3D printing has applications in healthcare for rapid prototyping of medical devices and tools. The document discusses various 3D printing methods like fused deposition modeling (FDM), light polymerization, and selective laser sintering, as well as considerations for medical-grade 3D printing like regulations, materials, and sterilization. Examples of healthcare applications include non-invasive tools and wearable devices. The document provides resources for 3D models and troubleshooting guides.

1. 3D Printing for Healthcare
Roy van den Heuvel, 2015

2. 3D Printing for Healthcare
 Why?
 Fundamentals of 3D Printing
 3D Printing for medical applications
 Materials
 Examples
 Sources

3. “Growing up in a world that tells a lot of people what they
cannot do and the desire to make a world where we tell
little kids like me that they can do anything.”
Why?

4. Crossing the gap between Engineers & Doctors

5. Moving towards a Participatory Mindset
Sanders, 2008

6. Inspiration / hands-on experience for all stakeholders
van den Heuvel, 2014

7. Rapid application
of new ideas
and knowledge
Van de Beukering, 2014

8. Accessible,
inexpensive and
scalable complexity
Nervous System

9. Creative expression
Disney, 2015

10. Fundamentals of 3D Printing
• 3D Printing
• 3D Software

11. 3D Printing Methods
• FDM
• Light Polymerized (SLA/DLP)
• Powder Bed (SLS/SLM)
• CLIP/other

12. Fused Deposition Modeling
• Affordable
• Printers from EUR ~500,-
• 30 EUR for 750g
• Speed
• Accessible
• Limited form freedom
• Tinker-heavy

13. Fused Deposition Modeling
1. Extruder
2. Layered filament
3. (Heated) printbed
Cartesian: XYZ

14. Fused Deposition Modeling
 Extruder
 Hotend
 Nozzle
 Fans

15. Fused Deposition Modeling
 Filament
 Layers
 Infill
 Support

16. Fused Deposition Modeling
 Printbed
 Temperature
 Surface
 Raft/Brim

17. Light Polymerization
• Bit pricey
• Printers from 3K – 300K
• 1300 EUR for 2kg (objet)
• Material choices
• Resin-based (Support)
• Form freedom
• (semi-) Professional

18. Light Polymerization
• Resin deposition
• Resin curing (UV/laser)
• Post Processing

19. Light Polymerization
• Resin deposition
• Resin layers
• Multi Materials
• Spray/Bath

20. Light Polymerization
• Resin curing
• UV light (connex)
• DLP
• Laser (form1)

21. Light Polymerization
• Post Processing
• Snap-off
• Water-jet

22. Selective Laser Sintering
• Professional
• Very pricey
• High end results
• Lots of materials
• Accurate
• Powder based

23. Selective Laser Sintering
• Powder deposition
• Laser sintering
• Reusable support

24. Selective Laser Sintering
• Powder deposition
• All kinds of powders
• Plastics
• Metals
• Ceramics
• Composites
• Fragile

25. Selective Laser Sintering
• Laser Sintering

26. Selective Laser Sintering
• Laser Sintering
• Strong bonds
• Alloys

27. Selective Laser Sintering
• Reusable Support

28. CLIP

29. 3D Modeling
 CAD
 Surface
 Sketchup / 123D / etc.

30. Computer Aided Design

31. Computer Aided Design
 Parametric: constraints whose values determine
the shape or geometry of the model
 Design intent: how the creator of the part wants it
to respond to changes and updates
 Features: the shapes and operations that construct
the part

32. Computer Aided Design

33. Computer Aided Design

34. Surface Modeling

35. Surface Modeling

36. Surface Modeling

37. Surface Modeling

38. Surface Modeling

39. 3D Modeling Software
• CAD Solidworks, Autodesk Inventor, Fusion 360
• Surface Blender, 3DS MAX, Rhino (Grashopper)
• Beginner ThinkerCAD, 123D Design, Sketchup

40. 3D Scanning

41. 3D Scanning

42. Materials (FDM)
• Plastics
• PLA (Polylactic acid)
• ABS (Acrylonitril-butadieen-styrene)
• PET (Polyethylene terephthalate)
• Nylon (Polyamide)
• Flexible plastics (TPE with polyurethane base)
• Composites
• Carbon Fiber
• Metalfill (copper, brass, etc.)
• Woodfill (bamboo, wood, etc.)
• Others (coffee, beer, etc.)

43. Material Properties (FDM)
• Strength
• Stiffness / Flex
• Heat resistance / warp
• Durability
• Food Safe / Sterility
• Support structures
• Printing Temperature
• Bed adhesion
• Shrinkage
• Surface smoothness
• Layer bonding
• Print difficulty
• Chemical resistance
• Photosensitivity
• Brittleness
• Colors
• Fumes
• Cost

44. Material Properties (FDM)

45. 3D Printing for Healthcare
• First stage
• Prototyping for user impressions
• Prototyping for ergonomics, functionality, aesthetics
• Testing in non-medical or home-environment
• Second Stage
• Implementing safety (electronic, mechanical, etc.)
• Making it sterilizable (temp, UV, chem)
• Tackling guidelines (ISO)
• Medical Ethical Committees

46. 3D Printing for Healthcare
For who are you designing?
 Medical Professionals (strict regulation)
 Home Care (medium regulation)
 DIY community (open source healthcare supplies) (no reg)
What is the use case?
 Tool
 Installation
 Wearable

47. 3D Printing for Healthcare
For who are you designing?
 Medical Professionals (strict regulation)
 Home Care (medium regulation)
 DIY community (open source healthcare supplies) (no reg)
What is the use case?
 Tool
 Installation
 Wearable

48. Medical Grade

49. Medical Grade

50. Medical Grade

51. Medical Grade

52. Medical Grade

53. Medical Grade

54. Medical Grade

55. Medical Grade

56. Non invasive Healthcare

57. Non invasive Healthcare

58. Non invasive Healthcare
Mark Thielen, 2015

59. Open Source Community
Enablingthefuture.org

60. Open Source Community
Hu-Go, Thingiverse

61. Open Source Community
http://www.appropedia.org/

62. Sources
3D Print Models
 Thingiverse
 Youmagine
 Archive3D
 GrabCAD
 3D printing tips & tricks
 https://www.simplify3d.com Troubleshooting Guide
 Learn.colorfabb.com
 Ultimaker Community Forums
 http://support.3dverkstan.se/article/30-getting-better-
prints

63. Cool stuff