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US6976995B2 Expired / Lapsed US ⏱️ 0.0 years remaining

Fixed length anchor and pull mitral valve device and method

Assignee: Cardiac Dimensions Pty Ltd
•
Filing: 2002-01-30
•
Granted: 2005-12-20
•
Expires: 2022-01-30
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Abstract

Abstract A device effects the mitral valve annulus geometry of a heart. The device includes first and second anchors configured to be positioned within the coronary sinus of the heart adjacent the mitral valve annulus of the heart and a fixed length connecting member permanently attached to the first and second anchors. With the first anchor anchored in the coronary sinus, the second anchor may be displaced proximally to effect the geometry of the mitral valve annulus and released to maintain the effect on the mitral valve geometry.

Inventors

  • 👤 Mark L. Mathis
  • 👤 Gregory D. Nieminen
  • 👤 David G. Reuter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 19:29
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2442; A61F2/2451; A61F2/246; A61F2/2466; A61B; A61B17/00; A61B17/00234; A61B2017/00238; A61B2017/00243; A61F2/2445; A61F2/2448; A61F2210/00; A61F2210/0014; A61F2220/00; A61F2220/0008; A61F2250/00; A61F2250/0004; A61F2250/0012; A61F2310/00; A61F2310/00005; A61F2310/00011; A61F2310/00017; A61F2310/00023; A61N; A61N1/00; A61N1/02; A61N1/04; A61N1/05; A61N1/056; A61N1/057; A61N2001/0585

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 204 words
A system that effects mitral valve annulus geometry of a heart, comprising: a mitral valve device including a first anchor configured to be positioned within and anchored to the coronary sinus of the heart adjacent the mitral valve annulus within the heart, a second anchor configured to be positioned within the heart proximal to the first anchor and adjacent the mitral valve annulus within the heart, and a connecting member having a fixed length permanently attached to the first and second anchors; a catheter having a distal end, a proximal end and a lumen that receives the device, the catheter being guidable into the coronary sinus adjacent to the mitral valve annulus and deploying the first and second anchors of the device within the coronary sinus adjacent to the mitral valve annulus; and a tether releasably coupled to the second anchor and extending proximally through the lumen and out of the catheter proximal end, whereby when the first anchor is deployed by the catheter in the coronary sinus, the second anchor may be displaced proximally by proximally pulling on the tether to effect the geometry of the mitral valve annulus and thereafter released for deployment to maintain the effect on the mitral valve geometry.
Claim 2
Independent Claim 204 words
A system that effects mitral valve annulus geometry of a heart, comprising: a mitral valve device including a first anchor configured to be positioned within and anchored to the coronary sinus of the heart adjacent the mitral valve annulus within the heart, a second anchor configured to be positioned within the heart proximal to the first anchor and adjacent the mitral valve annulus within the heart, and a connecting member having a fixed length permanently attached to the first and second anchors; a catheter having a distal end, a proximal end and a lumen that receives the device, the catheter being guidable into the coronary sinus adjacent to the mitral valve annulus and deploying the first and second anchors of the device within the coronary sinus adjacent to the mitral valve annulus; and a tether releasably coupled to the second anchor and extending proximally through the lumen and out of the catheter proximal end, whereby when the first anchor is deployed by the catheter in the coronary sinus, the second anchor may be displaced proximally by proximally pulling on the tether to effect the geometry of the mitral valve annulus and thereafter released for deployment to maintain the effect on the mitral valve geometry.
Claim 3
Dependent Claim 22 words
The system of claim 1 wherein the second anchor, when deployed, is anchored against distal movement and moveable in a proximal direction.
Claim 4
Dependent Claim 17 words
The system of claim 1 wherein the first anchor is self-deploying upon release in the coronary sinus.
Claim 5
Dependent Claim 17 words
The system of claim 1 wherein the second anchor is self-deploying upon release in the coronary sinus.
Claim 6
Dependent Claim 13 words
The system of claim 1 wherein the connecting member is a rigid member.
Claim 7
Dependent Claim 16 words
The system of claim 1 wherein the connecting member includes a spring having a maximum length.
Claim 8
Dependent Claim 13 words
The system of claim 1 wherein the connecting member is flexible and nonstretchable.

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2008-12-19 2009-06-20 2009-12-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2012-12-19 2013-06-20 2013-12-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2016-12-19 2017-06-20 2017-12-20 $7700.00 Window Closed / Lapsed

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