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Variable-diameter artery model for guide wire/catheter pushing performance test

A catheter and performance technology, applied in the field of variable-diameter arterial models, can solve problems such as unsatisfactory results, unrealistic surgical operations, and large differences, and achieve the effect of a convenient test method

Inactive Publication Date: 2020-08-18
SUZHOU HUAN CHEN MEDICAL CO
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

Interventional therapy has the advantages of good curative effect, less trauma, faster recovery, less cost, and shorter hospital stay, and has been more and more widely used, such as catheter dilatation, vascular embolization, and catheter ablation of atrial fibrillation. However, If cadavers and animals are used for the testing of guide wires, catheters, guiding catheters and other instruments used in interventional therapy operations, not only will a large amount of medical waste be generated, but also the distance between cadavers and animals is quite different from the real human body, and the sense of reality of the surgical operation is not strong. Unsatisfactory effect

Method used

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  • Variable-diameter artery model for guide wire/catheter pushing performance test

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Embodiment Construction

[0012] The above scheme will be further described below in conjunction with specific embodiments. It should be understood that these examples are intended to illustrate the invention and not to limit the scope of the invention. The implementation conditions used in the examples can be further adjusted according to the conditions of specific manufacturers, and the implementation conditions not specified are usually the conditions in routine experiments.

[0013] like figure 1 The variable diameter arterial model shown for guidewire / catheter push performance testing is a hollow structure including an aortic arch with three branches on it, the vessel is a peripheral vessel model, 5.6 inches in length, simulating a blood vessel The diameter can be 2.5mm-6.0mm.

[0014] The arterial model of the present invention is preferably made of silicone material, the hardness of the silicone tube is in the range of 37-39, the tear resistance is 21 N / mm2^(120ppl), and the tensile strength i...

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Abstract

The invention discloses a variable-diameter artery model for a guide wire / catheter pushing performance test. The model is of a plate-shaped structure and consists of three plates, namely two plates with matched shapes for simulating the trend of a blood vessel, and a bottom plate for fixing the two blood vessel trend simulation plates. According to the variable-diameter artery model, the diameterof the artery model can be adjusted according to needs, and the trend and shape of the simulated blood vessel are kept unchanged all the time.

Description

technical field [0001] The invention relates to the field of medical devices, in particular to a variable-diameter artery model used for a guide wire / catheter pushing performance test. Background technique [0002] Interventional therapy is a minimally invasive treatment using modern high-tech means. Under the guidance of medical imaging equipment, special instruments such as guide wires and catheters are introduced into the human body to diagnose and localize the diseased parts of the body. a new type of medical surgery. Interventional therapy has the advantages of good curative effect, less trauma, quick recovery, low cost and short hospital stay, etc., and has been widely used, such as catheter dilation, vascular embolization, catheter ablation of atrial fibrillation, etc. However, If cadavers and animals are used for testing of guidewires, catheters, guide catheters and other instruments used in interventional therapy operations, not only a large amount of medical waste...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/00
CPCG01M13/00
Inventor 束晓文
Owner SUZHOU HUAN CHEN MEDICAL CO
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