A Harnröhrendilatation is used to treat the following: urethral meatus stenosis The contraindications include untreated infections and bleeding diathesis. Dilation can be accomplished using various techniques such. As performed by inflating a balloon or by inserting increasingly larger devices, known as tones. Usually lidocaine, a local anesthetic is first inserted into the penis. Typically, a urethral catheter is left in place after the dilation temporarily to facilitate healing. Sometimes patients will be asked to insert a regular basis at home an instrument in its own urethra.