Systems for heart treatment
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Abstract
Described are devices and methods for treating degenerative, congestive heart disease and related valvular dysfunction. Percutaneous and minimally invasive surgical tensioning structures offer devices that mitigate changes in the ventricular structure (i.e., remodeling) and deterioration of global left ventricular performance related to tissue damage precipitating from ischemia, acute myocardial infarction (AMI) or other abnormalities. These tensioning structures can be implanted within various major coronary blood-carrying conduit structures (arteries, veins and branching vessels), into or through myocardium, or into engagement with other anatomic structures that impact cardiac output to provide tensile support to the heart muscle wall which resists diastolic filling pressure while simultaneously providing a compressive force to the muscle wall to limit, compensate or provide therapeutic treatment for congestive heart failure and/or to reverse the remodeling that produces an enlarged heart.
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Citations
65 Claims
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1-50. -50. (canceled)
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51. A method of mitral valve treatment using a coronary sinus, the method comprising:
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positioning an elongate member in the coronary sinus, anchoring proximal and distal ends of the member, and applying tension to the elongate member to apply force on the mitral valve to improve valve function. - View Dependent Claims (52, 53, 54, 55, 56, 57, 58, 59, 60, 61)
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62. A method of treating a heart, said method comprising:
- providing a tensioning device comprising a proximal anchor, a distal anchor, and an elongate member adapted to be engaged in tension between said anchors, positioning and securing said distal anchor in a vessel adjacent said heart, positioning and securing said proximal anchor at a location selected from a vessel adjacent the heart, an ostium of the heart and a valve, wherein tension is applied between said anchors by said elongate member.
- View Dependent Claims (63, 64, 65)
Specification