Device for intracranial bypass of aorta and left internal carotid artery

Abstract

The invention provides a device for intracranial bypass of aorta and left internal carotid artery. The invention has the advantages that the temporary blood supply channel established by the externalbypass tube can simply carry out the temporary blood supply of the left internal carotid artery and the intracranial blood vessel when the aortic arch is covered by the covered stent, and the originalblood flow can be restored after the fenestrated branch of the covered stent is reconstructed. The invention has the advantages that the temporary blood supply channel established by the external bypass tube can be used for covering the aortic arch by the covered stent. The method of extracorporeal bypass is simple, less invasive, no need to occlude the carotid artery, no need to interrupt intracranial blood flow, little plaque loss, no impact on the surgical procedures and the incidence of stroke patients lower.

Description

technical field [0001] The invention relates to the cross field of medicine and engineering, in particular to a device for temporary intracranial bypass of aorta and left internal carotid artery. Background technique [0002] Aortic aneurysm and aortic dissection are life-threatening diseases. At present, surgery is still an effective treatment method for aortic dissection and aneurysm, but its technical difficulty is high, and it has high requirements on the surgeon and operating room, and its popularization and application are limited. However, this technique requires general anesthesia for bypass grafting. Compared with simple endovascular treatment, the risk is higher, the operation time and postoperative recovery time are longer, and there are relatively more complications such as infection and bleeding. [0003] In recent years, the application and development of endovascular aortic repair (TEVAR) has greatly changed the treatment of this disease, and its minimally in...

AI Technical Summary

Problems solved by technology

Due to the complex anatomy of the aortic arch and the high risk of stroke in some patients, the management of arch lesions is currently a great challenge for vascular surgeons

The anatomical shape of the aortic arch is complex, and there are different degrees of distortion in the coronal, sagittal and axial positions. This distortion is still changing with age, which not only increases the difficulty of accurately measuring the cross-sectional diameter of the aortic arch, but also increases the difficulty of stenting during endovascular treatment. The difficulty of precise release also leads to the need for a longer anchoring zone for effective anchoring of the stent

The branched vessels on the arch provide blood supply to the upper limbs, especially the head and neck, which limits the random upward movement of the anchoring area, and also brings greater risks to the technical operation when dealing with arch lesions, and the variation of its branches is more severe. its complexity

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