| 摘要 |
PURPOSE: A guider port for an endoscopy surgical instrument is provided to secure a pulling force and easily control the length of a protection tube by using a control ring formed on the protection tube. CONSTITUTION: A guider port(100) for an endoscopic surgical instrument includes a body member(10), a protection tube(20), and a support ring(30). A control ring(40) controls the length of the protection tube and is attached to the inner or outer side of the protection tube. A rail ring makes the guider port horizontally rotate.
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