Iontophoretic transdermal system for the administration of at least two substances
First Claim
1. A transdermal system (1) for the administration of at least two substances through the skin with the aid of an electric current, the transdermal system (1) comprising:
- (a) a reservoir having a storage layer (2) and containing at least two substances,(b) transfer means connected to said reservoir and adapted to be connected to the skin (5) during administration, the transfer means comprising a separating layer (3) adapted to physically separate the substances from one another as they pass through the separating layer (3); and
(c) electrodes (4) adapted to generate a current to transport the substances from the reservoir through the transfer means into the skin (5).
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Accused Products
Abstract
A transdermal system (1) for the administration of at least two substances through the skin with the aid of an electric current has a reservoir, which comprises a storage layer (2) for the substances, and a transfer means, which may be arranged in the form of a separating layer (3), that is connected to both the reservoir and the patient'"'"'s skin (5) during administration. The transdermal system also has electrodes (4) which generate a current that transports the substances from the reservoir into the skin (5). In the transdermal system (1) means for the physical separation of the substances are provided that render possible a sequential administration of the substances.
95 Citations
18 Claims
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1. A transdermal system (1) for the administration of at least two substances through the skin with the aid of an electric current, the transdermal system (1) comprising:
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(a) a reservoir having a storage layer (2) and containing at least two substances, (b) transfer means connected to said reservoir and adapted to be connected to the skin (5) during administration, the transfer means comprising a separating layer (3) adapted to physically separate the substances from one another as they pass through the separating layer (3); and (c) electrodes (4) adapted to generate a current to transport the substances from the reservoir through the transfer means into the skin (5). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification