KTB is popularly known as "green laser" and works with a maximium energy of 80 W, while LBO needs 120 W. Both techniques allow for adequate tissue destruction by vaporization.

The procedure can be monitored by endorectal prostate ultrasound, a technique which we pioneered and have practiced since 2007, which allows us an appropriate view of the photovaporization process. (youtube video). The rate of vaporization is approximately 6 grams in 10 minutes. The procedure can be used on prostates up to 80 grams in weight and in patients that are on anticoagulants. Twenty-four hours after the procedure the urethral probe is removed and the patient is discharged.