Conveyor device

Abstract

The invention discloses a conveyor device. The conveyor device comprises an introducer, and a conveyor and an expanding tube which are in fit with the introducer, wherein the introducer comprises an introduction sheath tube, an introduction sheath tube connecting piece arranged at one end of the introduction sheath tube and a screwing nut arranged at one end of the introduction sheath tube connecting piece; one end of the expanding tube can run through the introduction sheath tube, the introduction sheath tube connecting piece and the screwing nut to be in fit with the introduction sheath tube; the conveyor comprises a conveying sheath tube, a conveying sheath tube connecting piece arranged at one end of the conveying sheath tube, a Y-shaped valve arranged at one end of the conveying sheath tube connecting piece and a push rod of which one end runs through the conveying sheath tube, the conveying sheath tube connecting piece and the Y-shaped valve; one end of the push rod is not protruded out of the conveying sheath tube; and the conveying sheath tube can run through the introduction sheath tube, the introduction sheath tube connecting piece and the screwing nut to be in fit with the introduction sheath tube. The device provided by the invention can rapidly arrange a left auricle sealing device into a left auricle, has a stable structure and high operability, shortens operation time and increases the success rate of operations.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a delivery device. Background technique [0002] Atrial fibrillation is one of the most common arrhythmias and occurs in almost all structural heart diseases. The incidence of atrial fibrillation in the general population is 0.4% to 2.0%, and the incidence rate increases by 1.4 times for every 10 years of age increase. Atrial fibrillation accounts for about 6% to 10% of people over 75 years old. Studies have shown that atrial fibrillation is an independent risk factor for stroke, more than 15% of strokes are caused by atrial fibrillation, and more than 90% of non-valvular atrial fibrillation emboli occur in the left atrial appendage (LAA). Therefore, more and more attention has been paid to the research on embolism complications of atrial fibrillation, and how to prevent the occurrence of stroke in atrial fibrillation has important clinical significance. [0003] Fo...

AI Technical Summary

Problems solved by technology

The delivery devices of these two devices pass through the inferior vena cava, puncture the interatrial septum, and reach the left atrial appendage. The size of the devices is long, and the operating handle is far from the place where the occlusion device is placed, so the operation time is long and the operability of the devices is poor. , cannot be precisely positioned and thus needs to be improved for the benefit of patients

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