3D printing in complex arthroplasty & acetabulum #Dr Vaibhav BagariaMBBS, MS, FCPSConsultant Hip & Knee SurgeonSir HN Reliance Foundation Hospital,Mumbai, India
Quick surveyHow many of us believe in Preoperative planning?How many of us have heard of 3D Printing?
bit hyped up?
Succesful Surgery
Understanding the # pattern/ AnatomyGood ReductionChoosing the Right ImplantContouring it WellAccurate well defined screw trajectories
What is 3D P or RP?Rapid Prototyping is a group of techniques that is used to quickly fabricate a scale model of a physical part or assembly using three dimensional computer aided design (CAD) data.
RP process Rapid Prototyping is a method in which the part is created by additive process.Using a specialized software (MIMICS), a 3-D CAD model is cut into very thin layers or cross-sections. RP machine constructs the part layer by layer until solid replica of the CAD model is generated. The model can then be used for various purpose in our case for surgical simulation and implant instrument designing.
process flow
Step 1& II CT SCAN image Processing
Obtain DIACOM Files
Step III: Rapid Prototyping
Video of 3D Printing
Conventional Use
Orthopedic applicationSurgical simulation for complex fractures like acetabulum, Spine, Calcaneum, periarticular #.Planning osteotomy & deformity correction.Customized Prosthesis Design for revision and difficult casePatient Specific instrumentation for enhanced intraoperative accuracy & Ease.Modify Existing Prosthesis design to suit local needs
process flow
case example25 year old male H/o RTAAcetabular fractureAssoc injury: Lower 1/3 radius #
ct scan
software
rP model
rp video
surgical simulation
operating procedure
post op ct scans
Pelvic Diastasis
Post Column
bicolumnar #
Contouring Video
Joint replacement Bone e defects
Revision Hip video
Case: unreduced dislocation for THR
SImulating with reamer
DEfect Planning
Knowing Bone status
ASR fans: Centre localistion
Advantages of RPReduced the surgical timeBetter understanding of the Fracture configuration Decreased the requirement of anesthetic dosageDecreased intra-operative blood lossHelped to achieve near anatomical reduction
LimitationCostTimeInfrastructureOperator dependantPreoperative effort
publications
book Chapter & patents
In development
Acknowledgments
www.drbagaria.com
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