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Bending resistant guide wire

A technology of guide wire and core wire, applied in the direction of guide wire, etc., can solve the problems of increasing guide wire resistance, human injury, guide wire bending, etc., and achieve the effect of reducing resistance, reducing injury and reducing pain

Inactive Publication Date: 2015-03-11
PLS MINIMALLY INVASIVE INTERVENTIONAL MEDICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, most of the guide wires used in clinical medicine are used in conjunction with various medical catheters. Traditional guide wires are mostly made of steel or rigid alloy materials. However, when the guide wire passes through the blood vessels of the human body, due to the The layout of the guide wire is usually multi-segment winding, which will easily cause the guide wire to bend, and it is not easy to recover, which will increase the resistance when the guide wire passes through or is pulled out, causing certain damage to the human body

Method used

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  • Bending resistant guide wire

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Embodiment Construction

[0013] refer to figure 1 , figure 1 It is a structural schematic diagram of a specific embodiment of the present invention. As shown in the figure, the anti-folding guide wire includes a core wire 1 and a winding sleeve 2, and the winding sleeve 2 is formed by stacked helical winding wires. The core wire 1 is made of shape-memory materials such as nickel-titanium alloy, so that the core wire 1 can still maintain a better original state after repeated bending, reduce the resistance when the guide wire passes through or is pulled out, and reduces the impact on blood vessels and the human body. The damage to the tissue can reduce the pain of the patient, and the catheter adopting the guide wire can still be kept unblocked in a discounted state, which has high practical promotion value.

[0014] Preferably, in this embodiment, the surface of the core wire 1 is also provided with an insulating coating. Since the human body usually carries a micro-current, the corrosion of the core...

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Abstract

The invention discloses a bending resistant guide wire. The bending resistant guide wire comprises a pistil wire and a winding sleeve; the winding sleeve is formed by spiral warping wires which are arranged in a superposition mode; the pistil wire is made of shape memory materials such as nitinol and the like and accordingly the pistil wire can keep a good original state after being for a plurality of times, the resistance during guide wire passing through or being pulled out is reduced, damages to blood vessels and human tissues are reduced, patient pains are reduced, a conduit adopting the guide wire can keep smooth under the bending state, and the guide wire has high practical and promotional values.

Description

technical field [0001] The invention relates to an anti-bending guide wire used in clinical medicine. Background technique [0002] At present, most of the guide wires used in clinical medicine are used in conjunction with various medical catheters. Traditional guide wires are mostly made of steel or rigid alloy materials. However, when the guide wire passes through the blood vessels of the human body, due to the The layout of the guide wire is usually multi-segment winding, which will easily cause the guide wire to bend and is not easy to recover, which will increase the resistance when the guide wire passes through or is pulled out, causing certain damage to the human body. Contents of the invention [0003] In order to overcome the deficiencies of the prior art, the invention provides an anti-buckling guide wire. [0004] The technical solution adopted by the present invention to solve its technical problems is: [0005] The anti-bending guide wire includes a core wir...

Claims

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Application Information

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IPC IPC(8): A61M25/09
Inventor 韦刘东
Owner PLS MINIMALLY INVASIVE INTERVENTIONAL MEDICAL