Use of Additive Manufacture in Orthopaedic Implants June 2015
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3D Printing in Medicine Presented by Professor Edward Draper at Additive Manufacturing for Medicine and Dentistry 30 June 2015
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Use of Additive Manufacture in Orthopaedic Implants June 2015
- 1. Use of Additive Manufacture in Orthopaedic Implants Professor Edward Draper Executive Innovation Manager JRI Orthopaedics
- 3. External Funding Total Funding Value £8.8M Total JRI Value £1.3M 11 Grant- Funded Projects JRI Leading on 5 projects
- 7. Mass custom
- 8. Kirby Hitt et al. J Bone Joint Surg Am 2003;85:115-122 ©2003 by The Journal of Bone and Joint Surgery, Inc. Knee Sizing Study Width Depth
- 10. Boring Bit – Validation Measurement Materials Method Design Validation Machine Ultrasonic Cleaning Predicate Benchmark Acceptable level Biocompatibilty Standards Measurement Techniques ElectropolishingPowder Size Sphericity Flow Rate Powder Distribution Jet Milling HIPing Liquid CO2 Powder Recovery Vacuum Nucleation Cycling Porosity Porosity Depth Part position Part OrientationBioburden Geometry Reclaim Powder Spread Chemical Composition Coating - tensile, shear, fatigue, Surface Finish Porous form geometry Surface Finish Mechanical Strength Part tolerance Microstructure Mechanical Properties Worst Case Product Mix Excess Powder not removed from implant Problem Statement Scan Rate Layer Thickness Environmental Factors Powder Handling DataTransfer Measurement Materials Method Design Validation Machine Problem Excess Powder
- 11. More than just metal
- 13. Sensors
- 14. Design freedoms
- 15. Personal Summary • Additive Manufature – Increasingly important – Orthopaedic implants • Not Just custom • Barriers – Validation – Design capability • An exciting future – JRI leading edge
- 17. Thoughts and Notes • 13.30 USE OF ADDITIVE MANUFACTURE IN ORTHOPAEDIC IMPLANTS • With unusual anatomy, building an implant to fit the patient • Based on 3D imaging such as MRI and CT • Use of new materials to enhance bone / implant interface • New design freedoms around sensors
- 18. Thoughts and Notes • Commercial - sensitive • Input – ImplantDirect – With unusual anatomy, building an implant to fit the patient – Based on 3D imaging such as MRI and CT • Mobelife • SCP • Boring bit - validation • In-theatre manufacture • Use of new materials to enhance bone / implant interface • New design freedoms around sensors • Cell sorting Daniel Saris – Bioprinting
Editor's Notes
- The femoral medial-lateral (M/L) measurements versus the anterior-posterior (A/P) measurements (mm) for 337 knees, showing close approximation of the implant size to the morphologic data.