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Specialist for Orthopaedic Surgery FMH
Subspecialty Footsurgery
Number of operated feet: over 8800 between 2003-2023
Author of two medical books:
"Fusschirurgie - Ein praktischer Leitfaden" Springer Verlag WienNewYork
"Operationstechniken in der Fusschirurgie" Springer Verlag WienNewYork
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LANGUAGES
German, English, French, Italian
MEMBERSHIPS
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Swiss Foot and Ankle Society |
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American Orthopaedic Foot and Ankle Society |
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European Society of Foot and Ankle Surgeons |
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Society of Foot and Ankle Surgery GFFC |
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German Orthopaedic Foot and Ankle Society |
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Sociaty of Southern German Orthopaedic Surgeons |
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Foederatio Medicorum Helveticorum |
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Swiss Orthopaedic and Trauma Society |
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Swiss Society of Sports Medicine |
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Swiss Medical Rehabilitation Society |
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Swiss Society of Rheumatology |
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Swiss Insurance Medicine SIM |
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Society of Orthopaedic Surgeons of Central Switzerland ISO |
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Rheuma League Lucerne |
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Swiss Association of Physicians in Private Clinics |
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Swiss Flight Surgeons Association |
EDUCATION
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1989 |
Final Examination Medical School University of Basle, Switzerland |
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1992 |
Thesis and Promotion Dr. med. |
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1997 |
Final Examination in Orthopaedic Surgery, Berne |
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2000 |
Specialist for Orthopaedic Surgery FMH |
CAREER
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1989 - 1991 |
Aeromedical Institute FAI, Swiss Air Force, Dübendorf, Switzerland
Dr. A. Gubser, MD |
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1991 - 1992 |
Human Performance Laboratory, University of Calgary, Canada
Prof. B. M. Nigg, Dr. sc.
Postdoctoral Fellowship in Biomechanics of the Foot |
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1992 - 1993 |
Spital Davos, Switzerland, Department of Surgery
Prof. Dr. P. Matter, MD |
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1993 - 1996 |
Kantonsspital Bruderholz, Switzerland, Department of Orthopaedic Surgery
Prof. Dr. W. Müller, MD |
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1997 |
Kantonsspital Liestal, Switzerland, Department of Orthopaedic Surgery
Prof. Dr. P. Ochsner, MD |
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1997 - 1999 |
Schulthess Clinic Zurich, Switzerland, Department of Orthopaedic Surgery
Dr. U. Munzinger, MD, Dr. B. Simmen, MD, Dr. T. Drobný, MD, Dr. H.K. Schwyzer, MD, Dr. P. Rippstein, MD |
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1999 - 2000 |
Senior physician Kantonsspital Baden, Switzerland, Department of Orthopaedic Surgery and Traumatology
Prof. Dr.H. Säuberli, MD, Dr. R.-P. Meyer, MD |
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2000 - 2002 |
Senior physician Schulthess Clinic Zurich, Switzerland, Department of Orthopaedic Surgery, Center for Foot Surgery, Shoulder Surgery
Dr. B. Simmen, MD, Dr. H. K. Schwyzer, MD, Dr. P. Rippstein, MD |
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01.02.2003 |
Practice for Orthopaedic Surgery in Lucerne, Switzerland
Subspecialty Foot and Ankle Surgery |
| 01.03.2007 |
Opening of the Footclinic at Haldenstrasse 6 in Lucerne |
| 01.10.2009 |
Affiliation at the private Pyramid Clinic at the Lake in Zurich |
| 01.01.2018 |
Affiliation at the Merian Iselin Clinic in Basle |
| 01.03.2018 |
Opening of the Footclinic Branch in Basle |
| 01.08.2020 |
Affiliation at the Cantonal Hospital Obwalden in Sarnen |
| 01.02.2020 |
Senior Consultant Foot and Ankle Surgery, Gesundheitszentrum Fricktal GZF, Rheinfelden |
FELLOWSHIP/VISIT
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1993 |
Roger A. Mann, MD, private clinic, former president of the American Foot and Ankle Society, Oakland, California, USA |
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1998 |
Siegwart T. Hansen, MD, Chief of Foot Surgery, Harbourview Hospital, Seattle, USA |
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2001 |
EFORT Travelling Fellowship, Czech and Slovak Republics |
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2004 |
Lowell S. Weil, DPM, MBA, FACFAS, Foot&Ankle Institute, Chicago, USA |
| 2017 |
Prof. Dr. med. Markus Walther, Schön Klinik, Munich, Germany |
TEACHING
Teacher for Traumatology at the School of Physiotherapy Bethesda Hospital in Basle from November 1995 until November 1996.
BOOKS
Sommer C
Operationstechniken in der Fusschirurgie. Springer Verlag WienNewYork, December 2011
Sommer C
Fusschirurgie - Ein praktischer Leitfaden. Springer Verlag WienNewYork, 1st Edition July 2006, 2nd Edition October 2009
PAPERS
Sommer C
Prosthesis of the ankle joint - A good option in treating severe arthrosis: Arab Health 2010; 2: 20-21
Sommer C
Knicksenkfuss infolge Insuffizienz der Tibialis-posterior-Sehne: Klinik, Pathomechanik und Behandlungsoptionen. Arthritis + Rheuma 2006; 26:157-163
Sommer C, Hintermann B, Nigg BM, van den Bogert AJ
Influence of Ankle Ligaments on Tibial Rotation: an in vitro study. Foot Ankle Int.1996 Feb;17(2): 79-84
Sommer C
Das instabile OSG: Behandlung der frischen Bandruptur. Eine Literaturuebersicht. Sportverletzung Sportschaden, Heft 4, 10.Jahrgang, Dezember 1996
Sommer C, Friederich NF, Müller W
Vorderer Knieschmerz nach VKB Ersatzplastik: Das adhaerente Ligamentum patellae. Sportmedizin und Sporttraumatologie, 1/1997
Sommer C, Friederich NF, Müller W
Improperly placed ACL grafts. Correlation between radiological parameters and clinical results. Knee Surg Sports Traumatol Arthrosc (2000) 8: 207-213
Hintermann B, Nigg BM, Sommer C
Foot Movement and Tendon Excursion: an in vitro study. Foot Ankle Int. 1994 Jul; 15( 7): 386-95
Hintermann B, Nigg BM, Sommer C, Cole GK
Transfer of Movement between Calcaneus and Tibia in vitro. Clinical Biomechanics 1994; 9: No.6
Hintermann B, Sommer C, Nigg BM
Influence of Ligament Transection on Tibial and Calcaneal Rotation with Loading and Dorsi-Plantarflexion. Foot Ankle Int. 1995 Sep;16(9): 567-71
POSTER
Sommer C, Sommer M
Ein dynamisches Konzept in der Hallux-Chirurgie: Korrektur von grossen Intermetatarsale-Winkeln mittels distaler Osteotomietechnik.
12. Annual Meeting of the German Assoziation for Foot and Ankle e.V.
17th/18thMarch 2006, Heidelberg
Tieben Ch, Sommer C, Heller K
Traumatische Ruptur des Lig. calcaneonaviculare plantare (spring ligament) mit nachfolgend chronischer medialer Instabilitaet - ein Fallbericht
11. Annual Meeting of the German Assoziation for Foot and Ankle e.V.
15th/16th April 2005, Augsburg
Sommer C, Friederich N, Mueller W
Inkorrekt platzierte vordere Kreuzbandtransplantate: Korrelation zwischen radiologischen Parametern und klinischen Resultaten
2nd Basel International Knee Congress and Instructional Course, 1996 Basel
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Congress of the Swiss Association for Sports Medicine, 1996 Lugano
PRESENTATIONS
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| 2017 |
3. Symposium on wound management, 26.1.2017, Lucerne
"pressure reducing operations of the forefoot"
SFAS-Symposium 2017, 18.-19.5.2017, Basel
Anatomy Laboratory: Approaches & Anatomy in Foot & Ankle Surgery
11. Fuss-Fachtagung, 10. Juni 2017, Burgdorf
"Morton-Neuroma – often misdiagnosed"
"Mögliche Ursachen von Schmerzen am Grosszehengrundgelenk"
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| 2016 |
10. GOTS-Swiss Summer Meeting, 26.-27.8.2016, Brunnen
Injuries in watersports - a Focus on foot and knee
"Therapy of arthrosis of the upper ankle joint - arthrodesis or prosthesis?"
EurAsia Heart Foundation, Nishni Tagil, Russland, Mai 2016
multiple presentations in foot and ankle surgery
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| 2014 |
SFAS Jahreskongress, 9.5.2014 Lausanne
Percutaneous Footsurgery
"How to react to special demands of the patient?"
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| 2012 |
SFAS Annual Meeting, 20.4.2012 Luzern
Organisation und Board "Metatarsalgia"
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| 2011 |
1st Swiss Russian Health Forum, 17.-18.10.2011, Moscow
Orthopaedic Session, Videos of Live Cases
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| 2010 |
18. International Symposium for Foot and Ankle Surgery, 3.-4.12.2010, Munich, Germany
"Fusschirurgie: Schnittstellenprobleme zwischen operativem und konservativem Approach"
1. Annual Congress of Swiss Podiatrists SPV, 13th of November, Baden, Switzerland
"Typical Changes in Rheumatoid Arthritis of the Foot"
"Operations in Rheumatoid Arthritis of the Foot"
Lectures in Orhopaedic Surgery and Traumatology, University Hospital CHUV, 23rd of September, Lausanne, Switzerland
"Solutions de reprise pour échecs de six chirurgies typiques du pied et de la cheville"
"Problems and Solutions for Scarf"
"Problems and Solutions for acquired Flatfoot"
Fuss-Fachtagung, 5th of June, Burgdorf, Switzerland
"Hallux valgus and it's Problems", "Possible Causes of Pain in the great Toe" and "Unguis incarnatus in Diabetes"
2nd Annual Congress of Orthotists SSOMV, 26th of April, Lucerne, Switzerland
"Surgery of the Forefoot"
Arab Health and 7th Middle East Orthopedic Conference, 25th - 28th of January, Dubai, United Arab Emirates
"Bunion Surgery - Indication and Technique"
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| 2009 |
Fuss-Fachtagung, 16th of May, Lucerne, Switzerland
"Morton's Neuroma" and "Case presentations"
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| 2008 |
Fuss-Fachtagung, 24th of May, Lucerne, Switzerland
"Common problems in forefoot surgery"
2nd FootMeeting, 24th of May, Lucerne, Switzerland
"Anatomic Landmarks" and Board
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2007
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Foot Surgery International Congress, 29th -30th of November, Znojmo, Czech Republic
"Correction of large intermetatarsal angles with distal procedures in hallux valgus surgery".
1st FootMeeting, 22nd of November, Lucerne, Switzerland
"Surgery options of the foot" and Board
SFAS Annual Meeting 2007, Zurich, Switzerland
"Nerve entrapment of the foot" and "Fractures of the Calcaneus" - Board
International Congress on Bandages and Casts, 28th - 29th of September, Stuttgart
"Strategies in modern Foot and Ankle Surgery"
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2006 |
Congress of the Swiss Society for Orthopaedic and Traumatology (SGO), Lucerne, Switzerland
Scientific program "The foot" - Board
SFAS Annual Meeting 2006, Lausanne, Switzerland
"Hallux rigidus & Forefoot Traumatology" - Board
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2005 |
SFAS Annual Meeting 2005, Basle, Switzerland
"Complications in Forefoot Surgery - an interactive Update" - Expert
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2004 |
General Practitioner Meeting, Lucerne, Switzerland
"The Foot – an Approach"
Rheuma 2004, Klinik St. Anna, Lucerne, Switzerland
"Surgical Treatment in Shoulder Pain"
Rheuma League Lucerne, Kantonsspital Lucerne, Switzerland
"Der Knick-Senk-Fuss - ein haeufiges rheumatologisches Fussproblem"
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2002 |
European League against Rheuma EULAR, Stockholm, Sweden
"Is there still a Place for open Synovectomy?"
Congress of German Orthopaedic Society, Berlin, Germany
"Operative Behandlungsmethoden bei Impingement nach Tuberculum majus-Frakturen"
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2001 |
Congress of the Swiss Society for Orthopaedic and Traumatology (SGO), Lugano, Switzerland
"Surgical Treatment for Impingement after Tuberculum majus-Fractures"
Swiss Foot and Ankle Society SFAS, Lugano, Switzerland
"Morton Neuroma - Experience with the plantar approach"
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1998 |
Symposium of the Schulthess-Clinic, Switzerland
„Treatment Options for Bunionette Deformity“
7th Congress of the International Federation of Societies for Surgery of the Hand, Vancouver, Canada
„Treatment Options for distal radio-ulnar Joint Arthrosis“
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1997 |
1. Surgical Skills Course of the Forefoot, Oberdorf, Switzerland
„Treatment Options for Bunionette Deformity“
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1996 |
7th Congress of the European Society of Sports Traumatology, Knee Surgery and Arthroscopy, Budapest, Hungary
„Improperly placed anterior cruciate Ligament Grafts: Correlation between radiological Parameters and clinical Results“
Congress of the Swiss Society for Orthopaedics and Traumatology (SGO), Berne, Switzerland
„Inkorrekt plazierte vordere Kreuzbandimplantate: Korrelation zwischen radiologischen Parametern und klinischen Resultaten“
2nd Basel International Knee Congress and Instructional Course, Basle, Switzerland
„Analysis of failed ACL reconstructions“
French Arthroscopy Association, Paris, France
„Placement incorrect des ligaments croisés antérieurs: corrélation des mesures" radiologiques et des résultats cliniques“
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1995 |
The Second Congress of the European Society of Foot and Ankle Surgeons, Davos, Switzerland
„The Moment Arms of the extrinsic Muscles about the Foot“
„Influence of Ankle Ligaments on tibial Rotation“
EFORT-Kongress, Speciality Day „Foot and Ankle“, München, Germany
„Influence of Ankle Ligaments on tibial Rotation: an in vitro study“
Orthopaedic Surgeons of Basle, Switzerland
„Biomechanics of cruciate Ligaments“
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1994 |
International Scientific Symposium on Orienteering, Magglingen, Switzerland
„Einfluss der Sprunggelenksbaender auf die Tibiarotation“
Congress of Swiss Society of Sports Medicine, La Chaux-de-Fonds, Switzerland
„Influence of Ankle Ligaments on tibial Rotation” | |
