Device for treating a blood circulation conduit

A technology of treatment device and pipeline, applied in medical science, prosthesis, heart valve, etc., can solve the problems of radial size can not be ignored, increase the radial size of the inner valve, hinder the implantation of the body, etc.

Inactive Publication Date: 2010-10-13
CORMOVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] However, intervening mechanisms placed around the endoprosthesis increase the radial dimension of the inner valve
Therefore, the radial size of the deployment tool used to implant such an internal valve cannot be ignored, which can hinder its implantation in the body

Method used

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  • Device for treating a blood circulation conduit
  • Device for treating a blood circulation conduit
  • Device for treating a blood circulation conduit

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0049] Throughout the following description, the terms "distal" and "proximal" are to be understood with reference to a user of the device outside the patient's body, relative to the therapeutic device.

[0050] Figure 1 to Figure 4 A first treatment device 10 according to the invention is shown. The device is particularly useful for implanting internal valves, including tubular endoprostheses and valves, in place of figure 2 with Figure 4 Native heart valve 12 seen in .

[0051] As shown in these figures, the native valve 12 is located within a blood circulation conduit 14 , which is defined within a peripheral wall 16 . The native valve 12 includes a plurality of leaflets 18 that are mobile from the wall 16 in the duct 14 .

[0052] as in Figure 1 to Figure 4 As shown in , the device 10 includes an implant body 20, the implant body 20 includes an inner valve 22 and an interposition mechanism 24, and the interposition mechanism 24 is fixedly installed on the inner va...

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PUM

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Abstract

This device (10) comprises an implant (20) which has a tubular endoprosthesis (30) with a radially deployable framework (36). The implant (20) comprises a flexible member (24) mounted movably on the endoprosthesis (30) so as to be interposed between the outer surface (40) and a blood circulation conduit (14). The device (10) comprises a deployment tool (26) which can adopt a configuration for introduction of the implant (20) and a configuration for release of the implant (20). In the configuration for introduction of the implant (20), the flexible member (24) comprises at least one free part (68) held axially away from the outer surface (40) in order to minimize the radial dimension of the implant (20). The free part (68) is at least partially displaceable against the outer surface (40) when the tool (26) moves from its configuration for introduction to its configuration for release.

Description

technical field [0001] The present invention relates to a treatment device for blood circulation conduits, this type of device includes: [0002] - an implant for placement in said conduit, the implant comprising: [0003] - a tubular endoprosthesis having an axis, said endoprosthesis having a frame radially expandable between a contracted state and an expanded state, said frame having an outer surface axially bounded by an axial edge; [0004] - at least one intervening means more flexible than said frame, flexible said intervening means being movably mounted on said endoprosthesis for interposition between said outer surface and said duct ;with [0005] - an implant deployment tool adapted to be in an introduction configuration for introducing the implant into the tract and an implant release configuration, in the introduction configuration, the deployment tool keeps the frame in its The contracted state, while in the released configuration, the frame is in its expanded s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/24
CPCA61F2250/0069A61F2/2418A61F2/2436A61F2/2412
Inventor W·斯蒂尔克
Owner CORMOVE
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