Head and neck artery acute occlusion thrombus extraction device

Abstract

The invention provides a head and neck artery acute occlusion thrombus extraction device, and belongs to the technical field of medical instrument structures. The device comprises a saccule guide catheter, a micro catheter, a micro guide wire and a thrombus taking bag; the saccule guide catheter is an inflating ball which is capable of being inflated and deflated and installed on the outer wall of the guide catheter, the micro catheter is arranged in the guide catheter and serves as a conveying channel of the thrombus taking bag, an opening of the thrombus taking bag is fixed by two micro metal wires, after being unfolded, the opening of the bag is opened into a round shape and tightly attached to the vessel wall, the thrombus taking bag is cylindrical, the caliber is gradually reduced, friction on the vessel wall is reduced, vascular intimal injury is reduced, holes of 100-150 um are densely distributed in the bag, and blood flow is smooth. When the thrombus extraction device is used, thrombi are smashed with the micro guide wire to be collected after the bag is unfolded, or the bag can be directly pulled down to collect the thrombi. The head and neck artery acute occlusion thrombus extraction device is reasonable in structural design, easy to operate and capable of completely capturing the thrombi and preventing the thrombi from escaping.

Description

technical field [0001] The invention relates to a device for dredging head and neck blood vessels and clearing blood vessel embolism, which belongs to medical equipment. Background technique [0002] With the development of an aging society, cerebrovascular disease has become a major disease that threatens human health in today's society, and the morbidity, disability rate, and mortality rate of cerebrovascular etiology rank first. It has seriously affected the physical and mental health, life and quality of life of the elderly. Among cerebrovascular diseases, ischemic cerebrovascular disease (ICVD) is a common and frequently-occurring disease in the Department of Neurology, accounting for about 80% of strokes. It has the characteristics of high recurrence rate and long protracted course of disease. The quality of life and survival is low, and a large amount of medical resources are consumed, which brings a heavy economic burden to the society. [0003] The fatality rate o...

AI Technical Summary

Problems solved by technology

With the improvement of medical technology, intravenous thrombolysis gradually develops into arterial thrombolysis and mechanical thrombolysis in the hyperacute period of cerebrovascular disease. Traditional arterial and venous thrombolysis has a strict time window, and the recanalization rate is relatively low. Low, in recent years, as a safe and effective new treatment, Solitaie stent thrombectomy has achieved good clinical results. Occlusion of multiple branches downstream of the occlusion

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