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Adjustable blood vessel blocker

A vascular blocking and adjustable technology, applied in the field of medical devices, can solve the problems of unable to adjust the clamping force, prolong the operation time, increase the risk of bleeding, etc., to prevent warm ischemic necrosis, reduce operation risk, and reduce operation time Effect

Pending Publication Date: 2018-02-16
SECOND MILITARY MEDICAL UNIV OF THE PEOPLES LIBERATION ARMY
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  • Claims
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AI Technical Summary

Problems solved by technology

[0003] However, due to the abundance of small blood vessels around the renal arteries, the free arteries need to be carefully manipulated, and the above manipulation steps unintentionally prolong the operation time and increase the risk of bleeding
[0004] Furthermore, the clamping force of the occluder currently used to clamp blood vessels cannot be adjusted. If the blood flow during the operation is large, one or more occluders need to be added, and the addition of an artery blocking clip requires free Longer renal arteries to provide more space, which can lead to increased surgical risk and less maneuverability

Method used

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Embodiment Construction

[0058] In order to enable those skilled in the art to better understand the technical solutions in the embodiments of the present application, the following will clearly and completely describe the technical solutions in the embodiments of the present application in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the embodiments of the present application shall fall within the protection scope of the embodiments of the present application.

[0059] Figure 1A to Figure 1F It is a schematic view showing various examples of the first embodiment of the adjustable blood vessel occluder of the present application. The adjustable blood vessel occluder 1 of the present application can be used to clamp blood vessels, and can also be used ...

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Abstract

The invention provides an adjustable blood vessel blocker. The adjustable blood vessel blocker comprises a clamping body and a clamping sleeve part, the clamping body is provided with a plurality of first positioning parts, and the clamping sleeve part is provided with a second positioning part; when the clamping body is clamped on a blood vessel or tissue on the blood vessel or on the periphery of the blood vessel, the clamping sleeve part can be arranged on the clamping body in a sleeving mode; the second positioning part is matched with different first positioning part so as to adjust the relative position of the clamping sleeve part and a clamping part, and then the clamping force of the clamping part is adjusted.

Description

technical field [0001] The embodiment of the present application relates to a medical device, in particular to an adjustable blood vessel blocker. Background technique [0002] In traditional laparoscopic partial nephrectomy, after separating the space between the renal parenchyma and perirenal fat, it is necessary to separate the fat tissue at the renal hilum, and then follow the pulse of the renal artery to find and locate the renal artery, and after further opening the vascular sheath , use tools such as ultrasonic scalpel, separating forceps, and right-angle forceps to fully expose the renal artery freely, and then place the vascular blocker. [0003] However, due to the abundance of small blood vessels around the renal arteries, the free arteries need to be carefully manipulated, and the above-mentioned manipulation steps will unintentionally prolong the operation time and increase the risk of bleeding. [0004] Furthermore, the clamping force of the occluder currently...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/122
CPCA61B17/122A61B17/1227A61B2017/12004
Inventor 杨波张超过菲孙颖浩陆小英王富博薛文俊严新谊肖亮刘宏辉金鑫郝路
Owner SECOND MILITARY MEDICAL UNIV OF THE PEOPLES LIBERATION ARMY
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