Method and apparatus for minimally invasive treatment of chronic venous insufficiency
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United States of America Patent
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Sep 22, 1998
Issued Date -
N/A
app pub date -
Mar 6, 1997
filing date -
Dec 30, 1994
priority date (Note) -
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Abstract
The invention is embodied in an appliance or a prosthesis and a delivery catheter for use in a vein for minimally invasive treatment of chronic venous insufficiency. The system and method of the invention eliminate the need for open surgical valve repair procedures, obviate the need for arm vein transplantation into the leg, and allow patients to return to their former active lifestyles without the limitations currently associated with the treatment of this condition. An incompetent valve to be repaired is identified by injected contrast through the delivery catheter or similar means and the catheter is positioned at that valve, a clip appliance or similar prosthesis is deployed from the catheter and affixed to the valve. Next, the delivery catheter is repositioned and appliances or prostheses are deployed on sequentially lower valves until all desired valves are repaired and functionally competent.
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