Equipment

Services

Adhesive Strength investigations

  • Scratch test ISO 20502
  • Standard adhesive test ISO DIN EN 582 u.13144
  • Bone insertion investigations (laboratory test protocol)

Cell culture laboratory

  • In vitro testing of implant materials using human primary osteoblasts, chondrocytes, PBMCs, and fibroblasts (including eluate testing)
  • Viability assays (WST-1, LDH, live-dead staining, apoptosis/necrosis, cell counting)
  • Immunohistochemical staining and microscopic analyses (phase contrast, fluorescence, dark field, electron microscopy)
  • (Multiplex) ELISA (collagens, cytokines, chemokines, bead-based)
  • Gene expression analyses and OMICs (differentiation, inflammation, signaling pathways)

Clinical Studies

  • implant reliability, endurance and compatibility surveys
  • Gain of knowledge about sources, diagnostics, therapy and prevention of health disorders
  • Evaluation of the obtained data in cooperation with the Institute of Medical Informatics and Biometry

Endurance Testing

  • dynamic fatigue tests for hip endoprostheses according to ISO 7206-4
  • Analysis of subsidence and micromotions (laboratory test protocol)
  • Fatigue test of modular implant components (laboratory test protocol)

Finite-Element-Analysis

  • Evaluations concerning implant dimensioning (design) and reliability
  • Analysis of implant micro motion and primary stability
  • Biomechanical investigations concerning osteosyntheses systems and 3D-scaffold applications
  • Evaluation of range of motion, impingement and luxation behaviour
  • Parameter studies concerning implant positioning and material
  • Dynamic analysis of the impact process during implantation of implants

Motion and Gait Analysis

  • Investigations of hiporthosis
  • Foot pressure measurements
  • Activity measurements
  • Mobile motion and gait analysis
  • Mobile EMG measurements

Multi-Body-Simulation (MBS)

  • Musculoskeletal multibody simulation, e.g. SIMPACK, AnyBody Technology
  • Calculation of joint loads and muscle forces during different movements 
  • Dynamic functional analysis of various endoprosthesis designs

 

Reverse Engineering

  • 3D-reconstruction of osseous structures and soft tissues using CT and MRT data
  • Point cluster surface generation, eg. from laser scans
  • Transfer of discrete polygon surfaces into CAD enabled NURBS free form surfaces

Wear Investigations

  • Hip endoprostheses wear investigation ISO 14242-1
  • Knee endoprostheses wear investigation ISO 14243-1
  • Abrasive wear test between implant surface and bone cement (laboratory test protocol)
  • Abrasive wear test between implant surface and artificial bone using geometrically simplified test samples (laboratory test protocol)
  • Particle analysis according to ASTM-F1877
  • Standard test for impingement of acetabular prosteses according to ASTM F2582-14

Equipment

Cell culture laboratory

  • Cell culture laboratory (cultivation of human primary osteoblasts, chondrocytes, fibroblasts, and monocytes)
  • HERAsafe 2030i 1.2 EN 12469 safety cabinet & CO₂ incubator CB 170
  • Dynamic cell culture
  • Light, phase-contrast, and fluorescence microscopy
  • CytoViva® hyperspectral dark-field microscopy system, DFG major equipment (INST 264-176-1 FUGG)
  • Test systems for biophysical stimulation (including function generators, oscilloscope)
  • Multimode microplate reader
  • qTower for quantitative real-time PCR applications
  • High hydrostatic pressure chamber for cell and tissue analysis
  • Freeze-drying system
  • Microsensors for pH and O₂ measurements
  • Homogenizer for breaking down hard samples
  • Ultrasonic homogenizer

Gait analysis

  • Motion analysis system LUKOtronic Motion Analysis System AS-200
  • Force measuring mat TEKSCAN
  • Telemetric EMG-measuring system NORAXON
  • Activity sensors ACTIVPAL
  • Inertial measuring system XSENS
  • Mobile force sensor (200N, 5000N)

Software

  • Finite-elements-analysis: ABAQUS V6.9, PATRAN 2009, 
  • Reverse Engineering: AMIRA V4.1, GEOMAGIC STUDIO 10
  • CAD: SOLIDWORKS 2008, PRO/ENGINEER WILDFIRE 5
  • Multi-body-system: AnyBody 4, Simpack 8.9
  • LABVIEW 2009
  • Matlab/Simulink 2009
  • Leica Q-Win
  • Mimics Software - 3D Anatomy Software

Test equipment

  • Universal test machine Zwick Roell Z050 - 50 kN
  • Dynamic test machine Instron (100 Nm/ 25 kN)
  • Tribology test: hip simulator (Endolab GmbH, Rosenheim, Deutschland)
  • Tribology test: knee simulator (Endolab GmbH, Rosenheim, Deutschland)
  • Test facility for determination of implant bone interaction and fabrication of wear particles
  • test facility for orthoses and dislocation in hip
  • Micro- / nanoindenter
  • Roll-slide test rig
  • Dynamic 3D analysis system PONTOS (GOM mbH, Braunschweig, Germany)
  • Measurement system for recording relative movements (LVDTs) and deformations (strain gauge system)
  • Surface roughness measuring device
  • AMTI VIVO joint simulator, DFG (INST 2268/17-1 FUGG)
  • Keyence 3D laser scanning microscope VK-X260 (GHS-15-0016)
  • Digital microscope VHX-6000 (GHS-16-0002)
  • Digital microscope VHX-X1 with material analysis unit EA-300 (WIG-24-0050)
  • Electrodynamic testing machine Zwick LTM5 (5 kN)
  • 3D printer Hydra 16A
  • Particle measurement device IZON qNano Gold
  • Compact vibration isolation system halcyonics_i4
  • Rheometer MCR 102