PROBLEM TO BE SOLVED: To provide a syringe pump capable of not only holding the pusher of a syringe surely but also smoothing attaching/detaching operations.SOLUTION: In the syringe pump 1 comprising a syringe holding means 2 for holding a syringe outer cylinder housing a liquid chemical and a pushing means 3 for holding and pushing the pusher inserted to the syringe outer cylinder and extruding the liquid chemical, a pusher holding member 4 capable of clamping and holding the flange part of the pusher with the pressurizing part of the pushing means is provided movably in the axial direction of the syringe.COPYRIGHT: (C)2009,JPO&INPIT【課題】シリンジの押し子を確実に保持できるばかりでなく着脱操作を円滑にできるシリンジポンプを提供する。【解決手段】薬液を収容したシリンジ外筒を保持するシリンジ保持手段2と、上記シリンジ外筒に挿入された押し子を保持するとともに押動させて上記薬液を押し出す押動手段3とを備えるシリンジポンプ1において、上記シリンジの軸方向に移動可能に設けられるとともに、上記押し子のフランジ部を、上記押動手段の押圧部との間で挟圧保持できる押し子保持部材4を設けた。【選択図】図4
