High Quality Low Cost TumourTumour Knee Knee · PDF fileHigh Quality Low Cost TumourTumour...
Transcript of High Quality Low Cost TumourTumour Knee Knee · PDF fileHigh Quality Low Cost TumourTumour...
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High Quality Low Cost High Quality Low Cost TumourTumour Knee ProsthesisKnee Prosthesis
Team OrthoCAD
Mechanical Engineering DepartmentMechanical Engineering Department IIT Bombay, Mumbai
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Bone tumor in children:b t t d
Frugal ManufacturingModular rotating hinge knee prosthesis
OrthoCAD Project [Funded by the Office of the Principal Scientific Advisor to the Govt. of India]
cancer can be treated but limb is amputated
RP ► wax pattern ► investment casting
Ti‐6Al‐4VStem
HAHA Collar
Co‐Cr‐MoCondyle
Walking SimulatorImplant Safetyand Accuracy
Symphony
UHMWPETibial Poly
Walking Simulatorand Accuracy
CAD model
RP model
Final Prosthesis
Surgery plan
Limb saving surgery:
OrthoSYS: 3D surgery planning software
NovelSurgicalInstruments
g g yResect tumour bone, reconstruct gap using prosthesis (imported)
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How It Started
F b 2004 T t M i l H it lFeb 2004, Tata Memorial Hospital
First GMRS TKP implantation in India by Dr. Manish Agarwal
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Indigenous Knee Prosthesis: Implantation
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Orthopaedic and other Reconstruction Projects
Maxillofacial Reconstruction by Distraction Osteogenesis
Auricular Reconstruction
Pelvic Joint Reconstruction
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Tumour Knee Prosthesis – High Quality – by Design and Testing
Anatomy Functionality
Structural Safety Service Lifey
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Tumour Knee Prosthesis – Low Cost – by Frugal Manufacturing
Material Characteristics
Co‐Cr High wear resistance
Ti‐Al‐V Strength/weight ratio
UHMWPE Low friction and wear
Certified Biomaterials Hot Die Forming
Metal Casting Finish Machining g g
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Prosthesis Implantation – High Accuracy – by Novel Instruments
Femoral Measurement and Cutting JigError‐prone protocol replaced with guided device
PATENT
Tibial Cutting Jig ensures cutting plane is perpendicular to bone canalTibial Cutting Jig ensures cutting plane is perpendicular to bone canal
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Prosthesis Implantation – Less Surgery Time – by Preop Planning
3D Model Bone StockDeformitiesLandmarksCT Images
Selection Alignment
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Stress AnalysisFEM Mesh
Project Lead Time Compression – by CAx Integration
3D CADModel
FEM Mesh
FEM Analysis
Voxel model
CondyleModel
RP Model Ceramic ShellCasting Simulation
CNC Tool Path
Computer navigation Casting Simulation
CNC Tool PathAutomated Inspection
CNC Machining
Cast CondyleFinish Condyle
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Knowledge Dissemination – Clinicians, Teachers, Students
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Knowledge Dissemination – Print Media and Publications
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Further Directions – Clinical Trials and OrthoCAD Phase II
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New Collaborations – Medical Institutes and Hospitals
Network Enabled Medical Diagnosis & EducationNetwork Enabled Medical Diagnosis & Education in Skeletal Imaging using X‐RaysAIIMS and NIC
Indigenous Arthritic Knee Anatomy and Implant
ARTHRITIC KNEENORMAL KNEE
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New Collaborations – Orthopedics Manufacturers
Indigenous ShoulderIndigenous Shoulder and Elbow ProsthesisSushrut Surgicals
Safety Evaluation of Bone Plates
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OrthoCAD Lab – Refurbishment (March‐July 2009)
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OrthoCAD Lab – Today
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OrthoCAD Team – IIT B, NFTDC Hyderabad, Dr. Manish Agarwal
Thank you!PSA’ Office & PRMC: Dr. R. Chidambaram, Mr. Neeraj Sinha, Dr. P.P. Kotwal, Dr. G. Bhuvaneshwar, Dr. V.K. Suri, Dr. S. Rastogi
NFTDC Hyderabad: Dr. K. Balasubramanian, Nirmal Panda, Nagsen Phule, Nitin Kanoongo, Shiva Gautam, P. K. Jayakumar,
Thank you!
D. Lokeshwara Rao, Sarika Mishra, Shireesha, Rati Ranjana, M. Govinda Raju, Udai Raj Kumar, Soby Verghase, Satyam Babu
IITB Project Team: K. Subburaj, Rupesh Ghyar, Sandeep Anasane, Vikas Karade, Ravi Kumar, Himanshu Mangal, Kapil Kumar Rathi, Shanta Kumar, Siddharth Sekhsaria, Anshul Pandey, Ajay Kashyap, Amar Jadhav, Chinmay Kantak, Soumyojit Sen
IITB Admin: Prof. D.V. Khakhar, Prof. R.K. Mallik, Prof. K.V.K. Rao, Prof. Prof. S.L. Bapat. IDC: Prof. B.K. Chakravarthy, , , p y
IRCC: Prof. K. Ramamritham, Prof. Kurien Issac, Prof. Rangan Banerjee, Sandhya Gholkar Varada Kulkarni, Ravindra Gaikwad
Estate Office: V.B. Mamdapur, K.R.P. Unnithan, Rajesh Mate, Mr. B.K. Sahoo, Adhare, Bagde, Shaikh; Lalit Asso.: Rajiv Shah
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Challenge – Growing Children – Minimal / Non‐Invasive Solution