Three -way catheter

The utility model discloses a three -way catheter, including the catheter main part, diversion channels has in the catheter main part, catheter main part end -to -end connection has drainage joint, catheter main part side is provided with the sacculus, catheter main part opposite side is provided with firstly, the drainage hole is excreteed to the second, the catheter main part outside has the strip of development, this development strip passes the sacculus and its length direction is unanimous with the catheter main part, it aerifys the passageway to be provided with in the catheter main part, should aerify passageway one end and sacculus intercommunication, the other end is connected with the gas -charging connection, still be provided with irrigation channel in the catheter main part, this irrigation channel one end has the flushing hole, the other end is connected with and washes the joint. In the above -mentioned structure, through observing the position that the strip that develops can pinpoint the sacculus, avoid bringing out patient's discomfort. Adopting the sacculus structure of unilateral face, can not oppressing trigone of bladder and excrete the drainage hole, catheterization drainage effect is better. And, need not to change for the flushing pipe alright wash the treatment, be favorable to alleviateing patient's misery.