Silicon micromachined hollow microneedles for transdermal liquid transfer

Johannes G.E. Gardeniers, Johan W. Berenschot, Meint J. de Boer, Y. Yeshurun, M. Hefetz, R. van 't Oever, Albert van den Berg

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Abstract

This paper presents an improved design and fabrication process [ 13 for hollow micro needles with the proper mechanical strength and sharpness to be applied for painless transdermal transfer of liquids. Tests have shown that liquids like blood are drawn into the needle by capillary forces, reducing the need for active pumping. The fabrication method allows different needle shapes like blades and pencils, is robust enough to be applied for largerscale production, and enables the development of a complete micro-TAS for e.g. blood analysis.
Original languageEnglish
Title of host publication Technical Digest. MEMS 2002 IEEE International Conference. Fifteenth IEEE International Conference on Micro Electro Mechanical Systems
Pages-
DOIs
Publication statusPublished - 20 Jan 2002
Event15th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2002 - Las Vegas, United States
Duration: 20 Jan 200224 Jan 2002
Conference number: 15

Conference

Conference15th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2002
Abbreviated titleMEMS
CountryUnited States
CityLas Vegas
Period20/01/0224/01/02

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Keywords

  • METIS-206365
  • IR-43327

Cite this

Gardeniers, J. G. E., Berenschot, J. W., de Boer, M. J., Yeshurun, Y., Hefetz, M., van 't Oever, R., & van den Berg, A. (2002). Silicon micromachined hollow microneedles for transdermal liquid transfer. In Technical Digest. MEMS 2002 IEEE International Conference. Fifteenth IEEE International Conference on Micro Electro Mechanical Systems (pp. -) https://doi.org/10.1109/MEMSYS.2002.984224