US scientists have developed a small implantable device that can prevent patients with bladder problems using drugs or electronic stimuli.
The study, published on Wednesday in Nature's magazine, described a soft device that could detect excessive bladder activity and use light bio-integrated LED diodes to control the need for urination.
According to researchers from the University of Washington, Illinois at Urbana-Champaign and Northwestern University, the device worked on laboratory rats who suffer from incontinence or who often feel the need for urination and can one day be used with people,
Before that, people with severe urinary bladder problems have been treated with stimuli that send electrical current to the nerve that controls the bladder, but can also interrupt the normal nervous signal to other organs.
Researchers have planted a device similar to the soft and elastic band around the bladder. As the bladder is full and empty, the belt grows and shrinks.
They also injected proteins called ovule in animal bladders, resulting in neuronal cells in the bladder sensitive to external light signals.
"When the bladder is abnormally emptied, the external device sends a signal that activates micro-LEDs in the bladder and then lights blink to the sensory neurons of the bladder," said Robert Gereau. University of Washington, one of the studios. senior researchers
"It reduces the activity of sensor neurons and restores normal bladder function," said Gereau.
According to researchers, it is likely that the devices for people are built without surgery, using catheters to place them through ureter into urinary bladder.