The present invention provides a foreign matter removing device that can remove foreign matter more efficiently and a foreign matter removing device using the foreign matter removing device. A foreign matter removing instrument in which wire screens 21 and 22 each having a plurality of wires having a polygonal cross-sectional shape arranged at a predetermined interval are overlapped in the front and rear, and the corners of the polygon are on the front side. Deploy. [Selection] Figure 5【課題】より効率的に異物を除去できる異物除去器具及びこの異物除去器具を用いた異物除去装置を提供する。【解決手段】断面形状が多角形である多数のワイヤーを所定間隔で配置したワイヤースクリーン２１、２２を前後に２段以上重ねてなる異物除去器具であって、多角形の角部を前面側に配置する。【選択図】図５
