Deflectable tip electrode catheter with nylon stiffener and compression coil
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United States of America Patent
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Oct 27, 1998
Grant Date -
N/A
app pub date -
May 20, 1997
filing date -
May 20, 1997
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A deflectable tip catheter includes an elongated catheter body, a tip section carrying electrodes at the distal end of the catheter body and a control handle at the proximal end of the catheter body. The catheter body has a central lumen and the tip section has a pair of off axis lumens in communication with the central lumen of the catheter body. A compression coil is disposed in the central lumen of the catheter body and is fixedly attached at its proximal and distal ends to the proximal and distal ends of the catheter body by means of glue joints. A tunnel, formed by a short piece of tubing, is provided through each glue joint. A puller wire extends from the control handle, through the compression coil and into one off axis lumen of the tip section and is attached at is distal end to the wall of the tip section. Electrode lead wires pass from the central handle through the tunnels and central lumen of the catheter body and into the other off axis lumen of the tip section and are electrically connected to separate electrodes.
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