Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Keizo Ikari0
Koichi Masaoka0
Kiyotsuna Toyohara0
Takashi Oda0
Masaki Ishibashi0
Hidetoshi Hamamoto0
Katsunori Kobayashi0
Date of Patent
May 2, 2017
Patent Application Number
13881322
Date Filed
October 24, 2011
Patent Primary Examiner
Patent abstract
A microneedle and a microneedle array, which have both aspects of safety and easiness to use and can administer a predetermined dose of a medical agent without causing a pain by smoothly running into the skin surface layer of a patient, includes a frustum and a forward end portion thereon, the forward end portion having a forward end apex angle in the range of 15 to 60° and a forward end diameter in the range of 1 to 20 μm and satisfying the expression H/D≧5, where H is a total height of the microneedle, and D is a diameter of a bottom surface of the frustum).
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
