PROBLEM TO BE SOLVED: To provide a negative pressure therapeutic device maintaining the inside of a covering sheet at a desired pressure value by allowing adjustment of a pressure value inside the covering sheet that is in an excessive negative pressure state.SOLUTION: This negative pressure therapeutic device 10 discharging a fluid from inside the covering sheet S while maintaining the inside of the covering sheet S covering a wound part W in a negative pressure state comprises: a pressure measurement means 1 measuring a pressure inside the covering sheet S a storage vessel 2 storing the fluid through a first flow passage 11 communicating with the inside of the covering sheet S a suction means 3 sucking air inside the storage vessel 2 through a second flow passage 12 communicating with the storage vessel 2, and sucking the fluid from inside the covering sheet S through the first flow passage 11 and a supply means 4 supplying air into the storage vessel 2 through a third flow passage 13 communicating with the inside of the storage vessel 2.COPYRIGHT: (C)2012,JPO&INPIT【課題】過陰圧状態にある被覆シートの内側の圧力値の調整を行うことを可能とし、被覆シートの内側を所望の圧力値に保つことができる陰圧治療装置を提供すること。【解決手段】被覆シートSの内側の圧力を測定する圧力測定手段1と、被覆シートSの内側に通じる第1流路11を通じて流体を収容する収容容器2と、収容容器2内に通じる第2流路12を通じて収容容器2内の空気を吸引し、第1流路11を通じて被覆シートSの内側から流体を吸引する吸引手段3と、収容容器2内に連通する第3流路13を通じて収容容器2内に空気を供給する供給手段4と、により、創傷部Wを覆う被覆シートSの内側を陰圧状態に保ちながら、被覆シートSの内側から流体を排出する陰圧治療装置10を構成した。【選択図】図1
