Electrophysiology/ablation catheter having "halo" configuration
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 27, 2004
Grant Date -
May 30, 2002
app pub date -
Nov 29, 2000
filing date -
Nov 29, 2000
priority date (Note) -
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Abstract
A remotely bi-directional deflectable electrophysiology/ablation catheter of the type intended for placing into an interior passage of the heart is disclosed. The distal end of this elongated tubular catheter has a pair of tension/compression members each with a flattened end portion connected to the distal electrode and extending through the catheter casing and attached to a user moveable actuator for effecting the tension/compression thereon for remotely curling the distal end of the catheter. Spaced ring electrodes are provided adjacent the distal electrode. A permanent bend is pre-formed in the casing and tension/compression members adjacent the ring electrodes about an axis perpendicular to the elongated tension/compression members. Movement of the remote actuator causes the distal portion of the catheter to curl into a 'halo' in a plane perpendicular to the axis along the elongated catheter casing, thus permitting electrical mapping or ablation with the distal and/or ring electrodes about the inner surface of the heart passage into which the 'halo' is formed and situated.
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