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Bracket with oblique marker and its application, system and method for adjusting oblique direction of bracket thereof

A technology of markers and bevels, which is applied to the adjustment of the system and the direction of the bevel of the stent. In the field of stents with beveled ends, it can solve the problem that the combination of markers cannot provide accurate and fast indication of the direction of the bevel of the stent, so as to shorten the operation time, The effect of reducing the workload and reducing the difficulty of operation

Pending Publication Date: 2019-06-14
SHENZHEN KYD BIOMEDICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] In order to solve the technical problems that the combination of markers of the prior art stent cannot accurately and quickly provide the direction indication of the slant opening of the stent, the adjustment operation of the direction of the slant opening of the stent is inconvenient and difficult, and the placement position of the slant opening of the stent is inaccurate, etc., the present invention provides a The stent of the bevel marker and its application, system and method for adjusting the direction of the bevel of the stent, the two-dimensional projection plane image of the stent combined with the markers of the present invention can give the operator an accurate indication of the direction of the bevel of the stent, shortening the Time to adjust the direction of the bevel of the bracket

Method used

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  • Bracket with oblique marker and its application, system and method for adjusting oblique direction of bracket thereof
  • Bracket with oblique marker and its application, system and method for adjusting oblique direction of bracket thereof
  • Bracket with oblique marker and its application, system and method for adjusting oblique direction of bracket thereof

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Experimental program
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Effect test

Embodiment 1

[0120] For an example of a marker combination, see Figure 11A , Figure 11B , the two alignment markers are cylinders with the same thickness, wherein the bottom surface of the alignment marker 23 is circular, and the bottom surface of the alignment marker 24 is elliptical. Obviously, any diameter of the circle is Its maximum width line, and the major axis of the ellipse is its only maximum width line, the major axis of the ellipse is twice the diameter of the circle, the length of the minor axis of the ellipse is equal to the diameter of the circle and the thickness of the cylinder, and the ellipse The major axis of is parallel to a diameter of the circle and the ZZ axis two by two. see Figure 12 , when the angle between the projection direction of the ray and the line between the two alignment markers changes, the plane projection images of the two alignment markers are ellipses with different long-axis directions. Since the plane projection images The general direction...

Embodiment 2

[0122] In the same way, Figure 13A , Figure 13B The two alignment markers in the illustrated embodiment are also cylinders, wherein the bottom surface of the alignment marker 23 is circular, while the bottom surface of the alignment marker 24 is figure-eight, and the bottom surface of the figure-eight has and only has one maximum width The line is parallel to the ZZ axis and is twice the circular diameter of the bottom surface of the alignment marker 23 . according to Figure 14 The planar projection image A of the alignment marker can also be used to quickly identify and distinguish two alignment markers by using the length difference along the ZZ axis of the planar projection image of the alignment marker.

Embodiment 3

[0124] see Figure 2A , Figure 2B , which with Figure 11A The embodiment is different in that the major axis of the oval bottom surface of the alignment marker 24 is perpendicular to the ZZ axis. see Figure 4 , Figure 5 , Figure 6 and Figure 7 , shows the plane projection diagram A where the included angles between the ray projection direction and the line connecting the two alignment markers are 0 degrees, 30 degrees, 45 degrees and 80 degrees. By comparing the lengths of the projection images of the two alignment markers along the MM axis, it is possible to quickly distinguish the P1 enantioposition marker 24 . In addition, it can be seen from the figure that as the included angle increases, the lengths of the projection images of the two alignment markers along the MM axis gradually approach. In order to ensure that the comparison and distinction of the maximum width of the planar projection images of the two alignment markers can be achieved within a small ran...

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Abstract

The invention relates to the technical field of an implantable medical device, and especially relates to a bracket with an oblique marker and its application, a system and a method for adjusting the oblique direction of the bracket thereof. A special marker combination is arranged at an oblique mouth of the bracket, the oblique direction of the bracket can be quickly and accurately determined by asurgeon through a two-dimensional projection plane image of the marker combination, the time for adjusting the oblique direction of the bracket can be shortened for the surgeon, and the difficulty ofadjustment is reduced. The bracket of the present invention can be used as the self-expanding bracket for the position of the iliac vein lesion, and form the bracket system with a catheter having a directional marker for indicating the oblique direction of the bracket.

Description

technical field [0001] The invention relates to the technical field of implantable medical devices, in particular to a stent with a bevel end implanted in a lumen, an application thereof, a system and a method for adjusting the direction of the bevel of the stent. Background technique [0002] The stent is usually tubular, showing a hollow or braided cylindrical structure, with rods, wires, etc. as the support structure at the circumference of the cylinder, which can be used for recanalization of pathologically changed hollow organs, which are introduced in a compressed state through a delivery catheter to a position within the hollow organ to be treated, where they are expanded by various measures to a diameter corresponding to the diameter of a healthy hollow organ, thereby achieving a supporting effect of the hollow organ, for example a vessel wall. At present, stent technology has been widely used in organs such as blood vessels, ureter, esophagus, colon, duodenum or bil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/90
Inventor 汪泽辉陈奕龙戎朝
Owner SHENZHEN KYD BIOMEDICAL TECH CO LTD
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