abstract |
A novel drug delivery device is provided. The device of the present invention is permeable to API and / or semi-permeable to at least one core comprising a first active pharmaceutical ingredient (API); covering at least a portion of at least one of said cores. A first coating layer that is permeable; a second coating layer that is impermeable to the API covering at least a portion of the first coating layer; and a delivery that provides a path for the API to pass through the second coating layer Includes windows. [Selection] Figure 1 |