Device for dispensing a material that has a limited period of utility, where the comprendeuna device first part (1) containing the material and a second part (2), wherein the first and second tienenmedios of mutual coupling and can be disengaged to allow the material to be dispensed, in queel device also includes an electronically controlled timer and, located within the device, means (14) control that can be activated to initiate a period of use whose duration is determined pordicho electronically controlled timer and, at the end of this period, they make the first part and part lasegunda engage permanently.
展开▼
