Inflatable transcatheter intracardiac devices and methods for treating incompetent atrioventricular valves
First Claim
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1. A heart valve implant comprising:
- a guide shaft comprising a first end and a second end;
an anchor coupled to said guide shaft proximate said first end;
an inflatable valve body movably connected to said guide shaft within a predetermined range of movement, said inflatable valve body comprising an outer diameter;
range limiting structure which limits the range of movement of said inflatable valve body relative to said guide shaft comprising;
a pseudo-annulus ring having an internal diameter which is smaller than said outer diameter of said inflatable valve body,a plurality of proximal artificial chordae tendineae which are connected to said guide shaft and to said pseudo-annulus ring for limiting the movement of said pseudo-annulus ring in a distal direction, anda plurality of distal artificial chordae tendineae which are connected to said guide shaft and said pseudo-annulus ring for limiting the movement of said pseudo-annulus ring in a proximal direction.
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Abstract
Inflatable heart valve implants and methods utilizing those valves designed to reduce or eliminate the regurgitant jet associated with an incompetent atrioventricular valve. The heart valve implants, which are deployed via a transcatheter venous approach, comprise an inflatable balloon portion movably connected to an anchored guide shaft and movable from a distal position in the ventricle to a more proximal position between leaflets of a native atrioventricular valve. The range of movement of the inflatable valve body can be adjusted in situ after or before the guide shaft has been anchored to native heart tissue during surgery.
36 Citations
24 Claims
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1. A heart valve implant comprising:
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a guide shaft comprising a first end and a second end; an anchor coupled to said guide shaft proximate said first end; an inflatable valve body movably connected to said guide shaft within a predetermined range of movement, said inflatable valve body comprising an outer diameter; range limiting structure which limits the range of movement of said inflatable valve body relative to said guide shaft comprising; a pseudo-annulus ring having an internal diameter which is smaller than said outer diameter of said inflatable valve body, a plurality of proximal artificial chordae tendineae which are connected to said guide shaft and to said pseudo-annulus ring for limiting the movement of said pseudo-annulus ring in a distal direction, and a plurality of distal artificial chordae tendineae which are connected to said guide shaft and said pseudo-annulus ring for limiting the movement of said pseudo-annulus ring in a proximal direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A heart valve implant comprising:
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a guide shaft comprising a first end and a second end; an anchor coupled to said guide shaft proximate said first end; an inflatable valve body slidably connected to said guide shaft within a predetermined range of movement, said inflatable valve body comprising an outer dimension; and range limiting structure for limiting the range of movement of said inflatable valve body relative to said guide shaft, said range limiting structure comprising; a pseudo-annulus ring comprising an internal dimension which is less than the outer dimension of said inflatable valve body; a plurality of proximal flexible filaments connected to said pseudo-annulus ring and said guide shaft which limit the range of movement of said inflatable valve body relative to said guide shaft in a distal direction, and a plurality of distal flexible filaments connected to said pseudo-annulus ring and said guide shaft which limit the range of movement of said inflatable valve body relative to said guide shaft in a proximal direction. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22)
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23. A method of deploying a heart valve implant in a patient comprising the steps of:
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providing a heart valve implant comprising; a guide shaft comprising a first end and a second end; an anchor coupled to said guide shaft proximate said first end; an inflatable valve body slidably connected to said guide shaft within a predetermined range of movement, said inflatable valve body comprising an outer dimension; at least one range limiting structure which limits the range of movement of said inflatable valve body relative to said guide shaft, said range limiting structure comprising; a pseudo-annulus ring having an internal diameter which is smaller than said outer diameter of said inflatable valve body, a plurality of proximal artificial chordae tendineae which are connected to said guide shaft and to said pseudo-annulus ring for limiting the movement of said pseudo-annulus ring in a distal direction, and a plurality of distal artificial chordae tendineae which are connected to said guide shaft and said pseudo-annulus ring for limiting the movement of said pseudo-annulus ring in a proximal direction; positioning said heart valve implant at least partially within a heart via a transcatheter venous procedure; securing said anchor to native heart tissue; and adjusting the range of movement of said inflatable valve body relative to said guide shaft. - View Dependent Claims (24)
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Specification
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Current AssigneeGeorge Kramer
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Original AssigneeGeorge Kramer
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InventorsKramer, George
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Primary Examiner(s)WEISBERG, AMY REGINA
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Application NumberUS14/272,145Publication NumberTime in Patent Office1,231 DaysField of Search623 211US Class CurrentCPC Class CodesA61F 2/2433 using balloon catheterA61F 2/2457 Chordae tendineae prosthesesA61F 2/246 Devices for obstructing a l...A61F 2250/0003 having an inflatable pocket...
