Disposable embolism protective umbrella

Abstract

The invention relates to the technical field of medical equipment, in particular to a disposable embolism protective umbrella. The disposable embolism protective umbrella comprises a transportation guide wire, a filter screen net bag and a conveying and recycling sheath tube, wherein the transportation guide wire comprises a far-end guide wire and a near-end guide wire, the far-end guide wire and the near-end guide wire are located on the same straight line, and the end, away from the near-end guide wire, of the far-end guide wire is sleeved with a spring which can stretch and retract in the direction of the far-end guide wire. The transportation guide wire in the embolism protective umbrella is formed by the far-end guide wire and the near-end guide wire in a split mode, the far-end guide wire and the near-end guide wire are kept connected through a fixing sleeve, and the structural strength of hard connection between the far-end guide wire and the near-end guide wire can be reduced; and a hypotube is additionally arranged in the middle of the fixing sleeve, the flexibility of the fixing sleeve is further improved through the hypotube, the whole guide wire structure can be slightly bent at the fixing sleeve, and meanwhile medical staff can push the transportation guide wire in the conveying sheath tube more conveniently.

Description

technical field [0001] The invention relates to the technical field of medical equipment, in particular to a disposable embolic protection umbrella. Background technique [0002] Carotid angioplasty and stent implantation is an interventional treatment method that uses balloon catheters, stents and other devices to eliminate or reduce carotid artery stenosis and thrombus, and improve the blood perfusion of organs in the neck blood supply area. Due to its minimally invasive advantages, it has developed rapidly, especially in China, where the popularity of carotid artery stenting (CAS) is relatively wide, even surpassing that of carotid endarterectomy (CEA). [0003] Disposable embolic protection umbrella is mainly used in vascular interventional surgery, its function is to prevent emboli from escaping, and it is used for distal protection of intracranial vascular reconstruction surgery. [0004] Patent CN201595959U provides an embolism protector for cerebrovascular protectio...

AI Technical Summary

Problems solved by technology

[0009] However, the current embolic umbrella delivery structure is relatively hard, and the overall flexibility is insufficient. When using it, it is extremely inconvenient for medical staff to make the embolic umbrella advance inside the twisted blood vessel; in view of the problems exposed during the use of the current disposable embolic umbrella, there are It is necessary to improve and optimize the disposable embolic umbrella

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