| 摘要 |
PURPOSE:To recover broken pieces to the outside of the body cavity without allowing the broken piece to fall and scatter in the body cavity even when a cup is broken during the operation, by coating the surface of the cup with a resin film preventing the falling and scattering of the broken pieces due to the breakage of the cup. CONSTITUTION:A plurality of cups 4A, 4B or pawls for sampling live tissue are provided to the leading end part of the treatment instrument 1 for an endoscope and subjected to opening and closing operation by the operation on this side. The surface of each of the above-mentioned cups or pawls is coated with a resin film 13 for preventing the falling and scattering of the broken pieces due to the breakage of said cup or pawl. As a result, even if the cups or pawls are broken, the broken pieces can be recovered to the outside of the body cavity without falling or scattering in the body cavity. |
