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1. PREOPERATIVE SURGERY
PLANNING TOOL
USING CT SCANS AND
3D PRINTING

2. FACULTY IN-CHARGE :
DR. KAUSHAL A. DESAI
TEAM MEMBERS :
HARDIK JAIN UG201312011
LAKSHAYA BHATT UG201312018

3. DESCRIPTION
▸ To develop a reliable preoperative
surgery planning tool for orthopedic
surgeries.

4. MOTIVATION

5. “
Planning orthopedic surgeries, prepare doctors
for operations, stimulate educational discussions
and decrease operating room confusion .
MOTIVATION

6. “
Planning orthopedic surgeries, prepare doctors
for operations, stimulate educational discussions
and decrease operating room confusion .
▸ Complexity and Limited accessibility.
MOTIVATION

7. “
Planning orthopedic surgeries, prepare doctors
for operations, stimulate educational discussions
and decrease operating room confusion .
▸ Complexity and Limited accessibility.
▸ Advancing existing solutions.
MOTIVATION

8. “
Planning orthopedic surgeries, prepare doctors
for operations, stimulate educational discussions
and decrease operating room confusion .
▸ Complexity and Limited accessibility.
▸ Advancing existing solutions.
▸ Preplanning tools for operation.
MOTIVATION

9. “
Planning orthopedic surgeries, prepare doctors
for operations, stimulate educational discussions
and decrease operating room confusion .
▸ Complexity and Limited accessibility.
▸ Advancing existing solutions.
▸ Preplanning tools for operation.
▸ Patient-specific.
MOTIVATION

10. “
Planning orthopedic surgeries, prepare doctors
for operations, stimulate educational discussions
and decrease operating room confusion .
▸ Complexity and Limited accessibility.
▸ Advancing existing solutions.
▸ Preplanning tools for operation.
▸ Patient-specific.
▸ Advanced imaging methods are difficult to
quantify.
MOTIVATION

11. “
Planning orthopedic surgeries, prepare doctors
for operations, stimulate educational discussions
and decrease operating room confusion .
▸ Complexity and Limited accessibility.
▸ Advancing existing solutions.
▸ Preplanning tools for operation.
▸ Patient-specific.
▸ Advanced imaging methods are difficult to
quantify.
▸ Increase efficiency and decrease stress.
MOTIVATION

12. CT SCAN - 3D
MODEL
A preoperative surgery
tool

13. 3D MODELS

14. METHODOLOG
Y

15. 1. CT scans(C1) to
CAD model
➢ 3D RECONSTRUCTION
STEPS

16. 1. CT scans(C1) to
CAD model
➢ 3D RECONSTRUCTION
STEPS

17. 1. CT scans(C1) to
CAD model
➢ 3D RECONSTRUCTION
➢ SURFACE RENDERING
STEPS

18. 1. CT scans(C1) to
CAD model
➢ 3D RECONSTRUCTION
➢ SURFACE RENDERING
➢ VOLUME RENDERING
STEPS

19. 1. CT scans(C1) to
CAD model
➢ 3D RECONSTRUCTION
➢ SURFACE RENDERING
➢ VOLUME RENDERING
➢ IMAGE SEGMENTATION
STEPS

20. MODEL
GENERATION
CT SCANS
3D MODEL
RENDERING
SEGMENTATION

21. 2. READY TO PRINT 3D FILE
➢ REPAIRING
➢ REMOVING UNWANTED NOISES
➢ SURFACE INTO SOLID
STEPS

22. MODEL
REPAIRING

23. 3. 3D PRINT OF PROCESSED MODEL M1
AND ITS CT SCAN(C2)
Models with different
▸ Material
▸ Density
▸ Scales
STEPS

24. 3D PRINTING

25. 4. C2 INTO CAD MODEL M2
STEPS

26. C2 TO M2

27. 5. VALIDATION OF RELIABILITY
OF THE PROPOSED TOOL
▸ HAUSDORF METHOD
STEPS

28. 5. VALIDATION OF RELIABILITY
OF THE PROPOSED TOOL
▸ HAUSDORF METHOD
▸ REEB GRAPH METHOD
STEPS

29. HAUSDORF
COMPARISON

30. RESULT

33. CONCLUSION

34. THANK YOU