Endoluminal ventricular retention
Assigneeev3 Santa Rosa, Inc.
InventorsJonathan J. Langberg, Michael D. Lesh
Life of this patent
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Abstract
A left ventricle restriction device is designed to be transvenously advanced and deployed within the coronary sinus and in some embodiments other coronary veins. The device places tension on adjacent structures, reducing the diameter and/or limiting diastolic expansion of the left ventricle. This may be beneficial for patients with dilated cardiomyopathy.
Claims20
A method of treating congestive heart failure, comprising the steps of:
- providing an elongate, flexible vascular implant, having a first attachment site spaced axially apart from a second attachment site;
- transluminally advancing the first attachment site on the implant through the coronary sinus and coronary venous system to form the implant into an open loop;
- reducing the size of the open loop to place tension on the coronary sinus and coronary veins;
- and
- attaching the first attachment site to the second attachment site to close the loop and retain tension on the coronary sinus.
A method of limiting diastolic expansion of the left ventricle, comprising positioning a prosthesis in a coronary veinous pathway which surrounds at least a portion of the left ventricle;
- tensioning the prosthesis;
- and attaching a proximal portion of the prosthesis to a distal portion of the prosthesis to form a closed loop for restraining expansion of the left ventricle.
Dependencies are inferred from the claim text.