| 摘要 |
A multiple-lumen sheath which fits over a resectoscope and provides an electrosurgical resection energy (radio frequency) return path and at least one irrigant channel, comprising, a sheath body which fits over the resectoscope; a conductor disposed within the sheath body for carrying the electrosurgical resection energy; and an irrigant channel within the sheath body and outside of the conductor, for both carrying irrigant fluid and cooling the conductor.
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