Pelvic Osteolysis: Evacuation and FillingPlan of ActionProject DescriptionDeliverablesBackground and ConstraintsSlide 6ActionKey Proposed DatesProgress to DateRevised DatesRelevant PapersConsiderationsTwist Stretch: Combined Loading of Psuedoelastic NiTi TubingCyclic Strain vs FractureAffects of Pathway in TubingPowerPoint PresentationSlide 17Slide 18Slide 19Slide 20Progress StatusDependenciesPelvic Osteolysis: Evacuation and FillingFelicia ShayComputer Integrated Surgery IICheckpoint PresentationPlan of Action•Project Description/Deliverables•Project Plan•Key Dates•Progress to Date•Design•Problems Encountered/Solved•DependenciesProject Description•ID material/potential•Plan for tool design•Explore Options•Evaluate•Build tools•TestingDeliverablesMinimal:•Research and documentation of potential material–Tools–Filling•Potential tool design with evaluations and considerations•Bone filler material and analysis of potential materialExpected:•Prototyping of instrument and filling•Modeling and evaluation of each•Potential integration and mechanism for whisking, evacuation and fillingMaximal:•Integration with robotBackground and Constraints•Physiologically•Problem •In the material:–Biocompatibility–Flexibility to access the material•In the shape of lesion•In the design and tools needed:–Need for suction and irrigation–FeasibilityPlan of Action•Project Description/Deliverables•Project Plan•Key Dates•Progress to Date•Design•Problems Encountered/Solved•DependenciesAction•1.0 Communication •2.0 Research–2.1 Tool–2.2 Osteolysis–2.3 Filler•3.0 Optimal design•4.0 Implementation •5.0 Integration and Testing•6.0 DocumentationKey Proposed Dates•2.22.01 Official Start Date•3.1.01 Meetings scheduled/attended and research on potential evacuation and filler material•3.8.01 Research weight bearing material•3.15.01 Read papers, begin brainstorming on designs, purchase material and background reading.•3.22.01 Model different designs and evaluate according to the constraints theoretically•4.7.01 Begin prototyping and testing of different size tubing and wires with tool constraint, filling•4.14.01 Evaluating different prototypes based on evaluation methods•5.1.01 Completion of project and documentationProgress to Date•2.22.01 Official Start Date•3.1.01 Meetings scheduled/attended and research on potential evacuation and filler material•3.8.01 Research weight bearing material•3.15.01 Read papers, begin brainstorming on designs, purchase material and background reading.•3.22.01 Model different designs and evaluate according to the constraints theoretically•4.7.01 Begin prototyping and testing of different size tubing and wires with tool constraint•4.14.01 Evaluating different prototypes based on evaluation methods•5.1.01 Completion of project and documentationRevised Dates•2.22.01 Official Start Date•3.1.01 Meetings scheduled/attended and research on potential evacuation and filler material•3.8.01 Research weight bearing material•3.15.01 Read papers, begin brainstorming on designs, purchase material and background reading.•3.22.01 Model different designs and evaluate according to the constraints theoretically•?????? Begin prototyping and testing of different size tubing and wires with tool constraint•Evaluating different prototypes based on evaluation methods•Completion of project and documentationRelevant Papers•Yang, F., Wu, K.H., Pu, Z. J. “The Effect of Strain Rate and Sample Size Effects on the Superelastic Behavior of Superelastic Alloys” Proceedings of the Second International Conference on Shape Memory and Superelastic Technologies. (CA) 1997, p 23-28.•Berg, B. “Twist and Stretch: Combined Loading of Pseudoelastic NiTi Tubing” Proceedings of the Second International Conference on Shape Memory and Superelastic Technologies. (CA) 1997, 443-448.•Ueki, T., Mogi, H., Horikawa, H. “Torsion Property of Ni-Ti Superelastic Alloy Thin Tubes” Proceedings of the Second International Conference on Shape Memory and Superelastic Technologies. (CA) 1997, 467-472.•Yang, Jianhua. “Fatigue Characterization of Superelastic Nitinol”. Proceedings of the Second International Conference on Shape Memory and Superelastic Technologies. (CA) 1997, 479-484.Considerations•Torque•Repeat cycling (Compression/Tension)–Strain Rate –Fatigue•Angulation to gain access to site•Room for tools and evacuation•Tight fit vs Loose fit•Range of MotionTwist Stretch: Combined Loading of Psuedoelastic NiTi TubingStress Load (M Pa)Unload(M Pa)Strain CalculationTorsion Wire 379.2 172.4 (O.D.)(Angle rotation)/(2L)Tube 296.5 144.8 (O.D.)(Angle rotation)/(2L)Bend Wire 896.4 482.6 (O.D.)(Angle rotation)/(2L)Tube 579.5 262.0 (O.D.)(Angle rotation)/(2L)Cyclic Strain vs FractureAffects of Pathway in Tubing•Considerations:–Irrigations and Suction•Tight fit–I.e. catheter•Spacers–Irrigation and Suction considerations–TrajectoryProgress Status•Problems–Integration with robot•Needs more design +collaboration–Accessing tiny locations•Visible under fluoroscopy•Small end manipulators•Problems–Addressing all considerations and constraintsDependencies•Receipt of the materials to begin