Transcatheter coronary sinus mitral valve annuloplasty procedure and coronary artery and myocardial protection device

摘要

A protective device or bridge comprising a central arch is suitable to be placed between an annuplasty device placed in the coronary sinus and an underlying coronary artery to inhibit transmission of compressive force on the coronary artery by the annuplasty device.

主权项

1. A protection device for protecting a coronary artery from compression during catheter-based mitral annuloplasty, the device comprising:
a surgically sterile protective member comprising a proximal free end, a distal free end, and an arch centrally positioned between the proximal and distal free ends, the protective member configured to pass through a transvascular catheter and fit within a coronary sinus of a heart at a location where the coronary sinus passes over a coronary artery of the heart, and the protective member including a passageway extending from the proximal free end to the distal free end of the protective member; a circumferential annuloplasty tension element extending through the passageway of the protective member and configured to extend entirely around the mitral valve and be placed under tension; wherein the arch of the protective member has sufficient rigidity and dimensions to inhibit application of pressure to the coronary artery when the protective member is positioned at said location with the circumferential annuloplasty tension element extending entirely around the mitral valve under tension, causing the arch of the protective member to orient away from the coronary artery, thereby protecting the coronary artery from compression.