A new implant uses light to control overactive bladders

In experiments, the device eliminated rats’ frequent need to pee

optogenetic bladder implant

PEE PATROL  An implant to treat frequent, sudden urges to urinate exploits a technique typically used for controlling brain cells to manipulate nerve cells in the bladder.

Sang Min Won 

A new soft, wireless implant may someday help people who suffer from overactive bladder get through the day with fewer bathroom breaks.