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Aneurysm blocking device

A technology for occlusion devices and aneurysms, which is applied in the field of medical devices, can solve problems affecting the filling effect of tubular braids, achieve better occlusion effects, promote natural formation, and improve the filling rate

Pending Publication Date: 2022-05-13
高不郎 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the treatment plan for aneurysm is being gradually explored and improved. At present, the relatively novel and efficient technology is the tubular braid filling technology. The tubular braid filling technology can perform aneurysm filling more easily and efficiently, but for tubular filling, different The structural design of the can directly affect the filling effect of the tubular braid in the aneurysm, therefore, we designed a new aneurysm occlusion device to improve the existing technology

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] combine figure 1 , figure 2 , image 3 , Figure 4 As shown, an aneurysm occlusion device provided according to some embodiments of the present invention includes an upper opening braided structure 2, a metal knot 3, and a middle braided structure 4, wherein the top end of the upper open braided structure 2 is an open end, and the upper open braided structure 2 The structure 2 and the middle braided structure 4 are connected through the metal knot 3 , and the middle braided structure 4 and the guide wire 5 are connected through the metal knot 3 .

[0035] Further, the upper opening braiding structure 2 and the middle braiding structure 4 are both continuous braiding structures, and the upper opening braiding structure 2 and the middle braiding structure 4 are both circular tubular structures, wherein the upper opening braiding structure 2 and the middle braiding structure 4 adopt a shape Braided with memory effect wire.

[0036] Further, the occlusion device is loc...

Embodiment 2

[0040] combine Figure 5 , Image 6 , Figure 7 , Figure 8 As shown, the difference between this embodiment and Embodiment 1 is that this embodiment includes a lower opening braided structure 7, and by setting the lower opening braided structure 7, the occlusion device can be adapted to an aneurysm 1 with a wide neck, and the lower opening braided structure The bottom end of 7 is an open end, and the lower open braided structure 7 is connected to the middle braided structure 4 through a metal knot 3, the lower open braided structure 7 is a continuous braided structure, and the lower open braided structure 7 is a circular tubular structure.

[0041] Further, the lower open braided structure 7 is braided by metal wires with shape memory effect.

[0042]In the filling configuration, after the lower open braided structure 7 is everted, it cooperates with the wide neck 1-1 of the aneurysm 1 to seal off. Sealed in the aneurysm 1, forming the effect of multi-layer braided fabric...

Embodiment 3

[0044] A method for treating an aneurysm occlusion device according to some embodiments of the present invention, comprising:

[0045] Step 1, connecting the occlusion device shaped into a delivery configuration with the metal knot at the lower part of the middle braided structure 4 through the guide wire 5;

[0046] Step 2, placing the occlusion device and the guide wire 5 in the delivery configuration into the catheter 6;

[0047] Step 3, sending the occlusion device to the lesion site through the catheter 6;

[0048] Step 4, after the catheter 6 reaches the lesion site, the front opening of the catheter 6 is aligned with the neck of the aneurysm 1;

[0049] Step 5, delivering the occlusion device into the aneurysm 1 through the guide wire 5;

[0050] Step 6: After the occlusion device reaches the lesion, the upper open braided structure 2, the middle braided structure 4, and the lower open braided structure 7 are braided by nickel-titanium alloy and other metal wires with...

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Abstract

The invention relates to the technical field of medical instruments. An aneurysm occluding device is disclosed, comprising an occluding device that forms a delivery configuration when located in a catheter, a guidewire that delivers the occluding device when located in the catheter, the occluding device transitioning to a filling configuration after being filled into an aneurysm by the catheter, due to the shape and size of the filling structure, the filling structure can be clamped in the aneurysm; in the filling configuration, the upper opening woven structure is turned outwards, most of the turned-outwards upper opening woven structure is attached to most of the inner wall of the aneurysm, the middle woven structure is unfolded, the unfolded middle woven structure is wrapped by the turned-outwards upper opening woven structure, and the middle woven structure is wrapped by the turned-outwards upper opening woven structure. The outwards-turned upper opening woven structure and the unfolded and wrapped middle woven structure jointly form the filling structure.

Description

technical field [0001] The invention relates to the technical field of medical devices, and more specifically, to an aneurysm occlusion device. Background technique [0002] Aneurysm is a common vascular disease, which is the result of expansion or bulging of the arterial wall due to local lesions or damage of the arterial wall. The bifurcation of blood vessels and large-angle bending of blood vessels in the human body are the most vulnerable places for aneurysms. The location of the aneurysm is thin. If the aneurysm is not intervened in time, the continuous blood flow into the aneurysm will cause the aneurysm to expand continuously, and there will be a danger of rupture at any time. Once the aneurysm ruptures and bleeds, it will pose a threat to human life. The treatment of aneurysms can be done by surgery or endovascular interventional embolization. Surgical treatment has more complications, and the operation and recovery time is longer. Compared with endovascular emboliza...

Claims

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Application Information

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IPC IPC(8): A61B17/12
CPCA61B17/12113A61B17/12168A61B2017/1205
Inventor 高不郞
Owner 高不郎
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