The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 14, 2008
Filed:
Aug. 02, 2005
Akihiko Matsumura, Shibuya-ku, JP;
Takehiko Matsumura, Shibuya-ku, JP;
Mizuo Nakayama, Shibuya-ku, JP;
Hidero Akiyama, Shibuya-ku, JP;
Tsutomu Shibata, Shibuya-ku, JP;
Akihiko Tanioka, Ohota-ku, JP;
Akihiko Matsumura, Shibuya-ku, JP;
Takehiko Matsumura, Shibuya-ku, JP;
Mizuo Nakayama, Shibuya-ku, JP;
Hidero Akiyama, Shibuya-ku, JP;
Tsutomu Shibata, Shibuya-ku, JP;
Akihiko Tanioka, Ohota-ku, JP;
TTI ellebeau, Inc., Tokyo, JP;
Abstract
An iontophoresis device includes: a first electrode; a biological interface contact member including a substrate having a front surface and a rear surface, and a plurality of needles that protrude from the front surface of the substrate and can be inserted into a biological interface, the biological interface contact member allowing selective permeation of ions of a first polarity; and a drug holding part applied with an electrical potential or voltage through the first electrode and holding a drug solution containing drug ions charged in the first polarity, the drug holding part being interposed between the first electrode and the biological interface contact member.