Mohan’s Urethral Valvotome: A New Instrument

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Abstract
Electrothermic fulguration of posterior urethral valves with a resectoscope is difficult in newborns, especially in small for gestation date and premature newborns because of a small caliber urethra. This difficulty has prompted the innovation of the valvotome described. The outer diameter of the valvotome is 3 mm. and it can be easily introduced without stretching the urethra. This instrument has been used successfully in 8 patients to date. Patient age ranged from 3 days to 31/2 years with varying degrees of hydronephrosis and hydroureter. All patients have a good urinary stream with regression of the hydronephrosis and hydroureter.