Interventional catheter with three dimensional articulation
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Jun 19, 2003
app pub date -
Dec 14, 2001
filing date -
Dec 14, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present invention relates to a catheter incorporating an articulating distal end, including a catheter body with a central lumen and an outer wall in which are one or more wires, and a handle including mechanisms for applying tension to the wires. Applying tension to a wire will cause a bending portion of the catheter to bend into an arc. When more than one wire or tensioning member and more than one mechanism for applying tension are included in the catheter, the wires are offset from each other so that multiple bends on multiple planes may be formed in multiple bending portions in the body of the catheter. The present invention further relates to a catheter including one wire, and a handle including a mechanism for applying tension to the wire, the wire and the catheter body configured so that applying tension to a wire will cause more than one bending portion of the catheter to bend into an arc, and the bending portions are made of different durometer material. The present invention further relates to a method of using a catheter to access a heart chamber of a patient and locate the distal end of the catheter proximate a shunt located in a wall of the heart.
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