| 摘要 |
A rod-type iontophoresis device 10 includes a small working side electrode assembly 12 and a small non-working side electrode assembly 14 at the tip of a holding portion 20, wherein a first ion exchange membrane 44 and a fourth ion exchange membrane 54 at the tips of the assemblies are brought into close contact with, for example, the site of a skin cancer so that a drug solution is permeated by iontophoresis in a pinpoint manner, the working side electrode assembly 12 and the non-working side electrode assembly 14 are attached to the tip of a rod-like member 16, the rod-like member 16 is detachable from the tip of the holding portion 20, and is exchangeable integrally with the portion.
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