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AO Foundation Education Kevin Newman St Peter‘s Hospital, Chertsey, Surrey, UK 1958−2008 History of the AO.

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Presentation on theme: "AO Foundation Education Kevin Newman St Peter‘s Hospital, Chertsey, Surrey, UK 1958−2008 History of the AO."— Presentation transcript:

1 AO Foundation Education Kevin Newman St Peter‘s Hospital, Chertsey, Surrey, UK 1958−2008 History of the AO

2 2 1944 The inspiration for AO Maurice Müller Bern, Switzerland (1918−) met a former soldier who had received a femoral nailing by Gerhard Küntscher Kiel, Germany (1900−1972) military surgeon

3 3 1950 The early years Maurice Müller resident of Liestal, Switzerland (1918−) was on a fellowship in Holland with Cornelis Pieter van Nes Leiden, Netherlands (1897−1972) who advised him to visit Robert Danis in Bruxelles

4 4 1950 Compression plating Robert Danis Bruxelles, Belgium (1880−1962) “Théorie et Pratique de l’Osteosynthèse” coapteur plate for rigid fixation Compression for “per primam” healing Absence of callus “soudure autogène”

5 5 1951 First results of ORIF Maurice Müller Fribourg, Switzerland 75 patients stable fixation early mobilization no complications

6 6 1952 Old army friendships Robert Schneider Maurice Müller

7 7 1954 Documenting trauma Lorenz Böhler Wien, Austria (1885−1973) Accident Hospital 241,000 trauma x-rays

8 8 1956 Five friends, eight more MüllerWillenegger Allgöwer Patry Brussatis Baumann Guggenbühl Ott Schneider Bandi Schär Stähli Hunziker

9 9 1958 AO founded in Biel (Bienne) November 6, 1958, Hotel Elite Biel (Bienne), Switzerland

10 10 1958 AO Founders Arbeitsgemeinschaft für Osteosynthesefragen Maurice Müller Zürich 1918 − Martin Allgöwer Chur 1917 − 2007 Walter Bandi Interlaken 1912 − 1997 Robert Schneider Grosshöchstetten 1912 − 1990 Hans Willenegger Liestal 1910 − 1998

11 11 1958 Hex-head screw Maurice Müller Zürich, Switzerland (1918−) Robert Mathys Bettlach, Switzerland (1921−2000)

12 12 1959 AO Principles Hans Willenegger Maurice Müller Martin Allgöwer Robert Mathys 1Documentation of all patients 2Development of implants and instruments 3Research of fracture healing and tissue cultures 4Teaching of osteosynthesis techniques

13 13 1959 AO Laboratory Davos Martin Allgöwer Davos, Switzerland (1917−2007) AO Laboratory for Experimental Surgery Forschungsinstitut Obere Strasse

14 14 1959 AO Documentation Maurice Müller Davos, Switzerland (1918−)

15 15 1960 1st AO Course in Davos Participants: 56 7 2 3 1 Maurice Müller teaches femoral nailing in the AO Lab.

16 16 1960 AO in Davos

17 17 1960 AO Faculty in Davos Fritz Brussatis Willy Hunziker August Guggenbühl René Patry Ernst Baumannn Robert Schneider Walter Ott Walter Schär Walter Bandi Martin Allgöwer (Fischer) (Keller) Hans Willenegger Maurice Müller Walter Stähli(Bloch)

18 18 1961 AO TK founded Maurice Müller St Gallen, Switzerland (1918−) Robert Mathys Bettlach, Switzerland (1921−2000)

19 19 1961 AO Round hole plate Maurice Müller St Gallen, Switzerland

20 20 1961 AO Compression device Maurice Müller St Gallen, Switzerland

21 21 1961 2nd AO Course in Davos John Charnley and Martin Allgöwer in the AO Davos Lab.

22 22 1963 AO Principles of ORIF Maurice Müller Martin Allgöwer Hans WilleneggerRobert Schneider 1 Atraumatic surgical technique 2 Anatomical reduction of fracture 3 Stable internal fixation 4 Early active pain free mobilization

23 23 1963 AO Plating

24 24 1963 AO Instrument boxes Attendance at an official AO Course was mandatory for purchasing the six official AO Instrument boxes.

25 25 1963 Teaching nurses

26 26 1963 AO Tubular plates Maurice Müller Bern, Switzerland 1/2 tubular 1/4 tubular 1/3 tubular

27 27 1963 Primary bone healing Hans Willenegger Liestal (1910−1998) Robert Schenk Basel (1923−) Fritz Straumann Waldenburg (1921−1988)

28 28 1965 AO Nailing Maurice Müller Bern, Switzerland

29 29 1968 High-energy fractures Martin Allgöwer Basel, Switzerland Thomas Rüedi Chur, Switzerland

30 30 1969 AO VET (veterinary) Dog treated with Kuntscher nail by H Knoll, J Jenny and owner H Willenegger

31 31 1969 Dynamic compression Martin Allgöwer Stephan Perren Max Russenberger Dynamic Compression Plate Narrow: DCP 3.5 Broad: DCP 4.5

32 32 1969 AO Manual Maurice Müller Martin Allgöwer Robert Schneider Hans Willenegger 1970 Translated from German into English by by Joseph Schatzker

33 33 1970 AO and Lorenz Böhler Prof Willenegger presents Prof Böhler with AO book.

34 34 1972 AO International Hans Willenegger Liestal, Switzerland (1910−1998) 1st president of AOI

35 35 1974 1st AO CMF course Joachim Prein Basel, Switzerland

36 36 1978 Strain theory of healing Stephan Perren Davos, Switzerland Alexander Boitzy St Gallen, Switzerland

37 37 1981 Biomechanical stability Bernhard Georg Weber St Gallen, Switzerland (1927−2002) Minimax Fracture Fixation Minimal amount of metal Maximum stability

38 38 1983 Soft-tissue injury Harald Tscherne Hannover, Germany Tscherne classification of closed fractures

39 39 1984 AO Foundation Peter von Rechenberg Thomas Rüedi Peter Matter Fritz Straumann Robert Mathys Stephan Perren NotaryMartin Allgöwer Maurice Müller Robert Schneider Hans Willenegger Hansjörg Wyss

40 40 1984 Four pillars of AO Martin Allgöwer Basel, Switzerland 1st AO Foundation president Four pillars of cooperation: Documentation Teaching Research Instrumentation

41 41 1987 AO Classification Maurice Müller Peter Koch Serge Nazarian “A classification is useful only if it considers the severity of the bone lesion and serves as a basis for treatment and for evaluation of the results.”

42 42 1987 Indications for ORIF Joseph Schatzker Toronto, Canada Marvin Tile

43 43 1988 Periosteal blood supply (plates) Stephan Perren Davos, Switzerland Osteoporosis under plate is caused by bone necrosis and not by stress protection

44 44 1988 AO Plastic bones Stephan Perren Davos, Switzerland “Synthes bones” = SYNBONE Thomas Rüedi Chur, Switzerland

45 45 1989 AO Founders reunited Hans Willenegger Robert Schneider Maurice Müller Peter von Rechenberg Martin AllgöwerWalter Bandi CEO

46 46 1989 AO Alumni Association 56 local chapters in 6 AO Regions in 2008 North America Latin America Middle East Europe Africa Asia Pacific

47 47 1989 Indirect reduction Jeff Mast Roland Jakob Reinhold Ganz

48 48 1990 “Bio-logical” fixation Alexander Boitzy Reinhold Ganz Bern, Switzerland Soft-tissue injury determines the type of fracture fixation. Three stages of tissue damage: 1. Compromised (careful standard fixation possible) 2. Partial degloving (indirect reduction required) 3. Soft tissues destroyed (reconstruction essential)

49 49 1990 Endosteal blood supply (nails) Stephan Perren Davos, Switzerland

50 50 1990 Small footprint LC-DCP Stephan Perren Davos, Switzerland LLimited CContact DDynamic CCompression PPlate Emanuel Gautier Chur, Switzerland

51 51 1990 Robert Schneider passes away

52 52 1992 AO North America

53 53 1992 AO Center Davos Spring Summer Fall Winter

54 54 1993 Internal fixator PC-Fix Stephan Perren Slobodan Tepic Davos, Switzerland ???, Switzerland PC-Fix Point Contact Fixator Monocortical locking

55 55 1994 AO East Asia Suthorn Bavonratanavech Chiangmai, Thailand 1st president of AOEA Hong Kong Indonesia Philippines Malaysia South Korea Singapore Taiwan/Chinese Taipei Thailand

56 56 1995 LISS Robert Frigg Bettlach, Switzerland Less Invasive Stabilization System Locking head screws

57 57 1997 Walter Bandi passes away

58 58 1997 Mini incisions (MIPO) Christian Krettek Harald Tscherne Minimally Invasive Plate Osteosynthesis

59 59 1998 AO Latin America AOLAT Argentina Bolivia Brazil Chile Colombia Ecuador México Perú Uruguay

60 60 1998 Hans Willenegger passes away

61 61 1999 AO Clinical investigation Ruedi Moser 1999−2003 Beate Hanson 2003−

62 62 Surgeon of the 20th century

63 63 2000 AO Principles of Fracture Management Thomas Rüedi Liam Murphy Chur, Surrey, Switzerland England

64 64 2000 Howard Rosen passes away

65 65 2000 Robert Mathys passes away

66 66 2000 Locking compression plates Robert FriggBettlach, Switzerland Michael WagnerWien, Austria Robert SchavanWillich Anrath, Germany Combination hole Osteoporotic bone Nonunions

67 67 2000 AO Plate technology 1961 Round hole platesMaurice Müller 1963Tubular platesMaurice Müller 1970Dynamic compression platesStephan Perren 1989Indirect reduction techniquesJeff Mast 1990Biological fixationReinhold Ganz 1990 Limited contact (DC) platesStephan Perren 1993PC-FixStephan Perren 1997MIPOChristian Krettek 1995LISSRobert Frigg 2000Locking compression plates (LCP)Robert Frigg

68 68 2001 Anatomical plates Preshaped locking plates for MIPO techniques

69 69 2001 AO Portal on the Internet

70 70 2002 Hardi Weber passes away

71 71 2002 StarDrive screws Stephan Perren Davos, Switzerland

72 72 2003 AOSpine is formed John Webb Max Aebi Paul Pavlov Nottingham, Montreal, Nijmegen, England Canada Netherlands

73 73 2003 Strain theory and LCP Michael WagnerChristoph Sommer Wien, Austria Chur, Switzerland

74 74 2004 AO CAS and BrainLAB Christian Krettek Hannover, Germany CComputer AAided SSurgery

75 75 2005 AO Expert nails

76 76 2006 AO Trauma Asia Pacific AOTAP Australia New Zealand China Philippines Hong Kong Singapore Indonesia South Korea Japan Taiwan Malaysia Thailand India joins AOTAP in 2007

77 77 2006 AO LCP Manual Michael Wagner Wien, Austria Robert Frigg Bettlach, Switzerland

78 78 2006 AO Surgery reference Editors: Chris Colton Peter Trafton Joseph Schatzker Ernst Raaymakers

79 79 2007 AOSpine Manual John Webb Vincent Arlet Max Aebi

80 80 2007 AO Principles of Fracture Management─2nd edition Thomas Rüedi Chur, Switzerland Richard Buckley Calgary, Canada Christopher Moran Nottingham, England

81 81 2007 Pediatric classification Theddy Slongo Bern, Switzerland Laurent Audigé Dübendorf, Switzerland

82 82 2007 Martin Allgöwer passes away

83 83 2008 AO 50th anniversary Professor Maurice Müller on his 90th birthday March 28, 2008 unveils a plaque in Hotel Elite. Biel (Bienne) Switzerland

84 84

85 85 Changing Lives Transforming Surgery


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