Successive Suturing Device For Endoscope Utilizing Beads

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This paper deals with the designing of instrument for achieving surgical operation in the stomach and gullet using endoscope channel. The method used herein was to provide beads to knot suturing thread automatically. Following design rules were applied : 1) that instrument must be designed to enable surgical operator to stitch successively by only simple handling 2) that instrument must be designed to minimize insertion and extraction of endoscope. The main result from the experiment with animal stomach was that the surgical operation time was reduced and successive suture was available. Considering the requirement of operator‘s highly trained skills and the discomfort of patient in traditional suture process, the proposed design is expected to markedly improve the endoscopic suturing performance.