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Valgus deformity
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High Quality Content by WIKIPEDIA articles! In orthopedics, a valgus deformity is a term for the outward angulation of the distal segment of a bone or joint. The opposite of valgus is called varus. The terms varus and valgus always refer to the direction that the distal segment of the joint points. For a discussion of the etymology of these words, see the entry under varus. Common causes of Valgus Knee in adults include Knee arthritis and post traumatic. Knee Arthritis with Valgus Knee

Anbieter: Dodax
Stand: 01.10.2020
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Le cubitus varus post traumatique chez l'enfant
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Anbieter: Dodax
Stand: 01.10.2020
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Wing-augmentation reduce femoral head cutting o...
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The dynamic hip screw (DHS) is standard for femoral intertrochanteric fracture treatment. However, post-operative failure does occur in some patients, resulting in poor prognosis. The most common failure mechanism is femoral head superior cut-out through the femoral head. We designs an improved lag screw combined with a conventional lag screw and two supplemental horizontal blades. The implant structure is designed to provide larger contact surface to prevent superior cut-out and femoral head rotation, thus improving the fixation stability. The biomechanical studies simulated hip motion of normal gait were performed for comparison. The innovative DHS exhibited significantly less axial migration and sustained many more loading cycles in comparison to the conventional DHS. The tip-to-apex distance (TAD) change, varus angle change, and rotational angle change were significantly less in innovative DHS. The new DHS had two additional horizontal wings, which would increase the bone-implant interface contact surface and. The increased surface area would dissipate the load to the screw itself, improve the migration resistance and increase the anti-rotational implant effect.

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Wiegels, R: Kleine Schriften zur Germanienpolitik
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Anlässlich des 75. Geburtstages des Osnabrücker Althistorikers Rainer Wiegels wurden dreiundzwanzig seiner wichtigsten Schriften wiederabgedruckt, ergänzt um ein Vorwort der Herausgeber, ein Schriftenverzeichnis Wiegels seit 2005 und einen umfassenden Quellenindex. Gemäss den Forschungsinteressen des Jubilars liegt der Schwerpunkt auf frühkaiserzeitlicher Militärgeschichte, insbesondere Forschungen zum mutmasslichen Varusschlachtfeld von Kalkriese, in deren wissenschaftliche Aufarbeitung und Interpretation Wiegels von Anfang an, d.h. seit 1988/89, massgeblich eingebunden war und ist. Dabei hat er das regionale Ereignis immer wieder in den Kontext römischer Reichspolitik der julisch-claudischen Epoche gestellt. Wesentliche Themen sind u. a. die Schlachtfeldbefunde und Schlachtfeldlokalisierung, die antike schriftliche Überlieferung zur clades Variana, die beteiligten Legionen, Münzfunde, zeitgenössischer Germanenbegriff und Germanenvorstellung, die Germanienpolitik nachcaesarischer Zeit, aber auch der Hermann-Mythos sowie das Verhältnis zwischen römischem Heer und Zivilgesellschaft im Prinzipat. On the occasion of the 75th birthday of the ancient historian Rainer Wiegels from Osnabrück, 23 of his most important publications have been reprinted, supplemented by a foreword of the editors, a bibliography of the honoured from 2005 onwards, and a comprehensive source index. Corresponding to the favourite research topics of the jubilarian, the focus has been laid on early Roman Imperial military history, particularly on research on the supposed battlefield of Varus at Kalkriese in the scientific presentation and interpretation of which Wiegels has been and still is decisively involved since its initial stage in 1988/89. By doing so he always placed the regional event into the overall context of Roman Imperial politics of the Julio-Claudian period. Important themes are e. g. the evidence from and localisation of the battlefield, the antique written sources on the clades Variana, the legions involved, coin finds, the contemporaneous term and notion of Germanic peoples, the Germanic politics of post-Caesarean times, but also the myth of Arminius as well as the relation between the Roman army and civil society during the principate.

Anbieter: Orell Fuessli CH
Stand: 01.10.2020
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