1. BIOMEDICALENGINEERING DESIGN WB23081Vermelding onderdeel organisatie

2. LECTURE STRUCTURE1. INTRODUCTION CLINICALLY DRIVEN PROBLEM ANALYSIS ASSIGNMENT2. BASIC REQUIREMENTS: REHABILITATION3. BASIC REQUIREMENTS: ORTHOPAEDICS4. PROBLEM ANALYSIS: STUDENT PRESENTATIONS5. DESIGN ENGINEERING: THE CREATIVE PROCESS6. DESIGN ENGINEERING PRINCIPLES7. EXAMPLES: REHABILITATION ORTHOPAEDICS2 3. VIDEO INTRODUCTION INTO PROSTHETICS OLD, BUT STILL UP TO DATE PROS & CONS AUDIO IN DUTCH 42 MINUTES3 4. 4 5. MANY PROSTHESES NOT USED: 40 60 % 1MANY PROSTHESES NOT WORN: 20 40 % 1BECAUSE:CURRENT PROSTHESES DO NOT MATCH EXPECTATIONS1 HACKING, 19985 6. TOO UGLY 6 7. TOO HEAVYOtto Bock Healthcare GmbH7 8. TOO CLUMSY Otto Bock Healthcare GmbH 8 9. COSMESISCOMFORTCONTROL 9 10. WHAT TO DO? PROPER EDUCATION PROSTHESIS ACCORDING STATE OF THE ART NEW PROSTHETIC DESIGNS10 11. EDUCATION11 12. EDUCATION12 13. 13 14. Remember Lindsey Wagner as the "Bionic Woman"?Well, we have the new version...Claudia Mitchell ...and this onesfor real.Source: gather.com & usatoday.com; 20060914 14 15. . controlled by thoughts alone . 15 16. Otto Bock Healthcare GmbH16 17. EDUCATION17 18. EDUCATION18 19. STATE of the ART 19 20. STATE of the ARTF1 F2F1F1R R F2 F220 21. STATE of the ART 21 22. STATE of the ART 22 23. STATE of the ART 23 24. STATE of the ART 24 25. STATE of the ART 25 26. STATE of the ART 26 27. NEW DESIGN REQUIREMENTSCOSMESIS COMFORT CONTROL 27 28. NEW DESIGN REQUIREMENTSCOSMESIS, COMFORT, CONTROL History Time 28 29. NEW DESIGN REQUIREMENTS1967: start of Rehab Treatment Team[WOP], De Hoogstraat Rehab Physician, Physical Therapist, OccupationalTherapist, Social Worker, Prosthetist sometimes also Orthopaedic Surgeon, Psychologist involvement of MFI-TNO and TU-Delft patient-centered!29 30. Today:Collaboration in 4 teams,for children and adults. Rehabilitation Center De Hoogstraat, UtrechtRehabilitation CenterSint Maartenskliniek, Nijmegen30 31. NEW DESIGN REQUIREMENTSLight LichtBeautiful MooiQuiet StilFastSnelUsefulHandigGoodGoedSmall KleinEfficient ZuinigClean Schoon1970 - 1975 31 32. NEW DESIGN REQUIREMENTSLightAbout the weightBeautifulNatural appearanceQuietUnscipisciousFast Slow = annoyingUseful Functional gainGood ReliableSmallFits within normal anatomyEfficientenergy consumptionCleanNo stains and wear of clothing 1970 - 197532 33. NEW DESIGN REQUIREMENTSLicht(Light)Mooi (Beautiful) KosmetiekStil (Quiet) (cosmesis)Snel (Fast)Handig (Useful)Goed (Good)Klein(Small)Zuinig (Efficient)Schoon (Clean) 1970 - 197533 34. NEW DESIGN REQUIREMENTSLicht(Light)Mooi (Beautiful)Stil (Quiet)Snel (Fast)Draagkomfort (wearing comfort)Handig (Useful)Goed (Good)Klein(Small)Zuinig (Efficient)Schoon (Clean) 1970 - 1975 34 35. NEW DESIGN REQUIREMENTSLicht(Light)Mooi (Beautiful)Stil (Quiet)Snel (Fast)Handig (Useful)Goed (Good)Bedieningsgemak (ease of operation)Klein(Small)Zuinig (Efficient)Schoon (Clean) 1970 - 1975 35 36. NEW DESIGN REQUIREMENTSLicht(Light)Mooi (Beautiful) KosmetiekStil (Quiet) (cosmesis)Snel (Fast)Draagkomfort (wearing comfort)Handig (Useful)Goed (Good)Bedieningsgemak (ease of operation)Klein(Small)Zuinig (Efficient)Schoon (Clean) 1970 - 1975 1980 - 1985 36 37. NEW DESIGN REQUIREMENTSLicht(Light)Mooi (Beautiful) Kosmetiek CosmesisStil (Quiet) (cosmesis)Snel (Fast)DraagkomfortComfort (wearing comfort)Handig (Useful)Goed (Good)Bedieningsgemak Control (ease of operation)Klein(Small)Zuinig (Efficient)Schoon (Clean) 1970 - 1975 1980 - 1985 1990 - 199437 38. NEW DESIGN REQUIREMENTSCOSMESIS COMFORT CONTROL 38 39. COSMESIS NATURAL APPEARANCE,BOTH STATICAL & DYNAMICAL SMALL & FLAT, CLOSE TO SKIN LOW MASS LOW WEAR & TEAR OF CLOTHING NO OIL, GREASE, ETC.39 40. COMFORT NORMAL FORCES ONLY; NO SHEAR FORCES MINIMUM NUMBER OF SMALL FITTINGS MAXIMIZE FITTING DISTANCE LOW MASS 40 41. COMFORT41 42. COMFORT NORMAL FORCES ONLY; NO SHEAR FORCES MINIMUM NUMBER OF SMALL FITTINGS MAXIMIZE FITTING DISTANCE LOW MASS PROXIMAL CENTER OF GRAVITY 42 43. COMFORT43 44. COMFORT NORMAL FORCES ONLY; NO SHEAR FORCES MINIMUM NUMBER OF SMALL FITTINGS MAXIMIZE FITTING DISTANCE LOW MASS PROXIMAL CENTER OF GRAVITY ADAPTIVE FITTINGS 44 45. COMFORT45 46. CONTROL disturbance+outputcontroller actuatorprocess-sensor 46 47. CONTROLFEEDBACK IS IMPORTANT! 47 48. CONTROL FEEDBACK IS VERY IMPORTANT! 48 49. CONTROL FEEDBACK IS A NECESSITY ! 49 50. CONTROLvision C NMUSCLEBONEhand forces Shand positiontouch, temp human hand 50 51. CONTROLProstheses should act as a naturalextension of the human body.We pour ourselves out into them andassimilate them as parts of our ownexistence. Simpson, 1974 51 52. CONTROL:EXTENDED PHYSIOLOGICAL PROPRIOCEPTIONDISPLACEMENT UCONTROLCONTROLCONTROL CONTROL YOPENING WIDTHFORCEFu INTERFACE INTERFACESYSTEMSYSTEM FY PINCHING FORCEHUMANPROSTHESIS52 53. CONTROLvisionMUSCLE BONEpinch force Chand opening N S body poweredhand prosthesis53 54. CONTROLvisionMUSCLE C N SMUSCLE myo-electrically controlled handsound, vibration prosthesis54 55. CONTROLCONTROL BY BODY MOVEMENTS:PROVIDES FEEDBACK!CONTROL WITH MYO-SIGNALS:NO FEEDBACK! 55 56. BASIC REQUIREMENTS FOR PROSTHESES:COSMESIS !COMFORT !CONTROL ! 56 57. 57