Release assembly of implantation instrument, implantation instrument conveyor and implantation instrument conveying system

Abstract

The invention relates to a release assembly of an implantation instrument, an implantation instrument conveyor and an implantation instrument conveying system. The release assembly of the implantationinstrument comprises a sheath core tube and an anchoring device arranged on the sheath core tube in a sleeving mode, wherein the sheath core tube and the anchoring device can be relatively separatedalong the axial direction, the release assembly of the implantation instrument further comprises a rear release assembly, the rear release assembly comprises a control member and a locking member, thecontrol member is connected with the near end of the sheath core tube, the axial displacement of the control member drives the sheath core tube to slide axially, the sheath core tube slides axially to enable the sheath core tube and the anchoring device to be separated relatively in the axial direction, and the locking member is connected with the control member and used for limiting rotation andaxial displacement of the control member. The release assembly of the implantation instrument can prevent the implantation instrument from being released in advance.

Description

technical field [0001] The invention relates to the field of medical devices, in particular to a release assembly for an implant device, a delivery device for the implant device and a delivery system. Background technique [0002] In recent years, interventional treatment of cardiovascular diseases has become an important means. With the continuous development of interventional technology, the advantages of using luminal stents (such as stent grafts) in the treatment of aortic aneurysm and arterial dissection are becoming more and more prominent. The treatment process is to use the delivery device to send the luminal stent into the blood vessel. After the luminal stent is released and opened, it will stick to the wall of the aneurysm to establish a channel for normal blood circulation. [0003] At present, the delivery device generally uses a release component to release the lumen stent. However, the release component is likely to be unlocked before the release step is per...

AI Technical Summary

Problems solved by technology

However, the release component is prone to unlocking before the release step is operated during the operation, which leads to the early release of the lumen stent, so there is a risk of surgical failure

In addition, during product transportation and other links, it is also easy for the release component to be unlocked in advance, resulting in the early release of the lumen stent, resulting in product function failure.

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