Thrombectomy stent and thrombectomy system

Abstract

The invention discloses a thrombectomy stent and a thrombectomy system. The thrombectomy stent comprises a stent body and a protective umbrella arranged at the far end of the stent body, a first opening end is formed at the far end of the stent body, an umbrella opening end right opposite to the first opening end is formed at the near end of the protective umbrella, a sealing end right opposite to the umbrella opening end is formed at the far end of the protective umbrella, the umbrella opening end is connected with the first opening end, so that a continuous channel is formed in the thrombectomy stent. According to the thrombectomy stent and the thrombectomy system, the problem of blood vessel re-embolism caused by thrombus falling from the thrombectomy stent is avoided, complications caused by thrombectomy treatment are prevented, and therefore the re-circulation rate of blood vessels is increased.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a thrombectomy bracket and a thrombectomy system. Background technique [0002] A thrombus is a small piece of blood that forms on the surface of a vessel in the cardiovascular system where the lining has been peeled off or repaired. Thrombosis spreads throughout the entire cardiovascular system, affecting tissues and organs throughout the body, not limited to myocardial infarction, deep vein thrombosis, or cerebrovascular thrombosis. Thrombosis can occur in blood vessels anywhere in the body. Intracranial thrombosis is a special clinical type of cerebrovascular disease. It is easy to cause cerebral embolism and has the characteristics of high morbidity, disability, mortality and recurrence. It is the cause of death and disability in middle-aged and elderly people. main diseases. [0003] Vascular recanalization is the key to the treatment of acute ischemic stroke. Cur...

AI Technical Summary

Problems solved by technology

Thrombectomy is a relatively thorough thrombectomy, but the damage to the vessel wall is too great, which can easily cause various concurrent inflammations

The operation of laser thrombectomy is difficult. If the laser energy is too low, it will be ineffective, and if the energy is too high, it will damage the blood vessels, and it is also easy to cause various complications.

The thrombectomy with the catcher is easy to operate and causes little damage to the vessel wall, but it often fails to catch the blood clot

Thrombectomy with thrombus-catching net is easy to operate, but it cannot be used in intracranial blood vessels due to its large volume

In summary, the existing mechanical thrombectomy methods cannot effectively capture the thrombus dislodged from the thrombectomy stent, which may easily lead to re-embolization of blood vessels and complications caused by thrombectomy.

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