Tohoku Univ. Technology ：Microneedle Penetration Evaluation System：T22-113
Visualization of Penetration Characteristics and Pharmacokinetics with Dynamic Skin Model
Microneedles deliver drugs by coating or loading therapeutic agents onto fine needles that penetrate tissues and release the drug in a minimally invasive manner. However, pharmacokinetic evaluations have so far relied on the assumption that sufficient drug amounts were successfully administered to achieve therapeutic effect. This has limited the quantitative assessment of safety and efficacy. Our system enables quantitative evaluation of microneedle penetration behavior—such as penetration depth, direction, and the range of affected tissue—within a simulated skin environment that can reproduce mechanical properties like pulsation and viscoelasticity. These features allow realistic replication of the dynamic interactions that occur during microneedle insertion. Using stereo camera–based measurements, the system captures both the physical penetration process and the dynamic deformation of the target with high precision.
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The revenue generated from technology transfer is reinvested as new research funding for universities and researchers, and is utilized to create further research outcomes. To ensure the smooth operation of this cycle, known as the "Intellectual Creation Cycle," we will vigorously promote technology transfer. The types of seeds we handle include patents, know-how, databases, and programs. We have established a collaborative framework by signing basic technology transfer agreements with the following universities (as of June 1, 2025): Tohoku University, Hirosaki University, Iwate University, Akita University, Fukushima University, Yamagata University, Tohoku Gakuin University, Iwate Medical University, Fukushima Medical University, Aizu University, Miyagi University, Hokkaido University, Muroran Institute of Technology, and Showa Medical University.
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