PROBLEM TO BE SOLVED: To easily and surely align a needle of requiring treatment of the tip, on a holder, in a needle alignment device.SOLUTION: An empty holder 5 of not arranging an injection needle 50 is placed on a base member 2, and an input box 6 is arranged in a starting position A of a rail member 3, and while moving the input box 6 along the rail member 3, the injection needle 50 is supplied to an input port 6c, and the injection needle 50 coming out of the input port 6c is slid while being sandwiched in a clearance between a guide surface 8a and an upper surface of a holder 5, and the injection needle 50 sandwiched in the clearance is fitted one by one in an arranging recessed groove 5a in a place of the arranging recessed groove 5a, and is moved up to a terminal position B of the rail member 3.COPYRIGHT: (C)2016,JPO&INPIT【課題】針整列装置において先端の処理が必要な針をホルダ上に簡単かつ確実に整列させる。【解決手段】注射針50が配列されていない空のホルダ5をベース部材2に載置し、投入箱6をレール部材3の開始位置Aに配置し、投入箱6をレール部材3に沿って移動させながら投入口6cへ注射針50を供給すると共に、投入口6cから出てくる注射針50をガイド面8aとホルダ5の上面との間の隙間に挟んだまま滑らせ、隙間に挟まれた注射針50を配列用凹溝5aのところで配列用凹溝5aに1本ずつ嵌まり込ませるようにしてレール部材3の終点位置Bまで移動させる。【選択図】図1