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Thrombus taking device

A technique of thrombectomy and sheath tube, applied in the field of medical devices, can solve the problems of less related complications, unsatisfactory thrombectomy effect, and short time.

Pending Publication Date: 2021-04-09
HANGZHOU WEIQIANG MEDICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Some thrombectomy devices currently used provide a new and efficient treatment method for vascular recanalization for patients with venous thrombosis. Mechanical thrombectomy has a short operation time and fewer related complications, and is currently a research hotspot in the field of thrombosis treatment; however Existing thrombus removal devices are difficult to pulverize and remove stubborn, large and hard thrombi, and the thrombus removal effect is still unsatisfactory

Method used

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Embodiment Construction

[0066] Typical embodiments that embody the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention is capable of various changes in different embodiments without departing from the scope of the present invention, and that the description and illustrations therein are illustrative in nature and not limiting. this invention.

[0067] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the application and simplifying the description, and does not indicate or imply tha...

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Abstract

The invention relates to a thrombus taking device. The thrombus taking device comprises a thrombus taking support, a thrombus breaking support and a conveying assembly, wherein the thrombus taking support and the thrombus breaking support are of support structures capable of contracting and expanding; the far end of the conveying assembly is connected with the thrombus taking support and the thrombus breaking support and used for containing the thrombus taking support and the thrombus breaking support which are in a contracting state; and the conveying assembly can release the thrombus taking support and the thrombus breaking support to an expanding state and can drive the thrombus breaking support to move in the internal space of the thrombus taking support in the expanding state in the axial direction of the thrombus taking support. According to the thrombus taking device, the thrombus taking support is matched with the thrombus breaking support, when the thrombus taking support contains thrombus in blood vessels in the thrombus taking support, the conveying assembly controls the thrombus breaking support to stretch into the internal space of the thrombus taking support, and the thrombus breaking support can move in the axial direction relative to the thrombus taking support to cut the thrombus; and therefore, the thrombus in the thrombus taking support is continuously cut and broken; the intractable, large and hard thrombus can be easily broken, and the thrombus taking effect is improved.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a thrombus removal device. Background technique [0002] Venous thromboembolism (VTE) includes deep vein thrombosis (DVT) and pulmonary embolism (PE). [0003] Deep vein thrombosis (DVT) of the lower extremities is a high-incidence vascular surgical disease, which is mostly caused by abnormal coagulation of blood in the veins of the lower extremities, resulting in obstruction of blood return. Pulmonary embolism (PE) has become the third leading cause of cardiovascular death. Risk factors for pulmonary embolism include both environmental and personal factors. Personal factors include age, previous VTE history, cancer history, cardiopulmonary failure, congenital or acquired coagulation disorders, and hormone therapy. Acute PE can lead to systemic hypotension and even heart failure, which can lead to patient death. [0004] Therefore, early, rapid and effective thrombus r...

Claims

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Application Information

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IPC IPC(8): A61B17/221A61B17/3209
CPCA61B17/221A61B17/3209A61B2017/22001A61B2017/22038A61B2017/22072A61B2017/22084A61B2017/22094A61B2017/2212A61B2017/320056
Inventor 周翔李建民王永胜
Owner HANGZHOU WEIQIANG MEDICAL TECH CO LTD
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