To establish a teaching simulation system of carotid artery cannulation in order to train the interventional physicians mastering the related operation technology and to evaluate its value in clinical teaching and training practice.

Forty participants were divided into two groups: the novice group and experienced group, and the cannulation of cerebral vascular catheterization was performed using H1 angiography catheter. The participants practiced according to the standard, and the operation time at the beginning, and 30-60 min after training was recorded and analyzed statistically. In addition, the participants filled out a questionnaire for evaluating the clinical condition of the operating system, real-time imaging and testing technology.

Forty participants (20 novice, 20 experienced) participated fully in the study. Participants in the novice group significantly improve their total completion time (38.8%, P<0.01) from preliminary test [ (90.32±9.85) s] to terminal test [ (55.32±4.99) s], compared with the experienced group (13.9%, 36.18±4.16, 31.14±3.78) . The total time was reduced in a marked degree (30%-40%, P<0.01) . The novice group had the most significant difference before and after training when they did the two steps of "catheter placed in the innominate artery" and "catheter placed in the C2 level" . The overall procedure time was obviously decreased. (A time reduced by 40.1%, C time reduced by 39.6%, with a total reduction of 38.8%) . Questionnaire survey results showed that both of novice and experienced groups considered that the model of cerebral vessels was quite similar to human vessels, and the simulation system was real and helpful to improve the skills of the trainees in the clinical operation and real-time imaging process, and they thought the model training would be helpful for clinical practice (the score was 3.5) .

Carotid artery cannulation teaching model for the training of interventional physicians could improve the level of beginners and have a positive promoting effect.