Academic literature on the topic 'Simple fractures'

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Journal articles on the topic "Simple fractures"

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Stepanyan, Hayk, David Gendelberg, and William Hennrikus. "Management of Simple Clavicle Fractures by Primary Care Physicians." Clinical Pediatrics 56, no. 5 (2016): 467–71. http://dx.doi.org/10.1177/0009922816659873.

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The clavicle is the most commonly fractured bone. Children with simple fractures are often referred to orthopedic surgeons by primary care physician to ensure adequate care. The objective of this study was to show that simple clavicle fractures have excellent outcomes and are within the scope of primary care physician’s practice. We performed a retrospective chart review of 16 adolescents with simple clavicle fractures treated with a sling. Primary outcomes were bony union, pain, and function. The patients with simple clavicle fractures had excellent outcomes with no complications or complaint
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FUKUYAMA, JUNJI MILLER, ROBINSON ESTEVES SANTOS PIRES, PEDRO JOSÉ LABRONICI, JOSÉ OCTÁVIO SOARES HUNGRIA, and RODRIGO LOPES DECUSATI. "BIMALLEOLAR ANKLE FRACTURE: A SIMPLE FRACTURE?" Acta Ortopédica Brasileira 25, no. 1 (2017): 48–51. http://dx.doi.org/10.1590/1413-785220172501166234.

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ABSTRACT Objective: To evaluate the frequency of deltoid ligament injury in bimalleolar supination-external rotation type fractures and whether there is a correlation between the size of the fractured medial malleolus and deltoid ligament injury . Methods: Twenty six consecutive patients underwent magnetic resonance exams after clinical and radiographic diagnosis of bimalleolar supination-external rotation type ankle fractures . Results: Thirteen patients (50%) presented deltoid ligament injury associated to bimalleolar ankle fracture. Partial injury was present in seven (26.9%) patients and t
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Schoenberg, Michael, and Colin M. Sayers. "Seismic anisotropy of fractured rock." GEOPHYSICS 60, no. 1 (1995): 204–11. http://dx.doi.org/10.1190/1.1443748.

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A simple method for including the effects of geologically realistic fractures on the seismic propagation through fractured rocks can be obtained by writing the effective compliance tensor of the fractured rock as the sum of the compliance tensor of the unfractured background rock and the compliance tensors for each set of parallel fractures or aligned fractures. The compliance tensor of each fracture set is derivable from a second rank fracture compliance tensor. For a rotationally symmetric set of fractures, the fracture compliance tensor depends on only two fracture compliances, one controll
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Johnson, A. L., J. P. Toombs, D. J. Schaeffer, and P. H. Laverty. "Simple and multiple fractures of the radius treated with an external fixator." Veterinary and Comparative Orthopaedics and Traumatology 15, no. 02 (2002): 97–103. http://dx.doi.org/10.1055/s-0038-1632721.

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SummaryThe medical records of 56 dogs with diaphyseal fractures of the radius and ulna treated with Type lb or Type II external skeletal fixation were reviewed. The patients were referred to the College of Veterinary Medicine University of Illinois or the Purdue University School of Veterinary Medicine during the period from 1983 to 1999. There were thirty-two “simple” fractures and twenty-four multiple fractures. Twenty-four Type II frames and eight Type lb frames were used to treat the “simple” fractures. Twenty Type II frames and four Type lb frames were used to treat the multiple fractures
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Dang, Hong-Lam, Duc Phi Do, and Dashnor Hoxha. "Effective Elastic and Hydraulic Properties of Fractured Rock Masses with High Contrast of Permeability: Numerical Calculation by an Embedded Fracture Continuum Approach." Advances in Civil Engineering 2019 (February 3, 2019): 1–21. http://dx.doi.org/10.1155/2019/7560724.

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In this work, the hydromechanical modeling of the fractured rock masses was conducted based on a new numerical simulation method named as embedded fracture continuum (EFC) approach. As the principal advantage, this approach allows to simplify the meshing procedure by using the simple Cartesian meshes to model the fractures that can be explicitly introduced in the porous medium based on the notion of fracture cells. These last elements represent the grid cells intersected by at least one fracture in the medium. Each fracture cell in the EFC approach present a continuum porous medium whose hydro
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Bhat, Smita, Amal Suresh, Apeksha Inamdar, Anil Kumar Desai, and Gopal Krishnan. "Lag screw principle to fix unstable sagittal fracture of infraorbital rim: A technical note." Journal of Emergency Practice and Trauma 9, no. 1 (2022): 52–53. http://dx.doi.org/10.34172/jept.2022.23.

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Objective: Fractures of orbital rims are common and restoration of these fractures back to its normal anatomic form is essential to maintain the function and aesthetics of the eyes. Low profile miniplates are the rigid fixation device of choice for such fractures. But in case of sagittal and grossly displaced fractures of orbital rims it is difficult to achieve stability by using miniplate osteosynthesis. The low profile miniplates may not be able to withstand the forces to reduce this kind if grossly displaced fractures, another stable option needs to be considered in these situations. Case P
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Li, Liyong, and Seong H. Lee. "Efficient Field-Scale Simulation of Black Oil in a Naturally Fractured Reservoir Through Discrete Fracture Networks and Homogenized Media." SPE Reservoir Evaluation & Engineering 11, no. 04 (2008): 750–58. http://dx.doi.org/10.2118/103901-pa.

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Summary This paper describes a hybrid finite volume method, designed to simulate multiphase flow in a field-scale naturally fractured reservoir. Lee et al. (WRR 37:443-455, 2001) developed a hierarchical approach in which the permeability contribution from short fractures is derived in an analytical expression that from medium fractures is numerically solved using a boundary element method. The long fractures are modeled explicitly as major fluid conduits. Reservoirs with well-developed natural fractures include many complex fracture networks that cannot be easily modeled by simple long fractu
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van Heerden, Frans G., Robert M. Kirberger, and Marthinus J. Hartman. "Long Bone Fractures in Impala (Aepyceros melampus): A Classification System and Review of 55 Cases." Veterinary and Comparative Orthopaedics and Traumatology 32, no. 05 (2019): 408–19. http://dx.doi.org/10.1055/s-0039-1691818.

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Abstract Objective The purpose of this study was to introduce a modified-Unger fracture classification in impala and report the findings of 58 long bone fractures classified according to this system. Methods This was a retrospective radiographical study evaluating 122 radiographs of 58 long bone fractures in 55 impala. The Unger fracture classification was modified and fracture illustrations for the metacarpal and metatarsal bones added. Each fracture was classified and assigned a four symbol α-numeric code using our classification. The patient signalment, skeletal maturity, fracture-associate
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Patel, Kiran M. "Compression Osteosynthesis in Craniofacial Injuries." Indian Journal of Plastic Surgery 19, no. 02 (1986): 071–78. http://dx.doi.org/10.1055/s-0043-1772516.

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SummaryA simple ingenious external bone fixator has been devised for the management of craniofacial fractures based on the assumption that the proper reduction of fractures and maintaining the fracture segment in the reduced state are very important factors in primary bone healing. The Kiran fixator helps in osteogenesis by compressing the fractured segments against each other. It can be used for the management of all types of fractures of the facial bones e.g. Lefort II, Lefort III, fractures of the naso-ethmoidal complex and mandibular fractures. The use of the fixators have convincingly imp
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Ibrahim, Ishaq, John Y. Kwon, Christopher P. Miller, and Jeremy T. Smith. "Fractures of the Talar Head: A Series of 16 Patients." Foot & Ankle Orthopaedics 5, no. 4 (2020): 2473011420S0026. http://dx.doi.org/10.1177/2473011420s00267.

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Category: Hindfoot; Trauma Introduction/Purpose: Fractures of the talar head are very rare accounting for just 5-10% of talus fractures and fewer than 1% of all fractures. As such, limited clinical literature is available to guide management of these injuries. We present the largest clinical series on talar head fractures to date. Methods: We performed a retrospective review of all patients presenting to three level-1 trauma centers with major fractures of the talus (fractures of the neck, body or head) over a 14-year period. From this cohort of patients, we identified patients presenting with
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Dissertations / Theses on the topic "Simple fractures"

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Urbain-Dupont, Corinne, and Frédéric Dupont. "Résultats de la résection simple et de l'arthroplastie des fractures de la tête radiale : à propos de 52 cas." Lille 2, 1989. http://www.theses.fr/1989LIL2M120.

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Lam, Minh-Phuong. "Modélisation 3D du transport particulaire asynchrone en simple et double continuum matrice-fractures : application au stockage de déchets nucléaires." Phd thesis, Toulouse, INPT, 2008. http://oatao.univ-toulouse.fr/7738/1/lam.pdf.

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Ce mémoire présente les travaux réalisés dans le cadre d'une thèse CIFRE en collaboration avec le Laboratoire National d'Hydraulique et Environnement (LNHE) d'EDF R et D et l'Institut de Mécanique des Fluides de Toulouse (IMFT). La thèse a pour objectif in fine de fournir au LNHE un outil numérique précis lui permettant d'étudier la fiabilité d'un stockage de déchets nucléaires en milieu géologique profond. Les travaux réalisés portent plus particulièrement sur le développement et l'implémentation d'une méthode de suivi de particules par marche aléatoire pour modéliser le phénomène de transpor
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Lam, Minh-Phuong Ababou Rachid. "Modélisation 3D du transport particulaire asynchrone en simple et double continuum matrice-fractures application au stockage de déchets nucléaires /." Toulouse : INP Toulouse, 2008. http://ethesis.inp-toulouse.fr/archive/00000684.

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Neto, Gonçalo José Cabral. "Influência do tipo de fractura nos níveis séricos de cálcio ionizado em canídeos." Master's thesis, Universidade de Lisboa. Faculdade de Medicina Veterinária, 2014. http://hdl.handle.net/10400.5/7507.

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Dissertação de Mestrado Integrado em Medicina Veterinária<br>A ortopedia representa, actualmente, cerca de 10% dos casos avaliados em clínica de animais de companhia, sendo os canídeos a espécie mais representativa na ocorrência de processos traumáticos. O esqueleto, composto pelos ossos que são um importante reservatório de minerais em particular de cálcio e de fósforo, é uma estrutura altamente dinâmica cuja actividade resultante da acção de factores intrínsecos e extrínsecos é regulada por vários mecanismos endócrinos ao longo de toda a vida do indivíduo. A grande maioria do ião cálci
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Cai, Yangjun. "Simple Alternative Patterning Techniques for Selective Protein Adsorption." University of Akron / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=akron1257386752.

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Ratsimba, Christian H. H. "Fatigue crack growth of filled elastomers." Thesis, Queen Mary, University of London, 2000. http://qmro.qmul.ac.uk/xmlui/handle/123456789/26243.

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In the past, the use of a fracture mechanics approach to describe crack growth in elastomers has been shown to work well for specimens of simple test geometry, simply loaded. This has been the case because elastic strain energy density (e.s.e.d.) functions could reliably be used to calculate both the magnitude of elastic stored energy available to drive a crack and the magnitude of the rate of release of such energy as the crack grows. The aim of this thesis was to investigate the applicability of such a methodology to situations of more complex loading. To this end two novel test-piece geomet
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Orassi, Vincenzo. "Finite element study of fractured mandible in human and sheep." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/17819/.

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Osteosynthesis is one of the most discussed and investigated subjects in the orthopaedic literature. Mandible fractures are reported as one of the main causes of facial injury and their impact on patient life may bring serious consequences, compromising masticatory function, speech and facial aesthetics. Current treatments for mandibular simple fractures include the use of load-sharing devices such as titanium miniplates and screws, which have the role of fixing the fracture ends and restore the facial continuity. Fixation systems ultimately aim to generate the optimum mechanical strains wit
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Lens, Luciani Neves. "Modelos para análise de fratura do concreto simples empregando interfaces coesivas." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2009. http://hdl.handle.net/10183/17645.

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O concreto é um material de comportamento quase-frágil na ruptura, desenvolvendo uma zona de processo de fratura relativamente grande na ponta de uma fissura principal, na qual ocorrem fenômenos complexos. Modelos de fratura discretos são adequados para estudar tais fenômenos. Neste contexto, o presente trabalho estuda diferentes modelos de fratura discreta em concreto simples, em situação de modo I puro e modo misto (modo I e modo II, simultaneamente) empregando dois modelos constitutivos da zona coesiva, um acoplado e outro desacoplado. Considerando que a malha de elementos finitos não é ada
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Günther, Wood Matías. "Estudio comparativo de las complicaciones postoperatorias en el tratamiento de las fracturas simples de ángulo mandibular con placas de osteosíntesis utilizando 2 diferentes técnicas en el Servicio de Cirugía y Traumatología Maxilofacial del Instituto Traumatológico Teodoro Gebauer Weisser." Tesis, Universidad de Chile, 2014. http://repositorio.uchile.cl/handle/2250/131346.

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Trabajo de Investigación Requisito para optar al Título de Cirujano Dentista<br>Autor no autoriza el acceso a texto completo de su documento<br>La manera en la cual las fracturas mandibulares son tratadas y reparadas ha sufrido una evolución gradual. A través de los años han aparecido diversas técnicas para la reparación de fracturas mandibulares. Los métodos abarcan desde el bloqueo intermaxilar (BIM) hasta combinaciones de BIM con alambres, tornillos tirafondo (lag screw) y placas de fijación rígida interna y elementos de fijación rígida externa (tutores externos). Hoy en día los sis
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Angelini, Alessandro Janson. "Tratamento das fraturas com traço simples da diafise do femur, com tecnica minimamente invasiva e placa em onda." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/312286.

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Orientador: William Dias Belangero<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Ciencias Medicas<br>Made available in DSpace on 2018-08-08T02:22:20Z (GMT). No. of bitstreams: 1 Angelini_AlessandroJanson_D.pdf: 8473233 bytes, checksum: 3996290e908ef6f361b3a4bf25baf1d9 (MD5) Previous issue date: 2006<br>Resumo: A partir de resultados de estudos mecânicos com a placa em onda, demonstrando sua maior rigidez em montagens com algum tipo de contato cortical, surge este estudo com o objetivo de analisar o desempenho desse tipo de placa no tratamento das fraturas de traço sim
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Books on the topic "Simple fractures"

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Castoldi, Filippo, Davide Blonna, and Marco Assom, eds. Simple and Complex Fractures of the Humerus. Springer Milan, 2015. http://dx.doi.org/10.1007/978-88-470-5307-6.

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Naidu Maripuri, S., and K. Mohanty. Tibial shaft fractures. Oxford University Press, 2011. http://dx.doi.org/10.1093/med/9780199550647.003.012057.

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♦ The tibia is the most commonly fractured long bone♦ The orthopaedic surgeon needs to be familiar with all of the management options available in order to effectively manage the simple and complex cases♦ Problems associated with the soft tissue envelope are frequently encountered.
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Walmsley, Phil, and John Keating. Tibial plateau fractures. Oxford University Press, 2011. http://dx.doi.org/10.1093/med/9780199550647.003.012056.

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♦ Split depression pattern lateral plateau most common type♦ Bicondylar and medial plateau fractures high energy injuries♦ Compartment syndrome, vascular injury, and common peroneal palsy may occur with high energy patterns♦ Internal fixation preferred treatment with good soft tissue envelope♦ Limited internal fixation suitable for many simple patterns♦ Plate fixation preferred for medial and bicondylar fractures♦ External fixation used with poor soft tissues♦ Fine wire external fixation should be considered for most complex patterns.
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Castoldi, Filippo, Davide Blonna, and Marco Assom. Simple and Complex Fractures of the Humerus: A Guide to Assessment and Treatment. Springer London, Limited, 2014.

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Castoldi, Filippo, Davide Blonna, and Marco Assom. Simple and Complex Fractures of the Humerus: A Guide to Assessment and Treatment. Springer, 2014.

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Castoldi, Filippo, Davide Blonna, and Marco Assom. Simple and Complex Fractures of the Humerus: A Guide to Assessment and Treatment. Ingramcontent, 2014.

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Castoldi, Filippo, Davide Blonna, and Marco Assom. Simple and Complex Fractures of the Humerus: A Guide to Assessment and Treatment. Springer, 2016.

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Alastair, Graham. Distal radius fracture. Oxford University Press, 2011. http://dx.doi.org/10.1093/med/9780199550647.003.012032.

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♦ Active treatment increasingly used♦ It is important to recognize type B fractures♦ CT useful to define complex fractures♦ K wiring quick and simple but complex fractures often require plating♦ Palmar locking plates useful for complex fractures♦ Dorsal plates only used occasionally because of complications.
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Noyes, David, and John McMaster. Principles of intramedullary nailing. Oxford University Press, 2011. http://dx.doi.org/10.1093/med/9780199550647.003.012013.

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♦ Intramedullary nailing provides the trauma surgeon with a biologic solution to the stabilization of both simple and complex long bone fractures♦ An appreciation of the biomechanics and the technical difficulties is essential.
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Pollock, Rob. Total hip replacement: modes of failure. Oxford University Press, 2011. http://dx.doi.org/10.1093/med/9780199550647.003.007010.

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♦ Total hip replacements (THRs) may fail in various ways. They may become infected, they may be subject to aseptic loosening, they may dislocate, or a periprosthetic fracture may occur. The patient with a failed THR must be thoroughly assessed before treatment is contemplated♦ Infection may be acute or chronic. Assessment involves clinical assessment, plain radiographs, blood tests (C-reactive protein and erythrocyte sedimentation rate), hip aspiration, and, sometimes, nuclear medicine. The acutely infected hip may be treated with one-stage revision. This involves thorough lavage, debridement,
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Book chapters on the topic "Simple fractures"

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Petriccioli, Dario, Celeste Bertone, and Giacomo Marchi. "Periprosthetic Fractures." In Simple and Complex Fractures of the Humerus. Springer Milan, 2014. http://dx.doi.org/10.1007/978-88-470-5307-6_22.

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Castoldi, Filippo, Andrea Cimino, and Davide Bonasia. "Proximal Humerus Fractures: Understanding and Managing the Fracture." In Simple and Complex Fractures of the Humerus. Springer Milan, 2014. http://dx.doi.org/10.1007/978-88-470-5307-6_2.

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Battistella, Ferdinando. "Management of Simple Articular Fractures." In Arthroscopic Management of Distal Radius Fractures. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-05354-2_3.

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Saporito, Marco, Giovanni Merolla, Fabrizio Campi, Paolo Paladini, and Giuseppe Porcellini. "Malunion of Humeral Tuberosity Fractures." In Simple and Complex Fractures of the Humerus. Springer Milan, 2014. http://dx.doi.org/10.1007/978-88-470-5307-6_13.

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Battiston, Bruno, Teresa Benigno, and Pierluigi Tos. "Radial Palsy and Humerus Fractures." In Simple and Complex Fractures of the Humerus. Springer Milan, 2014. http://dx.doi.org/10.1007/978-88-470-5307-6_19.

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Russo, Raffaele, Fabio Cautiero, Alberto Fontanarosa, and Giuseppe Della Rotonda. "Fracture-Dislocations." In Simple and Complex Fractures of the Humerus. Springer Milan, 2014. http://dx.doi.org/10.1007/978-88-470-5307-6_15.

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Tos, Pierluigi, Stefano Artiaco, Alessandro Crosio, and Bruno Battiston. "Nerve Injuries in Proximal Humeral Fractures." In Simple and Complex Fractures of the Humerus. Springer Milan, 2014. http://dx.doi.org/10.1007/978-88-470-5307-6_14.

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Aloj, Domenico, Pietro Pellegrino, Eraclite Petruccelli, Giovanni Martino, and Daniele Santoro. "Humeral Shaft Fractures and External Fixator." In Simple and Complex Fractures of the Humerus. Springer Milan, 2014. http://dx.doi.org/10.1007/978-88-470-5307-6_21.

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Rotini, Roberto, Michele Cavaciocchi, Graziano Bettelli, and Lorenzo Zaccarelli. "Elbow Prosthesis in Distal Humeral Fractures." In Simple and Complex Fractures of the Humerus. Springer Milan, 2014. http://dx.doi.org/10.1007/978-88-470-5307-6_26.

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Guerra, Enrico, Daniele Fabbri, Graziano Bettelli, Alessandro Marinelli, Michele Cavaciocchi, and Roberto Rotini. "ORIF in Three-/Four-Part Fractures." In Simple and Complex Fractures of the Humerus. Springer Milan, 2014. http://dx.doi.org/10.1007/978-88-470-5307-6_7.

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Conference papers on the topic "Simple fractures"

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Stepanyan, Hayk, David Gendelberg, and William L. Hennrikus. "Simple Clavicle Fractures, a Primary Care Musculoskeletal Injury." In Selection of Abstracts From NCE 2016. American Academy of Pediatrics, 2018. http://dx.doi.org/10.1542/peds.141.1_meetingabstract.204.

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Zeng, Jie, Xi Wang, Zhihong Zhao, et al. "Principal Stress or Large-Scale Natural Fracture/Fault—What Dictates the SRV of Deep Shale Gas Reservoirs: Perspective from the Southern Sichuan Basin." In APOGCE 2024. SPE, 2024. http://dx.doi.org/10.2118/221248-ms.

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Abstract In-situ stress is generally regarded as one of the most crucial factors controlling hydraulic fracture characteristics. Fracture propagation is expected to be perpendicular to the minimal horizontal stress. However, microseismic monitoring results of deep shale gas reservoirs in the Sichuan Basin indicate that the stimulated reservoir volume (SRV) shows various propagation patterns and asymmetric geometry. The growth of SRV is not strongly related to the minimal principal stress direction. In deep shale, high principal stress difference reduces fracture complexity, while the well-deve
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Maier, Christine, Gonçalo Oliveira, and Denis José Schiozer. "Flow-Based Upscaling of Fractured Porous Media Using a Discrete Fracture and Matrix Model and a Fracture Merging Algorithm." In SPE EuropEC - Europe Energy Conference featured at the 84th EAGE Annual Conference & Exhibition. SPE, 2023. http://dx.doi.org/10.2118/214420-ms.

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Abstract Many geo-energy related applications involve predicting the behavior of fluid flow in fractured subsurface reservoirs. Naturally fractured carbonate reservoirs are particularly important for being a major source of the world's hydrocarbon production. These reservoirs are also currently being considered as potential CO2 storage sites that will support net zero emissions goal. Simulation of flow in fractured reservoirs is a challenging task that typically involves upscaling the effective permeability of the fracture network and matrix into continuum models that consider the reservoir sc
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Sheikh, Hafiz Mustafa Ud Din, W. J. Lee, and H. S. Jha. "Modeling Boundary-Dominated Flow in Hydraulically-Fractured Wells." In SPE Annual Technical Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/206345-ms.

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Abstract This paper presents a simple method to model boundary-dominated flow in hydraulically fractured wells, including horizontal wells with multiple fractures. While these wells are almost always producedat more nearly constant BHP rather than constant rate, use of material-balance time transforms variable-rate production profiles to constant-rate profiles, allowing us to use the pseudo-steady-state (PSS) flow equation for modeling. However, the PSS equation requires use of shape factors in applications, and shape factors available in the literature are available only for square-shaped bou
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Alcântara, B., B. Minto, G. Franco, D. Lucena, and L. Dias. "Bridge Plating for Simple Tibial Fractures Treated by Minimally Invasive Plate Osteosynthesis." In Abstracts of the 6th World Veterinary Orthopedic Congress. Georg Thieme Verlag KG, 2022. http://dx.doi.org/10.1055/s-0042-1758326.

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Ruffino, R., A. Avanzini, A. Bianco, et al. "Novel Workflow to Properly Assess the Potential of a Naturally Fractured Gas Reservoir in a Tight Matrix Sandstone." In SPE Conference at Oman Petroleum & Energy Show. SPE, 2024. http://dx.doi.org/10.2118/218572-ms.

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Abstract The North-African asset under evaluation is characterized by a tight matrix sandstone with poor petrophysical properties, although with natural fractures that sometimes improve the well performance. In this context, the simple description of the matrix system can result inadequate, therefore a dual media modelling (matrix &amp; fractures) was performed, capable of capturing petrophysical heterogeneity and reproducing observed well deliverability. Given the uncertainties related to fractured systems, a Petrel RE uncertainty workflow was properly designed to evaluate the impact of diffe
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Yan, Weihe, Cong Zhou, Yuhua Wang, et al. "Understanding the Complicated Fracture Network in a Fractured Granite Reservoir Using the Borehole Image and Geochemical Log, Case Study from Songliao Basin." In International Petroleum Technology Conference. IPTC, 2023. http://dx.doi.org/10.2523/iptc-22987-ea.

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Abstract Granite basement reservoir has become a very important exploration target in Songliao Basin of North-east China. Several exploration gas wells were drilled in the study area, and it shows strong heterogeneity and complexity in reservoir properties. Since it is very difficult to perform accurate formation evaluation in fractured granite reservoir using the conventional open-hole logs, the advanced wireline logging such as borehole resistivity image and geochemical logs were acquired to understand the impact of the fractures on the producibility in the tight granite reservoir. The objec
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Sasaki, T., and M. Hu. "3D Modeling of Thermal Shearing of Fractures at the Asperity Scale." In 57th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2023. http://dx.doi.org/10.56952/arma-2023-0946.

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ABSTRACT Understanding the shearing behavior of fractures under time-varying thermal conditions (i.e., thermal shearing of fractures) is critical to the long-term viability assessment of geothermal reservoirs and nuclear waste repositories, but it remains uncertain what physical properties of fracture and/or the host rock control thermal shearing. In this study, a three-dimensional thermo-mechanically (TM) coupled numerical simulation of a single granite fracture was carried out to identify key thermal and mechanical parameters that control thermal shearing, namely shear and normal displacemen
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Liu, Hui, Xinwei Liao, Knut-Andreas Lie, et al. "An Integrated Modeling Framework for Simulating Complex Transient Flow in Fractured Reservoirs with 3D High-Quality Grids." In SPE Reservoir Simulation Conference. SPE, 2023. http://dx.doi.org/10.2118/212171-ms.

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Abstract Modeling near-well transient flow with complex 3D fracture networks poses several challenges: the multiscale nature (millimeters to kilometers), long and deviating well trajectories, intricate fracture networks with fracture-fracture and fracture-well intersections, and high level of reservoir heterogeneities. We address these difficulties by proposing a comprehensive methodology for meshing, discretizing, and simulating transient flow in complex 3D fracture networks based on discrete fracture-matrix models. Our framework consists of three parts: (i) Given deviating wells and planar o
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"To Evaluate the Relationship of Nutritional Status with Outcomes of Simple Diaphysel Tibial Fractures." In International Conference on Agricultural, Ecological and Medical Sciences. International Institute of Chemical, Biological & Environmental Engineering, 2014. http://dx.doi.org/10.15242/iicbe.c714006.

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Reports on the topic "Simple fractures"

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Tsang, C. F., and C. Doughty. Insight from simulations of single-well injection-withdrawal tracer tests on simple and complex fractures. Office of Scientific and Technical Information (OSTI), 2009. http://dx.doi.org/10.2172/972710.

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Neyedley, K., J. J. Hanley, P. Mercier-Langevin, and M. Fayek. Ore mineralogy, pyrite chemistry, and S isotope systematics of magmatic-hydrothermal Au mineralization associated with the Mooshla Intrusive Complex (MIC), Doyon-Bousquet-LaRonde mining camp, Abitibi greenstone belt, Québec. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328985.

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The Mooshla Intrusive Complex (MIC) is an Archean polyphase magmatic body located in the Doyon-Bousquet-LaRonde (DBL) mining camp of the Abitibi greenstone belt, Québec. The MIC is spatially associated with numerous gold (Au)-rich VMS, epizonal 'intrusion-related' Au-Cu vein systems, and shear zone-hosted (orogenic?) Au deposits. To elucidate genetic links between deposits and the MIC, mineralized samples from two of the epizonal 'intrusion-related' Au-Cu vein systems (Doyon and Grand Duc Au-Cu) have been characterized using a variety of analytical techniques. Preliminary results indicate gold
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Malik. L51877 Crack Arrest Toughness to Avoid Dynamic Ductile Fracture in Gas Transmission Pipelines. Pipeline Research Council International, Inc. (PRCI), 2001. http://dx.doi.org/10.55274/r0010192.

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Design against long ductile fracture propagation in gas pipelines involves an analysis of the balance between driving force, derived from the gas pressure, and the fracture resistance of the material. Initially, the shelf energy in the Charpy test was successfully used as a measure of fracture propagation resistance. As material strength, pipe diameter and operating pressures increased and required greater fracture propagation resistance, the limitations of the Charpy energy approach became increasingly apparent. This limitation for modern steels is due to the fact that the Charpy test involve
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Grinfeld, Michael A., and Steven B. Segletes. Towards Mechanochemistry of Fracture and Cohesion: General Introduction and the Simplest Model of Velcro. Defense Technical Information Center, 2010. http://dx.doi.org/10.21236/ada529975.

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Mannucci and Demofonti. L51882 Mill Test Techniques for Predicting Crack Arrest Ability in High Toughness Steels. Pipeline Research Council International, Inc. (PRCI), 2002. http://dx.doi.org/10.55274/r0011210.

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The cost for construction of new pipelines to meet the demand for natural gas can be justified by using high strength materials: however line safety requires steel properties that preclude catastrophic failures should the pipe wall be breached. Important problems faced in the eighties, come now again onto the table of the international scientific community driven directly by the incoming projects of future high productivity transmission lines, and need final solutions. The objective of this project, was to develop a simple laboratory testing method, that can be easily transferred and used in t
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Denys, Waele, and Lefevre. L52239 Input to Code Revision for Interaction of Girth Weld Defects under Plastic Collapse Conditions. Pipeline Research Council International, Inc. (PRCI), 2005. http://dx.doi.org/10.55274/r0011348.

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A pipeline girth weld may contain one single or multiple defects. If discrete multiple notches occur, current codes define by applying proximity rules the defect dimensions to be used in an ECA. The defect interaction rules contained in pipeline specific standards are based on linear elastic fracture mechanics with conservative approximations. Similar solutions for failure by plastic collapse are non-existent. In this study, using experimental data of wide plate tests, interaction criteria for ductile girth welds containing multiple coplanar surface breaking defects are proposed. Based on a si
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Wilkowski, Gery. L52249 Failure Initiation Modes of Pipe with High Charpy Transition Temperature. Pipeline Research Council International, Inc. (PRCI), 2004. http://dx.doi.org/10.55274/r0010352.

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This project was developed to establish a general methodology to; (a) determine a simple way to assess what is the lowest temperature where ductile crack initiation will occur for a sharp crack or a blunt flaw (i.e., corrosion), (b) to developed several optional approaches to predict the transition temperature shifts that depend on what type of lab specimen data are available, and (c) show validation from past tests as well as by conducting tests on older vintage linepipe steels. This report presents a methodology that determines the lowest temperature where ductile fracture would occur for ei
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Fawcett, Caroline S. Latin American Youth in Transition: A Policy Paper on Youth Unemployment in Latin America and the Caribbean. Inter-American Development Bank, 2002. http://dx.doi.org/10.18235/0008409.

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This policy analysis looks at the economic relationships between sectors, where formal and informal sectors are intimately linked in terms of youth and adult workers, where skilled workers and their shortages exist throughout all sectors of the economy, and where downsizing and technical change shed large numbers of unskilled labor to the informal sector. Youth unemployment in Latin American and the Caribbean lives in the shadows of the broader labor market demand and wage dynamics, whereby youth unemployment is simply a fractured reflection of larger labor market issues. Moreover, the impact
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COLLAPSE RESISTANCE CALCULATION WITH DIFFERENT STIFFNESS CONNECTIONS BASED ON THE COMPONENT METHOD. The Hong Kong Institute of Steel Construction, 2023. http://dx.doi.org/10.18057/ijasc.2023.19.1.1.

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The collapse performance of steel frames generally depends on their ability to resist local damage. However, this ability is decided by the connection behavior, which has not been determined methodically and reliably. Thus, developing a simplified connection model for predicting the structural collapse resistance is critical for preventing progressive collapse. In this study, component models were constructed with different stiffness connections, including the double web angle (DWA), top-seat with double web angle (TSDWA), and welded flange-bolted web (WUF) connections, according to the compon
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CALCULATION OF THE RESISTANCE WITH DIFFERENT STIFFNESS CONNECTIONS AGAINST PROGRESSIVE COLLAPSE BASED ON THE COMPONENT METHOD. The Hong Kong Institute of Steel Construction, 2022. http://dx.doi.org/10.18057/icass2020.p.108.

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"The collapse performance of steel frames generally depends on their ability to resist local damage, however, this ability depends on the behaviour of beam-to-column connections that have not yet to be identified in a methodical and reliable manner. Thus, it is critical to develop a simplified joint model, which could predict the structural collapse resistance to prevent progressive collapse. In this study, component models with different stiffness connections, namely the double web angle (DWA) connection, top-seat with double web angle connection (TSDWA) and welded flange-bolted web connectio
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