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Adjustable and controllable cerebrovascular thrombectomy stent and delivery control system

A delivery control and cerebrovascular technology, applied in the field of medical devices, can solve the problems of hard material, damage to the blood vessel wall, intracranial hemorrhage, etc., and achieve the effects of safely removing thrombus, preventing errors, and improving operability and safety.

Pending Publication Date: 2018-11-30
上海微密医疗科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the delivery process, the distal end of the device may damage the vessel wall and cause intracranial hemorrhage due to the excessively hard material

Method used

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  • Adjustable and controllable cerebrovascular thrombectomy stent and delivery control system
  • Adjustable and controllable cerebrovascular thrombectomy stent and delivery control system
  • Adjustable and controllable cerebrovascular thrombectomy stent and delivery control system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] Refer below Figure 1-4 Embodiments of the present invention are described in detail.

[0026] The reference signs and components involved in the accompanying drawings are as follows:

[0027] 1. Delivery handle 2. Scale

[0028] 3. Lock button 4. Control button

[0029] 5. Conveying tube 6. Developing mark

[0030] 7. Delivery guide wire 8. Take thrombus support.

[0031] 9. Soft Seeker 10. First Bump

[0032] 11. Second bulge

[0033] figure 1 It is a schematic diagram of the structure of the adjustable cerebrovascular thrombectomy stent and the delivery system in the opened state.

[0034] figure 2 A schematic diagram showing the half-opened state of the thrombectomy stent.

[0035] image 3 and Figure 4 It is shown as a schematic diagram of the adjustable cerebrovascular thrombectomy stent and delivery system in delivery state.

[0036] figure 1 A schematic diagram of the structure of the adjustable cerebrovascular thrombectomy stent and the delivery ...

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Abstract

The invention relates to an adjustable and controller cerebrovascular thrombectomy stent and a delivery control system. The thrombectomy stent is formed by braiding a plurality of nickle-titanium memory alloy wires; the delivery control system is composed of a delivery guide wire, a delivery pipe, a delivery handle, a regulating and control button, a locking button and a developing marker; the proximal end of the delivery guide wire is fixed to the regulating and control button; the distal end of the thrombectomy stent is fixed to the delivery guide wire; the proximal end of the thrombectomy stent is fixed to the distal end of the delivery pipe; and the proximal end of the delivery pipe is fixed to the delivery handle. A minimally invasive surgery can be conducted under a circumstance of not implementing craniotomy; by pushing the delivery pipe, the thrombectomy device can reach a thrombus site, and radial dimensions of the thrombectomy device can be controlled by virtue of the regulating and control handle, so that a first bump and a second bump can be formed; and by locking the locking button on the handle, the maximum grabbing force and safety of drawing thrombus can be guaranteed.

Description

technical field [0001] The invention relates to a minimally invasive interventional treatment device, which belongs to the technical field of medical devices, in particular to a minimally invasive interventional treatment device for cerebrovascular thrombosis, and is an adjustable cerebrovascular thrombus removal bracket and delivery control system. Background technique [0002] Cerebral thrombosis is the most common type of cerebral infarction. Atherosclerosis of the main cerebral artery or cortical branch leads to thickening of blood vessels, stenosis and occlusion of the lumen, and thrombosis, resulting in reduced or interrupted blood flow in the brain, cerebral ischemia and hypoxia leading to softening and necrosis, and focal neurological symptoms . Diabetes, diabetes, hyperlipidemia and high blood pressure can accelerate its formation. [0003] Cerebral thrombosis mostly occurs in middle-aged and elderly people. With the increase of age, arterial blood vessels gradual...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/221
CPCA61B17/221A61B17/00234A61B2017/00358A61B2017/2212
Inventor 向勇刚万杰清张吉勇
Owner 上海微密医疗科技有限公司
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