Electrode catheter
The electrode catheter comprises a metal inner tube (202) with distal and proximal ends and an outer tube (102) formed of a synthetic resin so as to cover the outside surface of said inner tube (202). The inner tube (202) has a helical slit (203) formed from the distal end to a predetermined positio...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | The electrode catheter comprises a metal inner tube (202) with distal and proximal ends and an outer tube (102) formed of a synthetic resin so as to cover the outside surface of said inner tube (202). The inner tube (202) has a helical slit (203) formed from the distal end to a predetermined position. One or more insulated wires (201) are laid inside the inner tube (202) from the proximal end to the distal end portion, and one or more electrodes (101) are disposed on the outer tube. The wires (201) are brought out of the inner tube (202) through the slit (203) and are connected to the electrodes (101). The electrode catheter has a high pushability and torque-transmission capability along with a high flexibility and kink resistance. It can be easily inserted into a desired position of complexly branched thin blood vessels without kink or breakage of the wires caused by collapse of the lumen. |
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