catheter handling drills they can repeat at regular intervals to assess their performance. Since the model is not changing you can look at scores from one session and then another.

Simulation Centers and Government Training Programs

Professional training facilities need standard models, models that can be utilized again. Thus each apprentice may view the same body. This allows you to test your skills equitably and compare your records with each other effortlessly. Vessel models can be used by public health authorities and emergency response training units to help workers understand how to care for patients who have had a stroke, and why it’s crucial to get treatment straight soon. In studies such as the 2015 MR CLEAN study and a review of five studies published in The Lancet in 2016, arterial thrombectomy improved outcomes for some persons who suffered a large-vessel stroke. The results indicate that thrombectomy skills should be taught and that the teaching should include examples from real life.

Applications in Surgical Simulation and Procedural Training

Preoperative Planning and Aneurysm Rehearsal

Using patient- or disease-specific models, doctors and interventional teams evaluate the geometry of the aneurysm’s neck, the orientation of the parent vessel, and the adjacent nerves and bones. “With an imaging data model, the team can work on the structure, try different angles of the device, and talk about risks without having to be in the operating room. Research can support this approach. An in vitro study was reported that modeled the human internal carotid artery in the form of a real one with a supraclinoid aneurysm . Flow was monitored before and after stenting. The writers reported the pace of the flow inside the aneurysm sac decreased 32%.

SJJ003D: Catheter, Guidewire, and MCA Thrombectomy Practice

SJJ003D Our internal carotid artery model is also named carotid artery. It’s made from medical grade silicone, Shore 40A. The internal carotid artery is particularly tortuous, and as the trainees thread catheters and guidewires through it, they can feel the turns. The computer may also simulate efforts done to remove a clot from the middle cerebral artery (MCA). It is basic, so the focus is on the key skills: getting to the blood arteries, pushing the tube in, and extracting the clot. Those lessons are learned at schools and people can test out endovascular tools from other companies. Doctors utilize it for planning and practice as well. The body is made of sturdy silicone that will last you forever.

Device Testing, Research, and Realistic Limits

Medical device firms and research institutes use it to test designs, demonstrate how they work, and build early prototypes. The engineer can repeat the test with a controlled vascular path, and a research team can alter the geometry to address a topic. I also want to be clear about where the boundaries are. A silicone model that doesn't move can't depict how tissues react or bleed or any of the other ways that each instance is unique. “Some of the best ways to do it are image review, virtual reality, working with cadavers or high-fidelity simulation.” The best programs also make sure that the resources behave in ways that correspond to the stages being taught.

Choosing, Comparing, and Selecting an Internal Carotid Artery Model

Match the Model Type to the Training Goal

First, learn what you want to study. huge models assist a lot of people see the minor things. standard models with labeling are good for anatomy education. Life-size models make it easy to compare photos, and to work out where things are in the body. The 3D printed model can be used to teach about diseases, unique features and the anatomy of a certain patient. A hard replica holds objects in place for demonstrations and identification, and trainees can maneuver equipment in a flexible, hollow vessel. Please make a note of the major skill, the user group and the quantity of trainers before calling suppliers. This might help you quickly restrict the list and avoid paying for things that no one will use.

Compare Materials and Performance, Not Just Appearance

There are occasions when two models look identical, but behave drastically differently. If you look at hard materials, you see little elements of the body and they stand up straight on a bench. Maybe the softer silicone is better for the shape of a vessel and the feeling of something bending, like the Shore 40A used in SJJ003D. People who wish to buy a model should also consider how well it holds up after being used a lot, how easy it is to clean, how the base is manufactured, how it arrives packaged and whether it can be fixed. Be sure to ask for measurements, sample photos and technical documentation to confirm that the product will work with your lesson plan. Do not judge it by the picture alone.

Selection Criteria for a Medical Institution

Before asking for bids you should explain the main objective of the job. A model of the internal carotid artery used to teach first year anatomy will have different components than a model used for endovascular training. Some of the most significant elements to look at are: anatomical correctness, segment and branch coverage, scale, material behavior, marking, lifetime, maintenance and compatibility with current modeling tools. Also, check at the supplier’s experience in production, quality control processes, technical documentation, ability to make adjustments, experience in exporting, and customer service after the sale. People should never buy on the basis of a unit quote. Total price should include samples, customisation, packing, shipping, replacement and delivery time.

Procurement, Implementation, and the Future of Internal Carotid Artery Models

Buying in Bulk: What to Ask and What Trandomed Offers

When ordering online or in bulk, ask for itemized prices, source references, manufacturing procedures, inspection steps, minimum order quantities, and lead times. Distributors and OEM buyers should request samples or approval before anything is produced to make sure that each batch is consistent. Here at Ningbo Trando 3D Medical Technology Co., Ltd (Trandomed) we build. For more than 20 years our R&D team has been focused on medical 3D printing. The design is free and we can modify it. Using CAD, STL, STP or STEP files we can modify the number, size and placement of aneurysms. We also can adjust the twisted radius of MCA and ACA and the tortuosity of internal carotid artery. Lead time 7-10 days,we ship via FedEx, DHL, EMS, UPS or TNT. T/T for payment.

Putting a Model Into a Structured Training Program

Models of the internal carotid artery are most helpful when they are part of a planned course. They are not useful when they are simply being stored. 1.Prepare the kids using a guide or computer. And then go through the complete brain circulation and assist them find out what section is what. It is easier to match the image to the body part if the actual vessel is linked with CT angiography, MR angiography or 3D software. You can assess how you think clinically by adding case studies on aneurysms, stenosis, dissection or collateral flow. See how well children can name objects, how confident they are in their abilities, how well they can work together and how the teacher responds. Have a defined plan for cleaning, storing, checking and replacing models so each team has a good one.

Future Development of Internal Carotid Artery Models

In the future, imaging may become a fusion of actual anatomy and patient-specific imaging, augmented reality, virtual reality and digital enhancements. Then the pupils had the ability to switch between cross sections, views of the outside of the body and blood tube tracks. More flexible materials and simulated flow could help position devices in the proper spots and teach people about hemodynamics faster. So much so that study groups are currently constructing models of elastic vessels to investigate flow. It’s crucial to make sure we still need more realities for training, the cash and care. The same model of internal carotid artery can be used to teach undergrads, train specialists and organize clinical trials as long as it uses standard language, has clear labels and is created in modules.

Conclusion

With an internal carotid artery model, individuals can touch, draw and look at photos of the vessel side by side. For example, the seven segments of the Bouthillier are utilized to teach the appropriate manner of doing anatomy. Conversely, material behavior and real-life bends are utilized to explain methods. Public programs, schools, hospitals, training centers, people who produce products, and specialists use the paradigm in numerous ways. It allows you to undertake exercises for recognition, for catheter practice and thrombectomy practice. Pick based on your training goal. When comparing you should consider size, material, durability, customization capability and total cost. Using static silicone models with photos, cadaver work or virtual tools perform best when they are linked with a defined plan for assessment and upkeep.

FAQ

What is an internal carotid artery model used for?

You can use it to read pictures, learn about segment and branch anatomy, and get practice with catheters, guidewires, and thrombectomy steps. A hospital may also use it to plan cases and hold team talks.

Can the SJJ003D model be customized?

Yes. We change the aneurysms' number, size, and location. We also change the curved shape of the internal carotid artery and the curved radius of the MCA and ACA. We can use CAD, STL, STP, or STEP files, and making them doesn't cost anything.

What are the lead time, payment, and shipping terms?

The lead time is 7–10 days, and you can pay by T/T. Your package can be sent by FedEx, DHL, EMS, UPS, or TNT.

Does a silicone model replace other training tools?

For imaging, cadaver work, virtual reality, or high-fidelity modeling, you should use it alongside other tools because it doesn't show full patient difference or bleeding.

Request Information About an Internal Carotid Artery Model from Trandomed

For more than 20 years, Trandomed has been studying and making 3D printers for medical use. They manufacture the internal carotid artery model and sell the SJJ003D in Shore 40A silicone that is safe for hospital use. They also offer free custom designs and a 7–10 day wait time. Feel free to email jackson.chen@trandomed.com with your training goals, numbers, and CAD, STL, STP, or STEP files. Someone from our team will get back to you with more details. Trando-medical.com has our arterial models and simulations that you can look at.

References

Neurosurgery, 1996. Bouthillier A, van Loveren HR, Keller JT. Segments of the internal carotid artery: a new classification.

New England Journal of Medicine, 2015. Berkhemer OA, et al. A Randomized Trial of Intraarterial Treatment for Acute Ischemic Stroke.

The Lancet, 2016. Goyal M, et al. Endovascular thrombectomy after large-vessel ischaemic stroke: a meta-analysis of individual patient data from five randomised trials.

Stroke, 2019. Powers WJ, et al. Guidelines for the Early Management of Patients With Acute Ischemic Stroke: 2019 Update.

World Neurosurgery, 2016. Ploch CC, et al. Using 3D Printing to Create Personalized Brain Models for Neurosurgical Training and Preoperative Planning.

BioMedical Engineering OnLine, 2016. Tack P, et al. 3D-printing techniques in a medical setting: a systematic literature review.