| 摘要 |
The invention relates to a catheter for removing urea, comprising a flexible tube (1) and an introducing aid (2) which is securely arranged on the insertion side end of the tube (1) for introduction into urethra or into the bladder. The tube (1) comprises at least one opening (4) arranged in the area in front of the introducing aid (2). The invention is characterised in that the introducing aid (2) connects to the tube (1) with an essentially identical diameter and ends with a rounded head area (3), the diameter thereof being at least fractionally bigger than the diameter of the tube (1). |
