Wayne R Conrad MD History Total Knee Replacement was developed simultaneously in many centers in the USA and Europe in the early 1970s Polycentric TKR Polished Stainless Steel Alloy Femur ID: 1000710
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1. The Evolution of Total Knee ArthroplastyWayne R Conrad, MD
2. HistoryTotal Knee Replacement was developed simultaneously in many centers in the USA and Europe in the early 1970s Polycentric TKR
3. Polished Stainless Steel Alloy FemurUltra High Molecular Weight Polyethylene Plastic Femur PMMA Cement to BoneFollowed THR Concepts
4. Early Total Knee ReplacementBone Cuts Done by Hand!SawBurrChiselAlignmentBy Eye!By feel of ligament tension!“String”HipAnkle
5. Refinements of mid 70s and 80sBetter Alignment GuidesOn the SurfaceIn the Bone CanalCutting “Jigs” – precise bone cutsMetal backing of Tibia PlasticPatella resurfaceModularityMany Sizes for Femur, Tibia and Patella
6. Bone Cuts - Preparing The Femur
7. Bone Cut “Jigs”
8. Distal Femur Cuts
9. Sizing The Femur
10. Preparing The Tibia
11. Preparing the Patella
12. Cementing The Components
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14. Plastic Articular Spacer
15. PRE OP
16. Post OpRadiographsPRE OP
17. COMPUTER ASSISTED NAVIGATION SURGERYOUTRIGGER LASER REFLECTORS ATTACHED TO THE BONELASER REFLECTOR SCRIBESET UP DETERMINES BONE SIZE AND ANGLESREFLECTORS ON INSTRUMENTS GUIDE BONE CUTS
18. Total Knee Replacement2010 – 693,400!
19. HISTORY OF TOTAL SHOULDER REPLACEMENTTim P. Tymon, M.D.
20. SHOULDER ANATOMY
21. BONEY ANATOMY
22. Indications for Total Shoulder ArthroplastyOsteoarthritisRheumatoid ArthritisAvascular NecrosisFractures
23. Incidents of Arthroplasty53,000 Shoulder Arthroplasty done in the US per year900,000 Hips and Knees replaced per year
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25. Early History1893 – French surgeon Pean inserted platinum and rubber components to replace a shoulder joint destroyed by tuberculosis.1951 – NEER I Vitallium Hemiarthroplasty prosthesis which resulted in pain relief and good function compared to previous options
26. Charles Neer MD
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28. 1973 plastic Glenoid component added
29. NEER Total Shoulder Radiographs
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31. Radiographs
32. Cemented Prosthesis
33. Uncemented Prosthesis
34. Modularity
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36. Reverse Shoulder ArthroplastyDeveloped to treat rotator cuff Arthopathy
37. Paul Grammont MD1985 Developed the Reverse total shoulder in France
38. Used in France since the late 80’sApproved by the FDA in 2004 for use in the USA
39. Current indicationsRotator Cuff ArthropathyProximal Humeral fracturesFracture problemsFixed DislocationsPost Traumatic ArthritisTumorsTSA RevisionsChronic cuff tears without Arthritis
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