The present invention relates toConcerning the tricuspid valve counterflow deviceMore specifically,Tricuspid valve, located between the right atrium and the right ventricle of the heartTricuspid regurgitation, which is a disease in which the right ventricle blood reflows to the right atrium through the orifice which is not properly closedThe present invention relates to a tricuspid valve counterflow device which is easily inserted through the inferior vena cava to the pulmonary artery to treat tr.In a tricuspid regurgitation syndrome instrument, a pulmonary arterial fixed member placed in the pulmonary artery, a inferior vena cava fixed member placed in the inferior vena cava, a connecting tube connecting the pulmonary arteriovenous fixed member and the inferior vena cava fixed member, and blocking blocking the orifice caused by an incomplete closure of the tricuspid valve Including sections.本発明は、三尖弁逆流症手術用器具に係り、より詳細には、心臓の右心房と右心室との間に位置する三尖弁（Ｔｒｉｃｕｓｐｉｄ Ｖａｌｖｅ、ＴＶ）が正しく閉められないため生じるオリフィスを介して右心室の血液が右心房に逆流する疾患である三尖弁逆流症（Ｔｒｉｃｕｓｐｉｄ Ｒｅｇｕｒｇｉｔａｔｉｏｎ、ＴＲ）を治療するために下大静脈－三尖弁－肺動脈を介して簡単に挿入される三尖弁逆流症手術用器具に関する。三尖弁逆流症手術用器具において、肺動脈に設置される肺動脈固定部材、下大静脈に設置される下大静脈固定部材、前記肺動脈固定部材と前記下大静脈固定部材とを連結する連結チューブ、及び三尖弁の不完全な閉鎖現象により発生するオリフィスを塞ぐ遮断部を含む。
