Methods and devices for endovascular mitral valve correction from the left coronary sinus
First Claim
1. A method for endovascular mitral valve correction of a patient, comprising:
- providing a catheter having a balloon assembly including a first balloon having a length and a second balloon also having a length, the catheter having separate lumens connected to inflate the first and second balloons, the balloon assembly including the first and second balloons having a total length and opposed ends, wherein at least a first opposed end of the balloon assembly is flexible so as to permit bending relative to an adjacent portion of the balloon assembly;
inserting the catheter into the vasculature system of the patient;
advancing the catheter such that the balloon assembly is located within the left coronary sinus; and
inflating the first and second balloons.
1 Assignment
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Accused Products
Abstract
Apparatuses and methods for reshaping a mitral valve annulus to correct for mitral regurgitation. The apparatuses include one or more balloons in a balloon assembly that are delivered in a deflated state and inflated within the left coronary sinus adjacent mitral annulus. The balloon or balloon assembly may be linear and have one or both ends more flexible than a mid-section, or may be curvilinear. A single balloon having differently constructed end sections may be used. Alternatively, a balloon assembly may include two concentrically arranged balloons with an inner, shorter balloon and an outer, longer balloon. The outer balloon defines the ends of the balloon assembly and is inflated to a lesser pressure than the inner balloon so as to result in the flexible ends. Two or more balloons in series may be mounted on a catheter with gaps therebetween to permit relative flexing or bending. The inflation fluid may be saline or other biocompatible inflation fluid, or may be a fluid that can be subsequently hardened by curing or cross-linking. In either case, a one-way valve is typically utilized to prevent deflation of the balloon once implanted, and structure for decoupling the delivery catheter from the balloon or balloon assembly may be included.
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Citations
30 Claims
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1. A method for endovascular mitral valve correction of a patient, comprising:
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providing a catheter having a balloon assembly including a first balloon having a length and a second balloon also having a length, the catheter having separate lumens connected to inflate the first and second balloons, the balloon assembly including the first and second balloons having a total length and opposed ends, wherein at least a first opposed end of the balloon assembly is flexible so as to permit bending relative to an adjacent portion of the balloon assembly;
inserting the catheter into the vasculature system of the patient;
advancing the catheter such that the balloon assembly is located within the left coronary sinus; and
inflating the first and second balloons. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for endovascular mitral valve correction of a patient, comprising:
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providing a catheter having a balloon on a distal end thereof;
inserting the catheter into the vasculature system of the patient;
advancing the catheter such that the balloon is located within the left coronary sinus;
inflating the balloon with a fluid; and
causing the fluid to harden. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A system for endovascular mitral valve correction, comprising:
a catheter having a balloon assembly including a first balloon having a length and a second balloon also having a length, the catheter having separate lumens connected to inflate the first and second balloons, the balloon assembly including the first and second balloons having a total length and opposed ends, wherein at least a first opposed end of the balloon assembly is flexible so as to permit bending relative to an adjacent portion of the balloon assembly. - View Dependent Claims (15, 16, 17, 18, 19, 20, 27)
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21. A system for endovascular mitral valve correction, comprising:
a catheter having a balloon thereon having a length, the balloon having a balloon wall including a mid-section contiguous with opposed end sections, the mid-section being formed differently than at least a first end section so as to be more rigid than the first end section when the balloon is inflated. - View Dependent Claims (22, 23, 24, 25, 26, 28)
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29. A system for endovascular mitral valve correction comprising:
a catheter having a balloon thereon, the balloon adapted to be positioned within a coronary sinus and adapted to remodel a mitral valve annulus adjacent to the coronary sinus, the balloon containing a hardenable material to maintain the balloon in an inflated condition in the coronary sinus. - View Dependent Claims (30)
Specification