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Thrombus cutting system

A thrombus and resecting device technology, which is applied in the field of devices for interventional treatment of total occlusion of vascular diseases, can solve the problems of hard devices, difficulty reaching the brain, and large size, so as to avoid damage to blood vessels, good pushing and torsion performance, and good flexibility Effect

Active Publication Date: 2015-07-01
湖南瑞康通科技发展有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Under the premise of ensuring the effect of thrombectomy, the existing mechanical thrombectomy devices basically have a disadvantage: the device is relatively hard, or the size of the device is large, and it is difficult to reach the narrow and tortuous vascular lesions such as the brain

Method used

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Embodiment Construction

[0042] The invention discloses a thrombectomy system. The thrombectomy device is very soft and can easily enter the cerebral blood vessel; Free delivery in the heart and brain blood vessels to avoid damage to blood vessels.

[0043] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0044] see Figure 1-Figure 4 , figure 1 A schematic structural view of a thrombectomy device provided by an embodiment of the present invention; figure 2 Schematic diagram of the structure of the balloon guide catheter provided by th...

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Abstract

The invention discloses a thrombus cutting system. The method is that a mechanical thrombus picking device is used for picking out thrombus and dredging vessel so as to achieve revascularization; when picking out thrombus, a ball bag guide catheter is positioned at the near end of the thrombus blocking position to temporarily block blood, in order to prevent small crushed thrombus caused by thrombus picking out is flushed by blood to the far end of vessel; meanwhile, part of thrombus with large size is pumped through the ball bag guide catheter, and then the rest thrombus is picked out through a thrombus cutter. According to the system, the thrombus cutter, the ball bag guide catheter and a micro conveying catheter are arranged; the thrombus cutter is used as a main assembly and provided with a cutting spring which is of a tapered spiral shape in a releasing state; compared with the prior art, the thrombus cutter is soft and the minimum passing size is 0.014'(0.36mm), so that the thrombus cutter can easily enter the blood vessel of brain; the near end protection technology is carried out during the operation; the thrombus pumping and mechanical picking out are combined, and therefore, the operation success rate is increased, and the complication is reduced.

Description

[0001] This application is required to be submitted to the China Patent Office on March 12, 2015, the application number is 201510108393.2, and the name of the invention is "A Thrombectomy System", and it was submitted to the China Patent Office on March 12, 2015, the application number is 201520141175.4, the invention The creation of the priority of the Chinese patent application titled "A Thrombectomy System", the entire content of which is incorporated in this application by reference. technical field [0002] The invention relates to the technical field of medical surgical instruments, in particular to an instrument for interventional treatment of total occlusion vascular disease. Background technique [0003] For embolic lesions, drug thrombolysis and mechanical thrombectomy are generally used clinically for treatment. Due to the strict time window limit and many complications of drug thrombolysis, most patients will eventually adopt mechanical thrombectomy. [0004] Un...

Claims

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Application Information

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IPC IPC(8): A61B17/22
CPCA61B17/00234A61B17/22A61B2017/22042A61B2017/22048A61B2017/22067A61B2017/22079
Inventor 姜卫剑成正辉匡华
Owner 湖南瑞康通科技发展有限公司
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