The technology was developed under conventional osmotic pump controlled release tablets,it is designed to release drug by orifice produced by porogen instead of laer drilling.As water enters the tablet,porogen is released and forms tunnel. The dissolved drug enters Digestive system through tunnels and is absorbed.
Advantages:
Reduce production cost without laser drilling
Avoid the orifice to be blocked for a plenty of tunnels on the on the semi-permeable membrane
It was created to be easier to commercialize under china manufacturing condition for osmotic pump.
The technology is pending international patent.
It is used to make for: Hydrochloride Venlafaxine, Tartrate Metoprolol, Hydrochloride Diltiazem, Hydrochloride Donepezil etc.

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