Download - Medical Textiles e
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Head of Department: Univ.-Prof. Dr.-Ing. Dipl.-Wirt. Ing. Thomas Gries
ITA – Partner in medical technologies
Latest developments in medical textile products
MedicineChemistry SpinningYarn
modification
Textile
productionFinishing Tailoring
Testing techniques
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ITA – Partner in medical technologie
Latest developments in medical textile products
MedicineChemistry SpinningYarn
modification
Textile
productionFinishing Tailoring
Testing techniques
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ITA as Partner
for research and development of textiles for applications in medical technology
Development of new manufacturing processes
Design and construction of new components, devices, machines and production systems
Development and production of medical textiles and functional elements
Development of testing techniques and devices
Testing of medical textile products and allostatic samples
Joint development of operating techniques
for cooperation with interdisciplinary research partners:
MedicineChemistry SpinningYarn
modification
Textile
productionFinishing Tailoring
Testing techniques
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Selected projects
“Tissue Engineering – in vitro construction of small autologous vascular grafts by the use of an
autologous fibrin gel scaffold” (BIOMAT.)
“Analysis of the influence of textile scaffolds on adult human stemm cells” (NRW)
“Impact of growth factors on chondrocytes in 3-D matrices using micro spheres as a new
release system” (BIOMAT.)
“Preadipocytes in a new types of textile scaffolds” (Holste Stiftung)
“Co-polyester-amide with controllable degradable comportment as replacement for textile
implant materials based on lactic respectively lactic-co-glycolid” (AiF-ZuTech)
“Degradable drainage implant for minimally invasive Glaucomasurgery” (BIOMAT.)
“Study of the processing properties of Nitinol for the production of textile structures”
(AiF-Zutech)
MedicineChemistry SpinningYarn
modification
Textile
productionFinishing Tailoring
Testing techniques
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Why textile implants?
Biocompatible materials
Material combinations
2D- and 3D-structures
Mechanical characteristic adapted to the
environment
Adjustable macroscopic structure
Specific surface design
Controllable degradation
(Source: ITMC)
MedicineChemistry SpinningYarn
modification
Textile
productionFinishing Tailoring
Testing techniques
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At present access to external
machines, pilot spinning facilities
under construction
Blending with additives
Processing of resorbable and non-
resorbable polymers
Production of mono- and multi-
filaments
Different fineness
Production of specific surfaces
Adjustments of the mechanical and
chemical properties
MedicineChemistry SpinningYarn
modification
Textile
productionFinishing Tailoring
Testing techniques
PVDF multifilament
(filament ∅ 17 µm, 30 filaments)
Spinneret
PVDF monofilament (∅ 60 µm)
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Various machine technologies
Material combinations
Subsequent treatment of the spun
filaments
Filament structuring
Production of specific yarnstructures
Adjustment of the mechanical and
chemical characteristics
Transfer into suitable form for
processing
Coatings
MedicineChemistry SpinningYarn
modification
Textile
productionFinishing Tailoring
Testing techniques
Ply twister
Air jet texturing machine
Air-jet textured yarn
0,1 mm
False twist textured yarn
0,1 mm
Plied yarn
1 mm
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Especially designed raschel warp
knitting machine
Various materials and materialcombinations
Processing of smallest quantities
Production of flat fabrics and
branched tubular structures withvarious geometries
Varying yarn fineness (diameter
from 10 to 300 µm)
Adjustable elastic characteristics
Material combinations
Surface structuring
MedicineChemistry SpinningYarn
modification
Textile
productionFinishing Tailoring
Testing techniques
Raschel warp knitting machine
Vascular grafts
Warp knitting
Artificial cornea
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Patented 3D-braiding machine
(3rd generation)
Various materials and material
combinations
Variable fineness
3D-braiding with continuous
geometry modification
Adjustable elastic characteristics
Surface structuring
Incorporation of functional
substances
Quellenangabe: Arial 12
Bildunterschrift: Arial 16
MedicineChemistry SpinningYarn
modification
Textile
productionFinishing Tailoring
Testing techniques
Braiding
3D-braiding machine
Alloplastic cruciate ligament
3D-braids
1 mm
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Aerodynamic nonwovens production
Bonding by needling
Processing of various resorbable filaments
Optimised ratio of material and volume
Structures for a guided tissue regeneration
Multi-layer structures
Production of nonwovens structures
with various shapes
Production of specific surface structures
Incorporation of bioactive substances
(e.g. micro spheres)
Especially designed reinforcements
Small scale production
Chemistry MedicineSpinningYarn
modification
Textile
productionFinishing Tailoring
Testing techniques
Nonwovens manufacturing
Aerodynamic non-
wovens production
Resorbable nonwovens
Needle loom
Micro spheres in nonwovens
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Laboratory scale and industrial
weaving machines
Various materials and material
combinations
Processing of smallest quantities
Production of fabrics with different
weaves
Surface structuring
MedicineChemistry SpinningYarn
modification
Textile
productionFinishing Tailoring
Testing techniques
Weaving
Narrow weaving machine
Nitinol woven fabric
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Use of external systems
Finishing of textile structures
with bioactive substances
Incorporation of unstable
thermal active substances
Formation of biofilms prevented
Improvement of the cell
adhesion
Surface structuring
MedicineChemistry SpinningYarn
modification
Textile
productionFinishing Tailoring
Testing techniques
Plasma coating(Source: iplas GmbH)
Cell cultures(Source: ITMC)
Cell cultivation in Bioreactor (Source: ACT-Lab)
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Sewing and embroidering
technologies
Various materials and materialcombinations
Variable fineness
Tailoring of textile structures
Production of composites
Reinforcements
Free selection of geometries
Well-directed accumulation of
material
MedicineChemistry SpinningYarn
modification
Textile
productionFinishing Tailoring
Testing techniques
CNC-sewing machine
CNC-embroidery machineReinforcement of
artificial cornea
Stitching of Nitinol
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Textile testing laboratory at
ITA
Adaptation of available testing
methods
Development of new testing
methods and equipment
Construction of new testing
devices
Testing of medical textile
products and allostaticsamples
MedicineChemistry SpinningYarn
modification
Textile
productionFinishing Tailoring
Testing techniques
Knee testing device
Friction testing deviceBladder testing device
Vascular graft testing device(IBMT)
Test of cartilage
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29 Scientific employees
17 Technical employees
5 Office workers
4 Apprentices
57 Graduate research assistants
MedicineChemistry SpinningYarn
modification
Textile
productionFinishing Tailoring
Testing techniques
ITA machine halls in Aachen
“The ITA: overall view“
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MedicineChemistry SpinningYarn
modification
Textile
productionFinishing Tailoring
Testing techniques
Management / Head of Department:
Univ.-Prof. Dr.-Ing. Dipl.-Wirt. Ing. Th. GriesDr.-Ing. K. Klopp (Head engineer)
Akad. Oberrat Dr.-Ing. D. Veit
Laboratories / Workshops:
Testing laboratory: M. Steffens
Microscopy: M. Rohs
Electrical laboratory: M. v. Thenen
Construction: D. Mergl
Software: Dipl.-Ing. C. Kozik
Contact us!
Research groups:
• Medical textiles: Dipl.-Ing. F. Budillon• Technical textiles: Dipl.-Ing. A. Kolkmann
• Filament yarns: Dipl.-Ing. R. Ramakers
• Spinning: Dipl.-Ing. I. Mählmann
• Weaving: Dipl.-Ing. H. Wilbrand-Ludwig
• Textile economics: N.N.
Tel. : ++49 (0) 241 / 80 956 21 Fax : ++49 (0) 241 / 80 921 49
E-mail: [email protected] http://www.ita.rwth-aachen.de
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Main Focus of the Research Groups
Head of Department:
Univ.-Prof. Dr.-Ing. Dipl.-Wirt. Ing. Thomas Gries
Textile Future
starts with us!
Textile Future
made in Aachen!
ITA-Presentation:
Head of Department:
Univ.-Prof. Dr.-Ing. Dipl.-Wirt. Ing. Thomas Gries
Quality Control:
up-dated versions are available as
downloads on our homepage
http://www.ita.rwth-aachen.de
Weaving Technology:
Head of Department:
Univ.-Prof. Dr.-Ing. Dipl.-Wirt. Ing. Thomas Gries
The ITA as a Partner in Weaving Technology
Technical Textiles:
Head of Department:
Univ.-Prof. Dr.-Ing. Dipl.-Wirt. Ing. Thomas Gries
From the Fibre to the finished Textile andComposite Part
Competencein Textile Technology
and MechanicalEngineering
The ITA as a partner for special
solutions in quality control and process analysis
Library:
Institutsdirektor:
Univ.-Prof. Dr.-Ing. Dipl.-Wirt. Ing. Thomas Gries
Das ITA als Partner bei der
Informationsbeschaffung zu textilen Themen
only available in German language!
Head of Department:
Univ.-Prof. Dr.-Ing. Dipl.-Wirt. Ing. Thomas Gries
From Fibre to Yarn
Competence in Textile Technology
and Mechanical Engineering
Fibre Yarn Technology:
Assembling/clothing
technology:
Head of Department:
Univ.-Prof. Dr.-Ing. Dipl.-Wirt. Ing. Thomas Gries
The ITA as a Partner
in assembling/clothing technology
only available in German language!
Man-made Fibre Technology:
Head of Department:
Univ.-Prof. Dr.-Ing. Dipl.-Wirt. Ing. Thomas Gries
Innovation in Dialogue With The Industry
Filament-Yarn-Technology at the Institute of Textile Technology