Iontophoresis device
First Claim
1. An iontophoresis device, comprising:
- a working electrode assembly and a non-working electrode assembly, for use in administering an ionic drug by iontophoresis; and
a DC electric power source connected to the working electrode assembly and the non-working electrode assembly with opposite polarities;
a rod-shaped member that supports the working electrode assembly and the non-working electrode assembly; and
a holding portion for detachably supporting the rod-shaped member, the working electrode assembly and the non-working electrode assembly being disposed at a tip of the rod-shaped member, and a predetermined amount of spacing being provided between the working electrode assembly and the non-working electrode assembly.
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Accused Products
Abstract
An shaped iontophoresis device is capable of permeating an active agent (e.g., a drug solution) into an oral cavity, a skin cancer, or the like by iontophoresis in a pinpoint manner. A catheter-type iontophoresis device includes a small working electrode assembly and a small non-working electrode assembly at the tip of a holding portion. A first ion exchange membrane and a fourth ion exchange membrane at the tips of the assemblies are brought into close contact with a target area so that a drug solution is permeated by iontophoresis in a pinpoint manner. The working electrode assembly and the non-working electrode assembly 14 are attached to the tip of a rod-shaped member. The rod-shaped member is detachable from the tip of the holding portion, and is exchangeable integrally with the portion. The iontophoresis device may advantageously take the form of a rod or catheter.
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Citations
23 Claims
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1. An iontophoresis device, comprising:
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a working electrode assembly and a non-working electrode assembly, for use in administering an ionic drug by iontophoresis; and
a DC electric power source connected to the working electrode assembly and the non-working electrode assembly with opposite polarities;
a rod-shaped member that supports the working electrode assembly and the non-working electrode assembly; and
a holding portion for detachably supporting the rod-shaped member, the working electrode assembly and the non-working electrode assembly being disposed at a tip of the rod-shaped member, and a predetermined amount of spacing being provided between the working electrode assembly and the non-working electrode assembly. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification