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Thrombectomy screen frame and thrombectomy device

A technology of grid frame and grid unit, which is applied in the field of thrombus retrieval devices, can solve the problems of insufficient grasping force of thrombus and easy falling off of thrombus, and achieve the effect of firm grasping, good effect and strong binding force

Pending Publication Date: 2019-05-24
赛诺神畅医疗科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the thrombus retrieval grid of the existing thrombus retriever has insufficient grasping force for the thrombus, resulting in the thrombus falling off easily during thrombus retrieval

Method used

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  • Thrombectomy screen frame and thrombectomy device
  • Thrombectomy screen frame and thrombectomy device
  • Thrombectomy screen frame and thrombectomy device

Examples

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Embodiment Construction

[0031] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0032] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.

[0033] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the description.

[0034] In all examples shown and discussed herein, any specific values ​​should be construed as exemplary only, and not as limitations. Therefore, other instances of the exemplary embodiment may have dif...

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Abstract

The invention discloses a thrombectomy screen frame and a thrombectomy device. The thrombectomy screen frame is of a cylinder structure and comprises a plurality of grid units which are connected together, the thrombectomy screen frame comprises a vertical gap, a first edge and a second edge, the first edge and the second edge are used for forming the vertical gap and separated each other, the first edge forms a plurality of projecting structures, the second edge forms a plurality of recessed structures corresponding the projecting structures, the projecting structures can be inserted into therecessed structures when the thrombectomy screen frame contracts, and the overall cylindrical structure vertically forms a diameter changing structure or vertically forms a wavy line structure.

Description

technical field [0001] The present invention relates to the technical field of interventional treatment equipment, and more specifically, to a thrombectomy grid and a thrombectomy device using the thrombectomy grid. Background technique [0002] The incidence of stroke in our country is very high. Stroke has the characteristics of high mortality rate, high disability rate and high recurrence rate, which seriously threatens the life and health of our people and brings heavy economic burden to families and society. Acute ischemic stroke (AIS) is the most common type of stroke. The key to the treatment of AIS is to open the blocked blood vessels as soon as possible and save the ischemic penumbra. [0003] At present, the clinical treatment of ischemic stroke mainly adopts mechanical thrombectomy. Mechanical thrombectomy is to deliver the thrombus retriever to the lesion site, use the thrombus retriever to grab the thrombus and take it out of the body. [0004] However, the ...

Claims

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Application Information

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IPC IPC(8): A61B17/221
Inventor 傅堃张楚楚
Owner 赛诺神畅医疗科技有限公司
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