PROBLEM TO BE SOLVED: To provide a speech valve that can open and close an opening by a patients simple operation.SOLUTION: A speech valve 1A includes: a body part 2 applied to a breath opening 101 of a tracheostomy tube 100, and having a passage part 3 in communication with the breath opening 101 a balloon 4 capable of operating between an open state for opening the passage part 3 of the body part 2 and a closed state for closing the passage part 3 a syringe 5 provided apart from the body part 4, and accepting a push-up operation of a plunger 5d by the patient and a connecting tube 6 for connecting the syringe 5 with the balloon 4, and changing the balloon 4 in a deflated state into an expansion state by the operation to the syringe 5 to operate from the open state to the closed state.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT【課題】患者の簡単な操作で開口を開閉できるスピーチバルブを提供する。【解決手段】スピーチバルブ1Aは、気管切開チューブ100の呼吸口101に適用され、呼吸口101に通じる通路部3を有する本体部2と、本体部2の通路部3を開放する開状態と通路部3を閉鎖する閉状態との間で動作可能なバルーン4と、本体部4から離れて設けられ、患者によるプランジャ5dの押し込み操作を受け付けるシリンジ5と、シリンジ5とバルーン4とを連結し、シリンジ5に対する操作によって収縮状態のバルーン4を膨張状態に変化させて開状態から閉状態への動作させる連結チューブ6とを備える。【選択図】図1
