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Fabrication of Microneedles Using Femto-Second Laser Micromachining


Affiliations
1 Nano Manufacturing Technology Centre, CMTI, Bangalore, India
2 Department of Instrumentation and Applied Physics, IISc, Bangalore, India
3 Centre for Nano Science and Engineering, IISc, Bangalore, India
4 Department of Electronic Systems Engineering, IISc, Bangalore, India
     

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In this work, we present the fabrication of hollow steel microneedles for transdermal drug delivery. Hollow steel microneedles are fabricated by laser ablation technique using femto second laser micromachining. A 4x3 array of rectangular microneedles with circular holes are fabricated. The processed hollow steel microneedles are 700 μm in height with 60 μm and 150 μm inner and outer diameters respectively.

Keywords

Micro-Needles, Steel, Femto Second Laser.
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  • Fabrication of Microneedles Using Femto-Second Laser Micromachining

Abstract Views: 229  |  PDF Views: 1

Authors

K. Kiran Kumar
Nano Manufacturing Technology Centre, CMTI, Bangalore, India
V. A. P. Sarma
Nano Manufacturing Technology Centre, CMTI, Bangalore, India
N. Balashanmugam
Nano Manufacturing Technology Centre, CMTI, Bangalore, India
K. B. Vinaya Kumar
Department of Instrumentation and Applied Physics, IISc, Bangalore, India
G. M. Hegde
Centre for Nano Science and Engineering, IISc, Bangalore, India
K. Rajanna
Department of Instrumentation and Applied Physics, IISc, Bangalore, India
M. M. Nayak
Centre for Nano Science and Engineering, IISc, Bangalore, India
N. S. Dinesh
Department of Electronic Systems Engineering, IISc, Bangalore, India

Abstract


In this work, we present the fabrication of hollow steel microneedles for transdermal drug delivery. Hollow steel microneedles are fabricated by laser ablation technique using femto second laser micromachining. A 4x3 array of rectangular microneedles with circular holes are fabricated. The processed hollow steel microneedles are 700 μm in height with 60 μm and 150 μm inner and outer diameters respectively.

Keywords


Micro-Needles, Steel, Femto Second Laser.