| 摘要 |
An instrument insert for a uretero-renoscope comprises a hollow elongate shaft proximally connectible through an outer shaft of the uretero-renoscope and having an optical system extending through it. A steerable deflector device for a flexible auxiliary instrument extending through the insert being provided proximally adjacent the distal objective of the optical system, whereby the distal end of an instrument such as a cannula passing through the insert shaft can be guided from the proximal end of the uretero-renoscope while being viewed through the optical system.
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