PROBLEM TO BE SOLVED: To provide a droplet volume estimation device that achieves accuracy in the estimation of a droplet volume as much as possible while simplifying and miniaturizing a structure and processing in estimating the droplet volume for giving an infusion to a patient with an accurate amount without complicating the structure and processing, and provide an infusion device having that function for giving an infusion to a patient with an accurate amount as close to a measured value as possible.SOLUTION: Dripping in a drip tube is recognized by a dripping sensor in step 10, dripping intervals are measured in step 131, and if there is a trend in the dripping intervals, a timing of image acquisition by an imaging sensor is determined and an image of a droplet is acquired in steps 133 and 134. A droplet volume is calculated in step 135, and the dripping intervals according to the volume calculation are determined in step 136. If the dripping intervals are not the same as the present dripping intervals as a result, the flow rate is adjusted by a flow rate adjustment unit (tube clamp) in step 137.SELECTED DRAWING: Figure 9COPYRIGHT: (C)2017,JPO&INPIT【課題】 正確な量で患者に輸液を行うために液滴の体積を推定する際の構造と処理を複雑化せずに簡単にして小型化を図りながらも液滴の体積の推定についてもできるだけ正確性を求めた液滴体積推定装置と、その機能を有して可能な限り実測値に近い正確な量で患者に輸液を行う輸液装置を提供する。【解決手段】 ステップ(step10)で落滴センサによる点滴筒における落滴の認識が行われ、ステップ(step131)で落滴間隔の計測が行われ、落滴間隔のトレンドがあれば、ステップ(step133,134)では撮像センサによる画像の取得タイミングが確定して液滴の画像の取得が行われる。ステップ(step135)では液滴の体積の計算が行われ、ステップ(step136)では体積計算に準じた落滴間隔が確定する。その結果、ステップ(step137)では現在の落滴間隔と同じでなければ流量調整部(チューブクランプ)による流量の調整が行われる。【選択図】 図9
