| 摘要 |
The invention relates to endoscopes specially laparoscopes of known art with an external shaft through which passes a channel for guiding instruments and a fibre light conductor and an optic. According the invention the channel of the shaft is increased in its inner diameter and the diameter of the optic is decreased in such a manner that now not only usual instruments being present in a practice but also instruments can pass the channel which have an increased diameter for instance the fixing of clips or elastic rings onto a Fallopian tube.
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