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Devices and methods for treating blocked blood vessels

A technology for capturing device and thrombus, which is applied in the fields of filters in blood vessels, medical science, surgery, etc. It can solve the problems of regional distal embolism, complications in treatment, and damage to the middle layer of arterial blood vessels.

Active Publication Date: 2020-06-05
WALLABY MEDICAL INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Despite superior clinical outcomes in patients with acute ischemic stroke, stent retriever treatment is fraught with complications
Recent study finds that stent retrievers can cause damage to the arterial media
Another common disadvantage is that stent withdrawal necessarily generates thrombus fragments that can cause distal embolization and occlusion of previously untouched areas

Method used

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  • Devices and methods for treating blocked blood vessels
  • Devices and methods for treating blocked blood vessels
  • Devices and methods for treating blocked blood vessels

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Embodiment Construction

[0050] In one aspect, the present invention is described more fully hereinafter with reference to the accompanying drawings, which illustrate certain embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; these embodiments are provided merely to illustrate various aspects of the invention. The same number refers to the same element throughout.

[0051] In one aspect, the invention provides a catheter-based thrombectomy system. In some embodiments, the systems of the present invention are used to remove blood clots from human blood vessels. In some embodiments, the blood vessel is a venous blood vessel. In some embodiments, the system is used to treat deep vein thrombosis (DVT) in veins, as well as pulmonary embolism (PE) in arteries, ST-segment elevation myocardial infarction (STEMI), and ischemic stroke. In some embodiments, the system can also rapidly clear ...

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Abstract

The present teachings provide devices and methods of engaging, capturing, and retrieving emboli. Specifically, one aspect of the present teachings provide a device comprising a generally cylindrical stent body, and a distal net. The stent body is configured to engage and capture emboli, while the distal net is configured to restrict blood flow, and capture embolic debris. Certain embodiments of the present teachings also provides devices and methods of engaging clots while better assist aspiration. Another aspect of the present teachings provide methods of use thereof to percutaneously removeblood clots with minimum risks.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to and benefit of U.S. Provisional Patent Application No. 62 / 573,097, filed October 16, 2017, entitled "Apparatus and Method for Treating Vascular Occlusion," the entire contents of which are incorporated herein by reference. technical field [0003] The invention relates to a minimally invasive catheter and a method for the minimally invasive catheter to deliver a thrombus capture device used in the vascular system, and is particularly suitable for restoring the perfusion of the cerebrovascular system. Background technique [0004] Mechanical thrombectomy devices salvage the ischemic but not yet fully infarcted brain by restoring perfusion to the initially blocked artery. Each type of mechanical thrombectomy device achieves recanalization through slightly different biomechanical mechanisms. [0005] There are three types of catheter thrombectomy devices on the market. The suction cat...

Claims

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Application Information

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IPC IPC(8): A61B17/22A61B17/00A61B17/08A61F2/01A61F2/82
CPCA61F2210/0076A61F2/82A61F2/90A61F2230/001A61F2250/0023A61F2250/0039A61F2250/0063A61B17/221A61B2017/2212A61B2017/2215A61B2017/2217A61F2/011A61F2/0108A61F2/012A61F2/0105
Inventor 杰罗姆·克洛伊厄尔·白钱承冯骋骋
Owner WALLABY MEDICAL INC
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