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US20080125859A1 Active / In Force US ⏱️ 1.3 years remaining

Methods and Apparatus for Endovascularly Replacing a Patient's Heart Valve

Assignee: Boston Scientific Scimed Inc
•
Filing: 2008-02-08
•
Granted: —
•
Expires: 2028-02-08
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Abstract

Abstract Methods for endovascularly replacing a patient's heart valve. In some embodiments, the method includes the steps of endovascularly delivering a replacement valve and an anchor to a vicinity of the heart valve, the anchor having a braid, and expanding the braid to a deployed configuration against the patient's tissue. The braid may be fabricated from a single strand of wire and/or may comprise at least one turn feature.

Inventors

  • 👤 Amr Salahieh
  • 👤 Ulrich R. Haug
  • 👤 Hans F. Valencia
  • 👤 Robert A. Geshlider
  • 👤 Tom Saul
  • 👤 Dwight P. Morejohn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 03:50
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2412; A61F2/2415; A61F2/2418; A61F2/2427; A61F2/2436; A61F2/2439; A61F2230/00; A61F2230/0002; A61F2230/0028; A61F2230/0054; A61F2250/00; A61F2250/0014; A61F2250/0039

Claims Analysis

Total Claims: 16
Claim 1
Independent Claim 54 words
1 . A method for replacing a native aortic valve comprising: endovascularly delivering a replacement valve and an anchor comprising an expandable braid to an anchor site within the native aortic valve; and actively foreshortening the anchor to radially expand the anchor to an expanded shape to secure the anchor at the anchor site.
Claim 2
Dependent Claim 54 words
1 . A method for replacing a native aortic valve comprising: endovascularly delivering a replacement valve and an anchor comprising an expandable braid to an anchor site within the native aortic valve; and actively foreshortening the anchor to radially expand the anchor to an expanded shape to secure the anchor at the anchor site.
Claim 3
Dependent Claim 16 words
2 . The method of claim 1 further comprising locking the anchor in the expanded shape.
Claim 4
Dependent Claim 39 words
3 . The method of claim 1 wherein the foreshortening step comprises expanding a first region of the anchor to a first diameter and a second region of the anchor to a second diameter larger than the first diameter.
Claim 5
Dependent Claim 28 words
4 . The method of claim 3 wherein the foreshortening step further comprises expanding a third region of the anchor to a diameter larger than the first diameter.
Claim 6
Dependent Claim 29 words
5 . The method of claim 4 wherein the foreshortening step further comprises using the first, second and third regions to center the anchor within the native aortic valve.
Claim 7
Dependent Claim 40 words
6 . The method of claim 1 wherein the foreshortening step comprises actively foreshortening the anchor to radially expand the anchor to an expanded shape to secure the anchor at the anchor site while avoiding interference with a mitral valve.
Claim 8
Dependent Claim 27 words
7 . The method of claim 1 wherein the foreshortening step comprises actively foreshortening the anchor to radially expand the anchor to a radially symmetrical expanded shape.
Claim 9
Dependent Claim 27 words
8 . The method of claim 1 wherein the foreshortening step comprises actively foreshortening the anchor to radially expand the anchor to a bilaterally symmetrical expanded shape.
Claim 10
Dependent Claim 26 words
9 . The method of claim 1 wherein the foreshortening step comprises actively foreshortening the anchor to radially expand the anchor to an asymmetrical expanded shape.
Claim 11
Dependent Claim 19 words
10 . The method of claim 1 further comprising permitting the anchor to self-expand prior to the foreshortening step.
Claim 12
Dependent Claim 33 words
11 . The method of claim 1 wherein the foreshortening step comprises applying a proximally directed force on a deployment system interface at a proximal end or a distal end of the anchor.
Claim 13
Dependent Claim 31 words
12 . The method of claim 11 wherein the foreshortening step comprises applying a proximally directed force on the deployment system interface without diametrically constraining the distal end of the anchor.
Claim 14
Dependent Claim 34 words
13 . The method of claim 11 wherein the step of applying a proximally directed force is performed without passing any portion of a deployment system through a center opening of the replacement valve.
Claim 15
Dependent Claim 29 words
14 . The method of claim 1 wherein the foreshortening step comprises applying a distally directed force on a deployment system interface at a proximal end of the anchor.
Claim 16
Dependent Claim 31 words
15 . The method of claim 14 wherein the foreshortening step comprises applying a distally directed force on the deployment system interface without diametrically constraining the proximal end of the anchor.

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