| 摘要 |
A surgical instrument for performing a uterine cervical conization has a pair of elongated arms pivotally connected together intermediate their ends for scissor-like relative motion. One arm includes a coextensive probe at one end sized to be inserted through the cervical canal. The corresponding end of the other arm secures a cutter in position forming an acute cutting angle relative to the probe with the apex of the angle located adjacent to the distal end of the probe. Locking means is provided for releasably locking the arms in at least one predetermined relative pivotal position and consequently the cutter at a corresponding predetermined cutting angle relative to the probe. In use, the probe is inserted through the cervical canal with the cutter piercing the cervical tissue. At a sufficient depth, the arms and cutter are locked into position and the instrument is rotated about the axis of the probe to excise a cone-shaped tissue sample from about the mouth of the uterine cervix.
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