Final PowerPoint for prosthetic socket
Transcript of Final PowerPoint for prosthetic socket
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Final Technical Presentation For Manufacturing A Prosthetic Socket
Presented For: Dave Lewis, Darlene Webb, and Greg King
BCIT Mechanical Engineering Department
Presented By: Kevin Yu
Presented Date: May 7th 2015
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Agenda Introduction Sponsors Manufacturing Processes Schedule Budget Problems Outcome Questions
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Introduction
A Prosthetic Socket
Fig 1. Prosthetic socket sample Fig 2. Prosthetic socket sample
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Background
What is a prosthetic socket?
Fig 3. Prosthetic Limbhttp://www.mccleveop.com/prosthetics/below-knee-amputation/
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Purpose To create a Prosthetic socket in a short amount of time Current method:
Plaster mold Have to sculpt mold
Method Used: Use 3D scanning and CAD software 3D Printing
Fig 4. Plaster Mold http://biomedical.materialise.com/cases/step-forward-below-knee-prosthesis-socket-design
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3D Technology Potential
Scanned data can be stored for future usage
Scanned geometry is more accurate
Virtual testing
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Sponsors
Caroline Soo, B.Sc., M.Sc., DipT P&O Research Coordinator at BCIT Clinical Prosthetics and Orthotics, School of Health
Sciences
Johanne Mattie, MASc BCIT’s MAKE+ Technology Centre
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Manufacturing Process – Project Breakdown
Designing • 3D scanning• 3D modelling
Manufacturing• 3D Printing
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Manufacturing Process – Step By Step Process
3D Scanning
CAD Modelling
3D Printing
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3D Scanning
VX Elements
1 Hour scan time
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CAD Model
Fig 6. Right Side of Point Cloud Model Fig 7. Right Side of View 3D Model
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CAD Model
Fig 9. Right Side of Point Cloud ModelFig 8. SolidWorks Design Tree
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3D Printing
ZPrinter® 310 Plus
Fortus 400mc
Fig 10. ZPrinter® 310 Plus Fig 11. Fortus 400mc
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3D Printing
Binder: ZB60Powder: ZP131
9 Different Thermoplastics - Polycarbonate (PC)
Fig 12. Prototype Socket Fig 13. Final Prosthetic Socket
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Problems
Scaling
Major modifications causes error
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Proposed BudgetBillable $/hr Hours Cost
Designing 20 120 $2,040
Student Labor 30 48 $960
3D Scanner 15 6 $90
$/Setup # of Setup
3D Printer 45 3 $135
$/gram Weight (gram)
3D Printer Material 0.20 544 $108.5
Total Cost$3133.5
0
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Final BudgetBillable $/hr Hours Cost
Designing 20 180 $3600
Student Labor 20 18 $3603D Scanner 15 1 $15
$/Setup # of Setup 3D Printer 45 3 $135
$/gram Weight (gram)
3D Printer Material 0.20 544 $109
Total Cost $4219
Difference +1085.50
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Cost for ClientBillable $/hr Hours Cost
Designing 20 3 $60
Number of socket made Price
Prosthetic Socket 1 ~$300-$400 $350
Total Cost $410
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Proposed Schedule
Design
Proposal
3D Printing
Spring Break
Modifications
3D Printing
Term Project Report
Oral Presentation Practice
21-Ja
n
31-Ja
n
10-F
eb
20-F
eb
2-M
ar
12-M
ar
22-M
ar
1-Apr
11-A
pr
21-A
pr
1-M
ay
11-M
ay
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Final Schedule
Design
Proposal
Spring Break
Modifications
3D Printing
Term Project Report
Oral Presentation Practice
21-Ja
n
31-Ja
n
10-F
eb
20-F
eb
2-M
ar
12-M
ar
22-M
ar
1-Apr
11-A
pr
21-A
pr
1-M
ay
11-M
ay
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Future Work
Add modifications
Perform Finite Element Analysis (FEA) on socket design
Find a way to import cloud point without SolidWorks down scaling the model
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Outcome
3D scanned a “residual limb”
Created a 3D prosthetic socket
3D printed socket model
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Questions
Fig 14. Question Mark http://images.clipartpanda.com/purple-question-mark-clip-art-question-mark.jpg