Tensioning device, system, and method for treating mitral valve regurgitation
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United States of America Patent
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-
Jan 8, 2008
Grant Date -
Dec 23, 2004
app pub date -
Jun 14, 2004
filing date -
Jun 20, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system for treating mitral valve regurgitation comprises a tensioning device slidably received within a delivery catheter. The tensioning device includes a tether linking proximal an anchoring member and a distal anchoring member. At least one of the anchoring members includes an elastic portion that flexes in response to a heartbeat when the tensioning device is positioned across a chamber of a heart. The tether includes at least one locking member initially positioned between the anchoring members. A method for treating mitral valve regurgitation comprises piercing a first wall of a chamber of a heart, engaging a distal anchoring member with a second wall of the heart chamber, engaging a proximal anchoring member with the first wall, and pulling a locking member affixed to a tether linking the anchoring members from an initial position between the two anchoring members to a locked position proximal the proximal anchoring member.
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