| abstract |
The present invention relates to transdermal therapeutic systems (TTS) comprising a timing device, such as an electronic timing device, particularly a thin electronic timing device. The timing device may be a part of the TTS support layer, bonded thereto or used in place thereof. The device generally includes a pre-programmed or pre-designed timer, an activation and / or reset button for starting or resetting the timer, and an indicator, such as a visual indicator, for alerting the patient when the delay time has elapsed. administration has passed. |