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Anti-embolism protection device and medical device

A protective device and medical device technology, applied in the field of medical devices, can solve problems such as easy deflection, inability to fully expand, inability to completely cover branch blood vessels, etc., to achieve the effect of avoiding torsion

Active Publication Date: 2021-03-23
SHANGHAI MICROPORT SHIELD MEDTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional anti-embolic protection device is prone to deflection during delivery to the aortic arch, and it is easy to fail to fully deploy due to inaccurate positioning when it is released at the aortic arch. As a result, after the anti-embolic protection device is released at the aortic arch, it cannot completely cover the aortic arch. Branching vessels, allowing emboli to escape into branching vessels

Method used

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  • Anti-embolism protection device and medical device
  • Anti-embolism protection device and medical device
  • Anti-embolism protection device and medical device

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Embodiment Construction

[0039] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0040] refer to figure 1 , figure 1 A schematic structural view of the anti-embolism protection device in an embodiment of the present invention is shown in the aortic arch. The upper wall of the aortic arch 40 is connected with three larger branches, which are the left subclavian arter...

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Abstract

The invention relates to an anti-embolism protection device and a medical instrument. The anti-embolism protection device includes a support frame and a filter element, and the support frame includes a main body, and a first support part and a second support part connected with the distal end of the main body. The first support part is located below the second support part, and in an unfolded state, the first support part is bent downward of the main body part. The filter element covers the main body part and the second supporting part. The above-mentioned anti-embolism protection system and medical device have good coverage and high stability.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to an anti-embolism protection device and a medical device. Background technique [0002] During some procedures involving the heart and aorta, such as cardiac surgery, cardiopulmonary bypass, catheter-based interventional cardiac surgery, and aortic surgery, surgical instruments cause blood to form platelet aggregates (such as emboli debris, grease droplets, bacterial clots and / or other foreign bodies, tumor cells, or other small pieces of tissue) or atheroma debris and debris that break off from the artery wall and travel through the bloodstream into the bloodstream of the brain Circulation and other important systemic arterial systems become embolized material. Embolic substances entering the blood circulation of the brain will block arterioles, leading to local cerebral vascular embolism. Currently, cerebral vascular embolism has become an important complication of hear...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/01
CPCA61F2/01A61F2/013A61F2002/016
Inventor 倪尊张孙剑峰张子衡王石萍金巧蓉罗七一
Owner SHANGHAI MICROPORT SHIELD MEDTECH CO LTD
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