PRESSURE CLOSING DEGREE PROCESSING DEVICE, PRESSURE CLOSING DEGREE CONTROL APPARATUS AND PRESSURE CLOSING DEGREE CONTROL SYSTEM

To provide a pressure closing degree processing device, a pressure closing degree control apparatus and a pressure closing degree control system which can highly accurately specify, diagnose and control a pressure closing degree of a roller pump used in an extracorporeal circulation apparatus with a simple configuration.SOLUTION: A pressure closing degree processing device performing processing related to a pressure closing degree of a flexible tube used in a roller pump for an extracorporeal circulation apparatus comprises: a pressing unit; a stationary guide unit which includes a circular arc surface; an imaging unit; and a pressure closing degree specification unit. The pressing unit presses the tube arranged between the stationary guide unit and the pressing unit. The pressure closing degree specification unit calculates a shape of a deformation portion of the tube on the basis of an image obtained by imaging the deformation portion of the tube pressed by the pressing unit with the imaging unit in the tube arranged between the stationary guide unit and the pressing unit, and specifies the pressure closing degree on the basis of the shape of the deformation portion. The pressure closing degree control apparatus includes the pressure closing degree processing device, a pressure closing degree adjustment driving unit and a pressure closing degree adjustment unit.SELECTED DRAWING: Figure 3 【課題】簡単な構成で、体外循環装置に用いられるローラーポンプの圧閉度を高精度に特定、診断、制御することができる圧閉度処理装置、圧閉度制御装置、圧閉度制御システムを提供する。【解決手段】体外循環装置用のローラーポンプに用いられる可撓性のチューブの圧閉度に関する処理を行う圧閉度処理装置であって、押圧部と、円弧状の面を備えた固定ガイド部と、撮像部と、圧閉度特定部とを有し、押圧部は、固定ガイド部と押圧部の間に配置されたチューブを押圧し、圧閉度特定部は、固定ガイド部と押圧部の間に配置されたチューブにおいて、押圧部により押圧されたチューブの変形部分を、撮像部により撮像して得られた画像に基づいて、チューブの変形部分の形状を算出し、変形部分の形状に基づいて圧閉度を特定する。圧閉度制御装置は、圧閉度処理装置、圧閉度調整駆動部及び圧閉度調整部を有する。【選択図】図３