In the present invention the mitral valve Sakuraji treatment is treatment to mitral regurgitation patients , by maintaining a constant tension of Sakuraji yarn by Sakuraji yarn and so as to sustain the effect of tightening the mitral valve annulus , providing a mitral valve Sakuraji treatment equipment that can increase the success rate of the mitral leaflets Sakuraji treatment . Mitral valve Sakuraji treatment equipment of the present invention includes a hollow cylindrical coronary sinus tube is a tube for protecting the coronary sinus tissue ( 22 ) , to protect the tissues of the tricuspid valve membrane and the ventricular septum a hollow cylindrical tricuspid membrane tube is a tube ( 24 ) , while the coronary sinus tubes and the tricuspid valve membrane tube are fixed to each other are extended , respectively , the outer surface of the step portion for ( 28 ) tissue protective tube containing the executive ( 26 ) and provided with a ( 20 ) and internally has a structure inside of the hollow such that the can be inserted tissue protective tube , on the upper surface of closing plate ( 31 ) is provided , wherein the closure plate ( 31 ) two or more holes ( 32 ) is provided , the cap locking projection ( 35 ) is provided corresponding to the engaging step portion of the tissue protective tube ( 30 ) and comprises a , the tissue engaging protrusion of the locking stepped portion of the protective tube (28 ) the cap ( 35) , the mutual separation of the tissue and the protective tube cap is easy , their mutual fitted with a not easy structure by locking . [ Selection Figure ] Figure 1本発明は僧帽弁逆流症患者に施術される僧帽弁膜サークラージ施術において、サークラージ糸の張力を一定に維持して、サークラージ糸が僧帽弁輪を締め付ける効果を持続するようにすることにより、僧帽弁膜サークラージ施術の成功率を高めることが可能な僧帽弁膜サークラージ施術用装置を提供する。本発明の僧帽弁膜サークラージ施術用装置は、冠状静脈洞組織を保護するための中空円筒状のチューブである冠状静脈洞用チューブ(22)と、三尖弁膜および心室中隔の組織を保護するための中空円筒状のチューブである三尖弁膜用チューブ(24)と、前記冠状静脈洞用チューブと前記三尖弁膜用チューブがそれぞれ延長されて互いに固着されるが、外面には係止段部(28)が設けられた幹部(26)とを含む組織保護チューブ(20);および内部に前記組織保護チューブが挿入できるように内部が中空の構造となっており、上面には閉塞板(31
