... P0406 to P2426, for detail informations, please contact with us by email, fax,or phone.Characteristics:1) The metal mesh of the ... closure is knitted by imported nitinol wire(different size with different thickness), which ... or equal to 4kg.2)Patients are diagnosed as PDA by clinical diagnosis, electrocardiogram, chest film or transthoracic echocardiography, and ...