Locking device for human body medical appliance conveying system

Abstract

The invention discloses a locking device which is used for a medical device transportation system in the human body, which is characterized in that the invention includes a locking head, a locking cap and a connection part which connects the locking head and the locking cap, wherein, one end of the locking head is sheathed in the connection part, and the other end thereof is sheathed in the locking cap. The invention can easily carry out the positioning control of a transportation duct of the transportation system by the matching of the locking cap and the locking head, the structure of the invention has simple design and easy operation, which can avoid the displacement of the transportation duct of the transportation system during using process, thus the medical device can be effectively released and positioned during installation process.

Description

Technical field [0001] The present invention relates to the field of interventional medical devices, in particular to a locking device for locking a delivery catheter of a medical device delivery system in the human body. For example, the locking device can be used to lock and fix the ejector tube in the stent graft delivery system or The inner tube can position and control the ejector tube during the process of releasing the stent graft by the stent graft delivery system to avoid the displacement of the ejector tube during the stent transportation. Background technique [0002] Aneurysm is a very dangerous clinical vascular disease. Once an aneurysm is found, it should be treated as soon as possible. At present, the minimally invasive interventional therapy technology using the principle of intracavitary isolation has been widely used. It uses a set of small diameter delivery system to deliver the compressed stent graft to the vascular lesion. After accurate positioning, it is r...

AI Technical Summary

Problems solved by technology

In the past, the ejector tube of the conveyor generally did not have a fixing device, and the ejector tube would be displaced under a certain action, such as during transportation, so that the bracket would also be separated from the outer tube, which would affect the operation and the product

[0005] In order to avoid the displacement of the ejector pipe in the existing support delivery system, a locking device for the ejector pipe is designed, but in general, these products have a complex structure, cumbersome operation, and unsatisfactory control effects

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