PROBLEM TO BE SOLVED: To provide a technique relating to a liquid supply apparatus for supplying a liquid to a medical apparatus.SOLUTION: A liquid supply apparatus that supplies a liquid to a medical apparatus includes: a pump mechanism including a first pump capable of alternately performing a liquid suction operation and a liquid feeding operation and a second pump capable of alternately performing a liquid suction operation and a liquid feeding operation a flow path composed of an elastic member and communicating with the pumps for feeding the liquid to the medical apparatus a pressure variation detection unit capable of detecting a variation in internal pressure of the flow path and a flow path deformation unit for deforming the flow path in response to the variation in internal pressure and suppressing a pressure variation of the liquid supplied to the medical apparatus.COPYRIGHT: (C)2014,JPO&INPIT【課題】医療機器に液体を供給する液体供給装置に関する技術を提供する。【解決手段】医療機器に液体を供給する液体供給装置であって、液体の吸入動作と液体の送液動作とを交互に行うことが可能な第1のポンプと、液体の吸入動作と液体の送液動作とを交互に行うことが可能な第2のポンプと、を備えるポンプ機構と、弾性部材を含んで構成され、ポンプと連通し液体を医療機器に供給する流路と、流路の内部圧力の変動を検出可能な圧力変動検出部と、内部圧力の変動に応じて流路を変形させ、医療機器に供給する液体の圧力変動を抑制する流路変形部とを備える。【選択図】図1
