The utility model relates to the field of medical device technology, specifically to an electrocardiogram chest lead suction ball electrode, which includes an elastic suction ball, a metal cylindrical electrode, and a wiring post. The lower end of the elastic suction ball is equipped with an elastic connection sleeve, and the lower end of the metal cylindrical electrode is equipped with a bowl shaped suction cup. The wiring post is installed on the metal cylindrical electrode, and the elastic connection sleeve at the lower end of the elastic suction ball is sleeved on the metal cylindrical electrode. The feature is that the elastic connection sleeve is sleeved with a fastening ring, which is fixedly connected to the wiring post through a positioning piece to achieve the function of fastening and positioning, and to prevent the suction ball from falling off. The utility model adopts the above structure, which has the advantages of simple structure, convenient use, and avoiding the suction ball from falling off.
A chest lead suction electrode for electrocardiogram, comprising an elastic suction ball, a metal cylindrical electrode, and a terminal block. The lower end of the elastic suction ball is equipped with an elastic connection sleeve, and the lower end of the metal cylindrical electrode is equipped with a bowl shaped suction cup. The terminal block is installed on the metal cylindrical electrode, and the elastic connection sleeve at the lower end of the elastic suction ball is sleeved on the metal cylinder of the metal cylindrical electrode. The feature is that the elastic connection sleeve is sleeved with a fastening ring, which is fixedly connected to the terminal block through a positioning piece.