TecInTex:Technology Integration into Textiles:Empowering HealthGerhard Tröster
Structure• Partners   – ETH Zürich (G. Tröster: Electronics Lab)   – EMPA St Gallen, Dübendorf (R.Rossi, M.Heuberger, F.  ...
Mission of TecInTex:  Provide the core modules to design and to manufacture  sensing and acting textilesFrom fibres to clo...
‚Healthcare Demonstrators‘• NIRS (Near Infrared Spectroscopy)  in socks images O2                                  enough ...
Highlights• Fibers e & o   – protection   – insulation   – sensing• Woven electronics                      May 13, 2011   ...
PU coatings of silver fibres                                2.5                        coating thickness (microns)        ...
Layer-by-Layer Coating      +              Primer      Polyanhydride                  Polyamine        Activated          ...
Piezoresistive strain sensor fiber                     May 13, 2011   G. Tröster   8/1
Tensile TestCyclic tensile (ε= 13-30%) test on woven elastic band (L0= 25mm)with 2 integrated piezoresistive sensor fibres...
O-Fiber: Polymeric Optical Fibers (POF)• Glas PMMA Poly(methyl methacrylate) too brittle and too  thick ( > 250μm)        ...
Melt-Spinning Equipment for Bi-component Fiber                  May 13, 2011   G. Tröster      11/1
First Bi-component Fiber   Oct/Nov 2010                                 Dec 2010   Light attenuation: 47 dB/m             ...
Biosensing using optical Fibers• Monitoring of pH and protease activity in chronical wounds                       May 13, ...
Principle• Sensing layer around the fiber: sol-gel• pH dyes, change in light absorbance                        May 13, 201...
Flexible polymer optical fibers (POF) for biosensing          Sol-gel coated POF                                          ...
E-Stripes: Thin film technology into textiles• Planar thinfilm technology   – Sensors   – Transistors   – Integrated circu...
Weaving Machine                  May 13, 2011   G. Tröster   17/1
Mechanical strain during Weaving                                   R = 165µm              Electronic fiber                ...
IGZO-TFTs : bendable ?                   May 13, 2011   G. Tröster   19/1
VDD                      In                                                      OutAmplifier                    Rf       ...
CO Sensor Polyanaline based                  May 13, 2011   G. Tröster   21/1
Challenges• Adaptation to industrial manufacturing processes• Design of the demonstrator   – clinical environment   – bioc...
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TecInTex

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TecInTex

  1. 1. TecInTex:Technology Integration into Textiles:Empowering HealthGerhard Tröster
  2. 2. Structure• Partners – ETH Zürich (G. Tröster: Electronics Lab) – EMPA St Gallen, Dübendorf (R.Rossi, M.Heuberger, F. Clemens) – CSEM Neuchatel (S.Pasche, J. Luprano) – University Hospital Zurich (M. Wolf) – Paraplegic Center Nottwil (U.Baumberger) – industrial partners May 13, 2011 G. Tröster 2/1
  3. 3. Mission of TecInTex: Provide the core modules to design and to manufacture sensing and acting textilesFrom fibres to clothes to people Fibres Fabrics Clothes Evaluation May 13, 2011 G. Tröster 3/1
  4. 4. ‚Healthcare Demonstrators‘• NIRS (Near Infrared Spectroscopy) in socks images O2 enough O2 – Early detection and lack of O2 Detector treatment of peripheral vascular disease (PVD) Light Source • ‚Intelligent‘ underwear for paraplegic people to prevent and to treat ulcer High decubitus risk May 13, 2011 G. Tröster 4/1
  5. 5. Highlights• Fibers e & o – protection – insulation – sensing• Woven electronics May 13, 2011 G. Tröster 5/1
  6. 6. PU coatings of silver fibres 2.5 coating thickness (microns) 2Coating Thickness- 1.5 Coatings thicker than 22.5 to 3 microns microns have 1 resistance > 1 MΩ 0.5 Resistance (Ω/cm) 0 0 5000 10000 15000 20000 25000 30000 35000 May 13, 2011 G. Tröster 6/1
  7. 7. Layer-by-Layer Coating + Primer Polyanhydride Polyamine Activated Fatty Acid PVAm,(protective) PEI Silver Gantrez PVAm (protective)Silver pure ( corroded) PEI Silver PScMAA May 13, 2011 G. Tröster 7/1
  8. 8. Piezoresistive strain sensor fiber May 13, 2011 G. Tröster 8/1
  9. 9. Tensile TestCyclic tensile (ε= 13-30%) test on woven elastic band (L0= 25mm)with 2 integrated piezoresistive sensor fibres 0.7 30 0.5 25 0.3 20 Resistance [kΩ] Force [N] 0.1 15 13 -0.1 10 11 Relaxation -0.3 5 of 2nd cycle: 1% 9 -0.5 0 0 100 200 300 400 500 600 700 800 Force Resistance Time [s] 7 5 100 150 200 250 May 13, 2011 G. Tröster 9/1
  10. 10. O-Fiber: Polymeric Optical Fibers (POF)• Glas PMMA Poly(methyl methacrylate) too brittle and too thick ( > 250μm) therapy lighting POF sensing May 13, 2011 G. Tröster 10/1
  11. 11. Melt-Spinning Equipment for Bi-component Fiber May 13, 2011 G. Tröster 11/1
  12. 12. First Bi-component Fiber Oct/Nov 2010 Dec 2010 Light attenuation: 47 dB/m Light attenuation: <10dB/m May 13, 2011 G. Tröster 12/1
  13. 13. Biosensing using optical Fibers• Monitoring of pH and protease activity in chronical wounds May 13, 2011 G. Tröster 13/1
  14. 14. Principle• Sensing layer around the fiber: sol-gel• pH dyes, change in light absorbance May 13, 2011 G. Tröster 14/1
  15. 15. Flexible polymer optical fibers (POF) for biosensing Sol-gel coated POF 150 µm polymer fiber May 13, 2011 G. Tröster 15/1
  16. 16. E-Stripes: Thin film technology into textiles• Planar thinfilm technology – Sensors – Transistors – Integrated circuits• Small (< 0.5mm) stripes woven into textiles May 13, 2011 G. Tröster 16/1
  17. 17. Weaving Machine May 13, 2011 G. Tröster 17/1
  18. 18. Mechanical strain during Weaving R = 165µm Electronic fiber 200µm May 13, 2011 G. Tröster 18/1
  19. 19. IGZO-TFTs : bendable ? May 13, 2011 G. Tröster 19/1
  20. 20. VDD In OutAmplifier Rf TFT Out Rl Rf In TFT GND VDD 1 mm May 13, 2011 G. Tröster 20/1
  21. 21. CO Sensor Polyanaline based May 13, 2011 G. Tröster 21/1
  22. 22. Challenges• Adaptation to industrial manufacturing processes• Design of the demonstrator – clinical environment – biocompatibility approval – ethics May 13, 2011 G. Tröster 22/1

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