| 摘要 |
The present duel-scope colonoscopy system has a primary or parent colonoscope substantially typical of the field, but adapted to incorporate a separate, extended reach secondary or auxiliary colonoscope tool. The insertion tube of the secondary colonoscope tool is received in a tool channel of the parent scope, and is "extended reach" in that the secondary insertion tube is extendable from the tip of the primary insertion tube of the parent scope an additional distance beyond the reach of the primary scope tube. The secondary colonoscope tool is a separate and complete image viewing fiberoptic colonoscope having a flexible, small diameter fiberoptic cable insertion tube of a length sufficient to substantially extend beyond a distal end the insertion tube of the parent endoscope.
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