Figure 3.

Image 3a corresponds to three-dimensional reconstruction of a typical aneurysm at the bifurcation of the middle cerebral artery. Note the amplitude of the neck of the aneurysm and its preferential relationship with one of the two branches. In image 3b the created model is shown, ready for later implantation in the experimental animal. Image 3c shows a surgical view of the model just after implantation and image 3d corresponds to an angiographic image of the final implanted model. Note the model has all the angiographic characteristics of the desired aneurysm. The created aneurysm has a wide base of implantation with a preferential relationship to one of the branches. Image 3e shows an image of the practice in which partial embolization of the aneurysm is observed. Note the two clips placed distally to the first end-to-side anastomosis and proximally to the second end-to-side anastomosis to occlude the carotid artery.