TRANSCATHETER MITRAL VALVE PROSTHESIS

• US 20140243954A1
• Filed: 02/27/2014
• Published: 08/28/2014
• Est. Priority Date: 02/27/2013
• Status: Abandoned Application

• Current Assignee: Donald Shannon
• Original Assignee: Donald Shannon
• Inventors: Shannon, Donald
• Application Number:
  US14/192,053
• Publication Number:
  US 20140243954A1
• Time in Patent Office: Days
• US Class Current: 623/2.11
• CPC Class Codes: A61F 2/2418 Scaffolds therefor, e.g. support stents
• CPC Class Codes: A61F 2220/005 using adhesives
• CPC Class Codes: A61F 2230/001 Figure-8-shaped, e.g. hourglass-shaped

Abstract

An intraluminal device replaces the mitral valve in the human heart without tissue insult or injury via catheter-based deployment and securement. By controlling radial force, a one-piece device in a substantially hyperboloid configuration is emplaced using a least one of a biological adhesive and a porous layer encapsulating the device, for example, ePTFE, to manage the potential for migration. Systems for emplacement are likewise disclosed.

Claims

1. A device for replacing the mitral valve, comprising, in combination:

a modified hyperboloid self-expanding stent-like assembly having a top and a bottom end;

operatively linked at least one of a biological adhesive and a porous coating layer;

a catheter-based delivery system; and

,

wherein the bottom or pressure side of the assembly is modified to support integration with chordea for anchorage enhancement.

2. The device of claim 1, further comprising ePTFE

3. The device of claim 2, further comprising at least a shape memory alloy.

4. The device of claim 1, wherein the device is two-piece.

5. The device of claim 4, wherein deployment from a catheter and securement in place happens without application of damaging amounts of radial force to surrounding tissue.

6. The device of claim 5, wherein radial force is controlled and migration addressed, enabling long-term emplacement, and enhancement of the quality of life of a patient.

7. The device of claim 1, wherein tissue ingrowth is facilitated by the structure of the device.

8. In a device for mitral valve replacement which facilitates tissue attachment, the improvement which comprises, in combination:

at least a modified hyperoloid stent-like assembly, having a top portion and a bottom portion;

wherein the bottom portion supports tissue ingrowth.

9. The device of claim 8, wherein the bottom portion integrates with extant chordea for anchorage attachment.

10. The device of claim 9, wherein said bottom portion is the pressure side of the stent-like assembly.

11. A method of endovascular mitral valve replacement, comprising, in combination:

providing a modified hyperboloid self-expanding stent assembly;

delivering the assembly via a catheter through a femoral-femoral cut-down; and

,

emplacing the same,

whereby tissue ingrowth is facilitated.