| 摘要 |
<p>An injector instrument for insertion into a forceps channel of an endoscope comprises a flexible fluid supply tube, a needle portion at a distal end of said fluid supply tube, a cover tube in which said fluid supply tube being slidably inserted, and a manipulation element moving said fluid supply tube within said cover tube. A stopper is provided to the distal end of the cover tube. The stopper defines the projecting length of the needle portion. A stroke of the manipulation element is longer than a stroke of the needle portion. <IMAGE></p> |
