Cardiac device and methods of use thereof
First Claim
Patent Images
1. A diastolic recoil device adapted for percutaneous delivery to a heart of a patient comprising a plurality of radially expandable resilient ribs connected at their distal ends to a central hub, wherein said ribs are adapted to anchor to a wall of a ventricle of said heart to store energy provided by said ventricle during systole and to provide an elastic recoil force to said wall of said ventricle during diastole.
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Abstract
Devices and methods are described herein which are directed to the treatment of a patient'"'"'s heart having, or one which is susceptible to heart failure, to improve diastolic function.
378 Citations
80 Claims
- 1. A diastolic recoil device adapted for percutaneous delivery to a heart of a patient comprising a plurality of radially expandable resilient ribs connected at their distal ends to a central hub, wherein said ribs are adapted to anchor to a wall of a ventricle of said heart to store energy provided by said ventricle during systole and to provide an elastic recoil force to said wall of said ventricle during diastole.
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12. A method of treating a patient suffering from a heart condition comprising:
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advancing percutaneously a collapsed diastolic recoil device comprising a plurality of radially expandable resilient ribs connected at their distal ends to a central hub;
expanding said ribs in a ventricle of said heart; and
, securing said device to opposing walls of said ventricle thereby providing elastic support between said opposing ventricular walls. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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36. A diastolic recoil device adapted for percutaneous delivery to a ventricle of a heart of a patient comprising a plurality of radially expandable resilient ribs coupled at their distal ends to a central hub, wherein said ribs are adapted to augment ventricle wall movement during diastole.
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37. A method of treating a patient suffering from a heart condition comprising:
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advancing percutaneously into the patient'"'"'s heart a collapsed diastolic recoil device comprising a plurality of radially expandable resilient ribs connected at their distal ends to a central hub and having an anchor element at a proximal end of each of said ribs;
expanding said ribs in a ventricle of said heart; and
, securing said device to a selected area of a wall of said ventricle with said anchor elements thereby augmenting a ventricular wall movement during diastole.
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38. An diastolic recoil device adapted for percutaneous delivery to a heart of a patient comprising:
- a plurality of radially expandable resilient ribs connected at their distal ends to a central hub and one or more anchor elements at each of said proximal ends of said ribs adapted to secure said device to a selected area of a wall within a ventricle of said heart, wherein said ribs are adapted to support said wall and decrease the stress in said wall, thereby limiting remodeling of said heart.
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39. A method of treating a patient suffering from a heart condition comprising:
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advancing percutaneously a collapsed diastolic recoil device comprising a plurality of radially expandable ribs connected at their distal ends to a central hub, a membrane coupled to said ribs, and having an anchor element at the proximal end of each of said ribs;
expanding said ribs in a ventricle of a heart; and
,securing said device to a selected area of a wall of said ventricle with said anchor elements wherein said ribs are adapted for supporting walls of said ventricle to decrease stress in said walls of said ventricle thereby limiting remodeling of said heart.
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40. A diastolic recoil device adapted for percutaneous delivery to a heart of a patient comprising a plurality of radially expandable ribs connected at their distal ends to a central hub, wherein said ribs are adapted to reduce diastolic pressure of a ventricle of said heart when disposed in said ventricle.
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41. A method of treating a heart of a patient comprising:
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advancing percutaneously a collapsed diastolic recoil device comprising a plurality of radially expandable ribs connected at their distal ends to a central hub and having an anchor element at a proximal end of each of said ribs;
expanding said ribs in a ventricle of said heart; and
,securing said device to a selected area of a wall of said ventricle with said anchor elements thereby reducing diastolic pressure of said ventricle of said heart.
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42. A method of reducing mitral valve regurgitation in a heart of a patient comprising:
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advancing percutaneously a collapsed diastolic recoil device comprising a plurality of radially expandable ribs connected at their distal ends to a central hub and having an anchor element at the proximal end of each of said ribs;
expanding said ribs in a ventricle of said heart; and
,securing said device to a selected area of a wall of said ventricle with said anchor elements thereby reducing mitral valve regurgitation.
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43. A diastolic recoil device adapted for percutaneous delivery to a heart of a patient comprising a plurality of radially expandable ribs connected at their distal ends to a central hub;
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a plurality of anchor elements attached to a plurality of said ribs at their proximal ends wherein said anchor elements are adapted to secure said device to a wall of a ventricle of said heart; and
,wherein said device is adapted to reduce a volume of said ventricle to improve a pressure-volume relationship of said ventricle of said heart.
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- 44. A diastolic recoil device comprising a resiliently deformable member and a plurality of anchors, said device being adapted to be delivered percutaneously to and anchored within the interior of a ventricle of a patient'"'"'s heart to span a region of said ventricle, said resiliently deformable member being adapted to deform from a first shape to a second shape during systole and to return to said first shape during diastole to assist in expansion of said ventricle.
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55. A method of treating a patient suffering from a heart condition comprising:
- advancing percutaneously to the interior of a ventricle of the patient'"'"'s heart a diastolic recoil device comprising a resiliently deformable member and a plurality of anchors;
securing said devices to opposing wall sections of said ventricle with said anchors;
deforming said deformable member as said opposing wall sections move toward each other during systole; and
providing a recoil force from said deformable member to said wall sections during diastole. - View Dependent Claims (56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78)
- advancing percutaneously to the interior of a ventricle of the patient'"'"'s heart a diastolic recoil device comprising a resiliently deformable member and a plurality of anchors;
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79. A diastolic recoil device comprising a resiliently deformable member and a plurality of anchors, the device being adapted to be delivered percutaneously to and anchored within the interior of a ventricle of a patient'"'"'s heart to span a region of the ventricle, said resiliently deformable member being adapted to store energy during systole and release said stored energy back to a wall of said ventricle in synchrony with a heart cycle.
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80. A method of treating a patient suffering from a heart condition comprising:
advancing percutaneously to the interior of a ventricle of the patient'"'"'s heart a diastolic recoil device comprising a resiliently deformable member and a plurality of anchors;
securing said device to opposing wall sections of said ventricle with said anchors;
storing energy within said deformable member as said opposing wall sections move toward each other during systole; and
releasing energy from said deformable member to said wall sections as said opposing wall sections move away from each other in synchrony with a heart cycle.
Specification