| 摘要 |
Preferred embodiment Fig. 1, comprises a novel transdermal delivery device for insuring longer shelf life of unstable drugs comprising a patch for disbursement of therapeutic drugs to the skin of a user; said patch comprising an inbuilt injection port in which the user injects the diluent and/or active ingredient(s) into the drug reservoir to activate said drug delivery device, wherein the device comprises various permeablity rate-controlling membranes to accommodate a specific drug being introduced to the device, wherein upon removing the protective outer layer, of the preferred embodiment Fig.1. the device is ready to be placed on the skin by the patient. Additional embodiment replaces the injection port with a separate sealed diluent pouch reservoir.
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