Academic literature on the topic 'Fracture fixation, internal'

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Journal articles on the topic "Fracture fixation, internal"

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Milenkovic, Sasa, Milos Stanojlovic, Milorad Mitkovic, and Mile Radenkovic. "Dynamic internal fixation of the periprosthetic femoral fractures after total hip arthroplasty." Acta chirurgica Iugoslavica 51, no. 3 (2004): 93–96. http://dx.doi.org/10.2298/aci0403093m.

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Periprosthetic fractures of the femur after total hip arthroplasty are a big orthopaedic problem, particularly in elderly patients and quite a challenge for orthopaedic surgeons. There is no universal method in treating these fractures. Rigid plates fixation can be limited and aggravated especially in the proximal part of the femur where the endoprosthesis stem does not allow for an undisturbed fixation of both femur cortexes by means of screws. Mitkovic?s dynamic internal fixator is an original implant allowing for an undisturbed fixation of both femur cortexes regardless of the presence of the endoprosthesis stem. Fixation is made possible by means of movable clamps and a convergent possibility to place screws. A dynamic internal fixator can fix all types of periprosthetic femoral fractures. The paper shows the early experience in fixating periprosthetic femoral fractures after total hip arthroplasty in 14 patients, average age 69,7. According to Vancouver classification, 3 patients had the type A fracture, 9 patients had the type B fracture, and 2 patients had the type C fracture. All fractures were fixed by Mitkovic?s dynamic internal fixator. The fracture occurred 2-12 years after primary total hip arthroplasty. The follow- up of the operated patients was 12 months. The method is less invasive than the methods described in books. Mechanical complications are not likely to appear due to the fracture dynamics along the femoral shaft axis, which is made possible by this implant. Our initial experience in femur fracture fixation after hip arthroplasty ahows that it is modern and effective dynamic implant which will contribute significantly to the improving of the treatment of these often very complicated fractures.
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Stiffler, Kevin S. "Internal fracture fixation." Clinical Techniques in Small Animal Practice 19, no. 3 (August 2004): 105–13. http://dx.doi.org/10.1053/j.ctsap.2004.09.002.

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Mitkovic, Milorad, Marko Bumbasirevic, Z. Golubovic, D. Mladenovic, Sasa Milenkovic, Ivan Micic, Aleksandar Lesic, et al. "New biological method of internal fixation of the femur." Acta chirurgica Iugoslavica 52, no. 2 (2005): 113–16. http://dx.doi.org/10.2298/aci0502113m.

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One of the main goals in fracture treatment is preservation of both intramedular and periosteal vascularisation. The aim of this paper is to show a new method of internal fixation which accomplishes these goals. The paper presents the results of clinical application of Mitkovic Internal Fixator, new self-dynamisable device, which provides fixation of the femur using minimally invasive technique. This device has been investigated experimentally on 60 animals. It has been applied to 267 patients. Here is presented a series of 92 fixations of femoral diaphyses after fresh fractures and after unsuccessful treatment using other methods. Follow-up was 3.1 years (2 to 7 years). Bone healing was achieved in all patients within 3.5 months (2.7-9 months) with big amount of periosteal callus formation. There were no complications in all patients seen. It can be concluded that this method and device meet biological and biomechanical requirements for safe fracture treatment.
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Gaughan, E. M., and N. G. Duchar. "Secondary Fractures Following Internal Fixation in Two Horses." Veterinary and Comparative Orthopaedics and Traumatology 02, no. 03 (1989): 125–28. http://dx.doi.org/10.1055/s-0038-1633209.

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SummaryImplant associated fractures have not been reported in horses. Two horses were evaluated for fractures in the fore limbs, occurring subsequent to previous fracture repair. Previously, the horses had sustained fractures of unusual configurations which were repaired using internal fixation. Following repair and healing of the fractures, secondary fractures occurred in the same bone, but in a different (more common) configuration. The first horse was evaluated ten months following lag screw fixation of a longitudinal fracture of the proximal phalanx in a frontal plane. This horse presented with a more typical comminuted fracture in the sagittal plane with the screws from the first fixation lying in the fracture line. This fracture was successfully treated with a cast. The second horse was examined eightteen months after repair of a medial sagittal slab fracture of the third carpal bone. The horse presented with a more typical dorsal slab fracture of the third carpal bone with the previously placed lag screw lying in the fracture line. The screw was removed and a lag screw was placed perpendicular to the new fracture plane through the dorsal surface of the third carpal bone to repair the fracture.
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Akino, Hiromasa, Shunpei Hama, Masataka Yasuda, Kenta Minato, and Masahiro Miyashita. "Bone Resection for Isolated Ulnar Head Fracture." Case Reports in Orthopedics 2017 (2017): 1–4. http://dx.doi.org/10.1155/2017/3519146.

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Distal ulnar fractures often occur with distal radius fractures (DRFs), and ulnar styloid fractures commonly occur in the setting of DRF. However, isolated ulnar head fractures are rare. We report a case of isolated ulnar head fracture in which we performed bone resection because the ulnar head bone fragment fractured when internal screw fixation was attempted. His outcome at 18 months postoperatively was considered excellent. However, we do not advocate bone resection other than failure of fixation and the difficult case to perform internal fixation. Longer follow-up would be needed because bone resection might lead to osteoarthritis of the distal radioulnar joint in the future.
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Guo, Hui, Jiantao Li, Yuan Gao, Shaobo Nie, Chenliang Quan, Jia Li, and Wei Zhang. "A Finite Element Study on the Treatment of Thoracolumbar Fracture with a New Spinal Fixation System." BioMed Research International 2021 (April 10, 2021): 1–9. http://dx.doi.org/10.1155/2021/8872514.

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Objective. In this study, the mechanical properties of the new spinal fixation system (NSFS) in the treatment of thoracolumbar fractures were evaluated by the finite element analysis method, so as to provide a mechanical theoretical basis for the later biomechanical experiments and clinical experiments. Methods. T12-L2 bone model was constructed to simulate L1 vertebral fracture, and three models of internal fixation systems were established on the basis of universal spinal system (USS): Model A: posterior short-segment fixation including the fractured vertebra (PSFFV); Model B: short-segment pedicle screw fixation (SSPF); Model C: new spinal fixation system (NSFS). After assembling the internal fixation system and fracture model, the finite element analysis was carried out in the ANSYS Workbench 18.0 software, and the stress of nail rod system, fracture vertebral body stress, vertebral body mobility, and vertebral body displacement were recorded in the three models. Results. The peak values of internal fixation stress, vertebral body stress, vertebral body maximum displacement, and vertebral body maximum activity in Model C were slightly smaller than those in Model B. Conclusions. Compared with the traditional internal fixation system, the new spinal internal fixation system may have the mechanical advantage and can provide sufficient mechanical stability for thoracolumbar fractures.
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Atul, Parashar, K. Sharma Ramesh, and Makkar Surinder. "Rigid internal fi xation of zygoma fractures: A comparison of two-point and three-point fi xation." Indian Journal of Plastic Surgery 40, no. 01 (January 2007): 18–24. http://dx.doi.org/10.1055/s-0039-1699174.

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ABSTRACT Background:Displaced fractures of the zygomatic bone can result in significant functional and aesthetic sequelae. Therefore the treatment must achieve adequate and stable reduction at fracture sites so as to restore the complex multidimensional relationship of the zygoma to the surrounding craniofacial skeleton. Many experimental biophysical studies have compared stability of zygoma after one, two and three-point fixation with mini plates. We conducted a prospective clinical study comparing functional and aesthetic results of two-point and three-point fixation with mini plates in patients with fractures of zygoma.Materials and Methods:Twenty-two patients with isolated zygomatic fractures over a period of one year were randomly assigned into two-point and three-point fixation groups. Results of fixation were analyzed after completion of three months. This included clinical, radiological and photographic evaluation.Results:The three-point fixation group maintained better stability at fracture sites resulting in decreased incidence of dystopia and enophthalmos. This group also had better malar projection and malar height as measured radiologically, when compared with the two-point fixation group.Conclusion:We recommend three-point rigid fixation of fractured zygoma after accurate reduction so as to maintain adequate stabilization against masticatory forces during fracture healing phase.
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Nagi, Ahmed, Islam Mubark, Islam Sarhan, and Abdelaleem Ragab. "Management of Unstable Phalangeal Shaft Fractures Using External Minifixator." Ortopedia Traumatologia Rehabilitacja 21, no. 3 (June 30, 2019): 177–86. http://dx.doi.org/10.5604/01.3001.0013.2922.

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Background. Fractures of the hand are the most common fractures in the skeletal system and phalangeal fractures constitute about 46% of all hand fractures. Operative treatment of unstable phalangeal fractures should aim at anatomic fracture reduction and stable fixation that allows early mobilization of the affected finger’s joints . This study evaluates the results of fixation of unstable shaft fractures of finger proximal or middle phalanges using a non-spanning external minifixator. Material and methods. 32 men and 8 women aged 17 to 60 (median, 31.25) years suffering from fractures of 44 phalanges in 40 hands were included in the study. Four of the fractured phalanges were middle phalanges and 40 were proximal phalanges .All fractures were fixed using a mini external fixator. All procedures were done under regional anaesthetic block. The fixator was applied after closed reduction of fractures. Additional procedures included wound debridement in open fractures, and tendon repair was needed in 4 cases. We excluded fractures where intraarticular fracture extension mandates open reduction and internal fixation. Results. At the end of the follow-up period (mean follow-up 11.5 months), patients were assessed clinically and radiologically. 26 fingers (59.1 %) had “excellent” results , 14 fingers (31.8 %) had “good” results and 4 fingers (9.1%) had “poor” results as their P.I.P. flexion ranges were < 80˚. Conclusion. External fixation of displaced phalangeal shaft fractures is an effective method of treatment in terms of a minimally invasive technique with rigid fracture fixation allowing early mobilization after surgery.
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Mohiuddin, M., M. Hasan, M. Shohag, R. N. Ferdousy, M. M. Alam, and N. S. Juyena. "Surgical management of limb fractures in calves and goats." Bangladesh Veterinary Journal 52, no. 1-4 (December 25, 2018): 46–56. http://dx.doi.org/10.32856/bvj-2018.06.

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The study was conducted to determine the occurrence of fractures in calves and goats at Veterinary Teaching Hospital (VTH), Bangladesh Agricultural University (BAU) and to compare the efficacy of fracture treatment with external and internal fixation using splints and bone plate/wire suture respectively. Patients brought to VTH with the history of automobile accident, trauma and clinical signs suggestive of fractures were subjected to detailed physical, orthopaedic and radiographic examinations to confirm fractures. A total of 6 calves and 4 Black Bengal goats were presented to VTH with limb fractures. Fractures were treated with close reduction and external fixation with splints and bandage, and open reduction and internal fixation with wire suture and bone plate. 50% and 75% fracture cases healed properly in calves and goats respectively. Among the affected animals, 60% were females irrespective of species. Metacarpal bone was the most susceptible for limb fracture. Three were open fractures and 7 cases were closed fracture with the occurrence of 70%. The healing percentage of open fracture treated with external fixation was very poor and amputation was needed in the fractured limb. Overall treatment success rate was 60 %. Biochemical analysis revealed very significant (p<0.01) difference in serum calcium level before and after healing due to hard callus formation. This study shows that bone plating fixation give a satisfactory results to calves with fracture. Moreover, the study could help veterinarians to set up proper treatment method depending on location of fracture.
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Hayashi, Kamichika, Takeshi Onda, Hirona Honda, Mitsuru Takata, Hiroyuki Matsuda, Hidetoshi Tamura, and Masayuki Takano. "High Submandibular Anteroparotid Approach for Open Reduction and Internal Fixation of Condylar Fracture." Case Reports in Dentistry 2021 (July 9, 2021): 1–9. http://dx.doi.org/10.1155/2021/5542570.

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Aim. There are several techniques for the treatment of mandibular condylar fractures. This is the first report of the high submandibular anteroparotid approach for open reduction and internal fixation of condylar fracture. Materials and Methods. A 41-year-old woman fell indoors and injured her face. She was referred to our department for detailed examination and treatment of a suspected mandibular fracture. X-ray and computed tomography showed a right mandibular condylar base fracture and lateral dislocation of the fracture fragment. Open reduction and internal fixation procedures were performed for a right mandibular condylar fracture under general anesthesia. The mandibular ramus was reached by approaching from the inferior margin of the mandible, delaminating the masseter fascia posteriorly, and bypassing the anterior margin of the parotid gland. Once the fractured bone was reached, reduction and fixation were performed. Results. We have achieved good results by the high submandibular anteroparotid approach, which is minimally invasive and simple, to reduce and fix condylar fractures. With this approach, no facial artery or retromandibular vein was encountered, and the mental stress for the surgeon was minimal. Postoperative wound infection, parotid gland complications such as parotitis and salivary fistula, facial nerve dysfunction such as facial paralysis, and esthetic disorders such as scarring were not observed. Conclusions. Although it is necessary to examine more cases in the future, the high submandibular anteroparotid approach may be useful as a new approach for open reduction and internal fixation of condylar fractures.
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Dissertations / Theses on the topic "Fracture fixation, internal"

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Shelton, Julia C. "Stability and failure of internal fixation systems." Thesis, Queen Mary, University of London, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.296780.

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Robb, Julie Lynn. "In vitro evaluation of veterinary and human suture anchors in metaphyseal bone of the canine tibia." Diss., Columbia, Mo. : University of Missouri-Columbia, 2006. http://hdl.handle.net/10355/5908.

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Thesis (M.S.)--University of Missouri-Columbia, 2006.
"August 2006" The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Vita. Includes bibliographical references.
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Stoffel, Karl Kilian. "Modern concepts in plate osteosynthesis." University of Western Australia. School of Surgery and Pathology, 2007. http://theses.library.uwa.edu.au/adt-WU2007.0116.

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[Truncated abstract] Renewed interest in the fixation of fractures using plates has been stimulated by an improved understanding of the biology of fracture healing and a drive towards minimally invasive surgery. This has led to a change in the way we use plates nowadays and the way in which we build the bone-plate construct, as well as the development of new implants better suited to these techniques. As a result of this, we have now the potential to safely expand the indications for plate fixation especially in the management of fractures in osteopenic bone. This thesis provides scientific evidence allowing for better formulation of the optimum way to use the modern plating systems in the clinical setting. Biological fracture repair with conventional plates, in terms of a less rigid construct to enhance fracture healing, is becoming increasingly popular. By omitting screws the construct becomes more flexible with a risk of fixation failure. It was the aim of the first paper to investigate in an experimental model the construct strength of different conventional plate lengths and number / position of the screws, and if an oblique screw at the plate end could increase the fixation strength. Our data suggest that the plate length is the most important factor in withstanding forces in cantilever bending. Longer plates with an equal number of screws require greater peak loads to failure than short plates with more screws. Furthermore, an oblique screw at the plate end produces an increased strength of fixation in all different test setups. However, the difference is more significant in shorter plates and in constructs with no screw omission adjacent to the fracture site. ... Following cyclic loading, however, locking plates can better retain fracture reduction compared to compression plates. On the other hand, under torsional load the compression plate appears to be biomechanical superior to the locking system. In supracondylar comminuted femur fractures, combining the two principles results in less plastic deformation, and a higher load to failure compared to their single application. The last two papers examine the behaviour of locking plates in osteopenic bone. In cadaveric intra-articular calcaneal fractures, the locking plate showed a significantly lower irreversible deformation during cyclic loading and a significantly higher load to failure. In dorsal and volar fixed angle distal radius constructs in a cadaveric model, all constructs showed adequate stability with minimal deformation on fatigue testing under physiological conditions in good bone quality. In osteoporotic bone, however, dorsal fixed angle constructs are stiffer and stronger than volar constructs. The addition of a styloid plate to a volar plate does not significantly improve stability.
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Stankewich, Charles J. "The hip fracture epidemic : prevention and treatment strategies /." Thesis, Connect to this title online; UW restricted, 1998. http://hdl.handle.net/1773/8088.

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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
Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Ciencias Medicas
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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 simples da diáfise do fêmur. Foram incluídos, retrospectivamente, 57 pacientes, consecutivos, tratados com a placa em onda com técnica de osteossíntese biológica, com seguimento mínimo de um ano de pós-operatório. Obteve-se índice de consolidação de 94,74% (54 em 57 pacientes) em tempo médio de 12,88 semanas. Conclui-se que o método pode ser considerado uma alternativa às hastes intramedulares, com índices de consolidação semelhantes
Abstract: Mechanical studies with wave plates, were a higher rigidity was shown in models with cortical contact, suggested a study to analyze the use of wave plate in femoral simple shaft fractures. A consecutive series of 57 patients treated with wave plates and biological internal fixation, and a minimal follow up of 1 year after surgery. Healing occurred in 94,74% (54 of 57 patients) with an average of 12 weeks. In conclusion, this method could be considered an alternative to intramedullary nailing, with similar success rates
Doutorado
Cirurgia
Doutor em Cirurgia
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Skoglund, Björn. "Following the mevalonate pathway to bone heal alley /." Linköping : Department of Clinical and Experimental Medicine, Materials in Medicine, Section of Orthopaedics and Sports Medicine, Faculty of Health Sciences, Linköping University, 2007. http://www.bibl.liu.se/liupubl/disp/disp2007/med1033s.pdf.

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Haynes, Rhona Claire. "Internal hip fracture fixation systems : analysis of implant performance for the optimisation of test protocols." Thesis, University of Bath, 1996. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.320560.

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Santos, Saulo Ellery 1983. "Análise topográfica através de análise metalográfica de placa e parafuso do sistema 2,4mm com sistema de travamento em três diferentes quantidades de ciclos de autoclavagem." [s.n.], 2012. http://repositorio.unicamp.br/jspui/handle/REPOSIP/288782.

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Orientador: Roger William Fernandes Moreira, Marcelo Marotta Araujo
Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba
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Resumo: Sistemas de fixação interna estável são utilizados em cirurgia óssea, sejam elas de fraturas ou osteotomias programadas, podem ser submetido a múltiplos procedimentos de esterilização procedimentos antes da implantação em um ambiente de acolhimento. Durante a sua utilização eventualmente o cirurgião depara-se com intercorrências cirúrgicas como quebra da placa durante a dobragem ou quebra de parafusos durante sua inserção e isso de fato ocorre na prática clínica. O objetivo do autor neste estudo foi avaliar se o processo repetido de autoclavagens influencia nas características de dureza e microscópicas das placas e parafusos do sistema 2,4mm "locking". A amostra foi dividas em placas: grupo I (0) controle, grupo II submetido a 20 processos de autoclavagem e grupo III submetido a 60 processos de autoclavagem. Os parafusos foram divididos da mesma forma: grupo I (0), grupo II (20) e grupo III (60). Após o preparo do corpo de provas foram realizados os testes de dureza e avaliação em microscopia da microestrutura. Encontrou-se uma média de valores de dureza de 180,2; 183,8 e 171,8 Vickers respectivamente para os grupos I, II e III das placas (p=0,497) e os valores médios de 328,8; 340,8 e 355,3 Vickers respectivamente para os grupos I, II e III dos parafusos (p=0,283). Na análise microscópica tanto dos parafusos quanto das placas observou-se imagens em 500x que revelaram a microestrutura do material, com grânulos em conformações diferentes, de acordo com a margem analisada, observam-se ainda formação de maclas, principalmente na margem interna, o que pode ser decorrente de força de pressão/cisalhamento durante processo de usinagem, mas sem diferenças entre os grupos. Baseado nos resultados obtidos nas amostras estudadas, observou-se que o processo repetido de autoclavagens não alterou significativamente as características de dureza e microscópicas do material analisado
Abstract: Stable internal fixation systems are used in bone surgery, either fractures or osteotomies, It can be submitted to multiple procedures sterilization procedures before implantation. During its use eventually the surgeon is confronted with surgical complications such as rupture of the plate during bending or breakage of screws during insertion, and this in fact occurs in clinical practice. The aim of study was to evaluate if the repeated autoclaving influences the characteristics of hardness and microscopic of plates and screws of 2.4 mm system "locking". The sample was divided into plates: group I (0) control, group II was subjected to 20 sterilization processes and group III underwent 60 procedures for autoclaving. The screws were divided equally: group I (0), group II (20) and group III (60). After preparing the sample, and were carried out hardness testing and evaluation in the microscopy of microstructure. We found a mean hardness value of 180.2, 183.8 and 171.8 Vickers respectively for the groups I, II and III of the plates (p = 0.497) and mean values of 328.8, 340.8 and 355.3 Vickers respectively for the groups I, II and III of the screws (p = 0.283). Microscopic analyzes of both screws and the plates was observed images 500x revealed that the microstructure of the material, with granules in different conformations in accordance with the margin analyzed, there are still forming twinned, especially in the inset, which may be due to pressure force / shear during the machining process, but no differences between groups was observed. Based on the results obtained in all samples, it was observed that the repeated autoclaving does not significantly alter the characteristics of the material hardness and microscopic examination
Doutorado
Cirurgia e Traumatologia Buco-Maxilo-Faciais
Doutor em Clínica Odontológica
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Johansson, Torsten. "Displaced Femoral Neck Fractures : A prospective randomized study of clinical outcome, nutrition and costs." Doctoral thesis, Linköping : Univ, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-5233.

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Wall, Gert. "Studies on segmental displacement after Le Fort I and bilateral sagittal split osteotomies stabilized by rigid internal fixation." Malmö : Dept. of Oral Surgery and Oral Medicine, School of Dentistry, University of Malmö, 2001. http://catalog.hathitrust.org/api/volumes/oclc/47627005.html.

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Books on the topic "Fracture fixation, internal"

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E, Jabaley Michael, and Hughes James L. 1937-, eds. Stable fixation of the hand and wrist. New York: Springer-Verlag, 1986.

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Internal fixation of thoracic and lumbar spine fractures. 2nd ed. Toronto: Hans Huber, 1989.

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Hierholzer, Sabine. Internal fixation and metal allergy: Clinical investigations, immunology, and histology of the implant tissue interface. Stuttgart: New York : Georg Thieme Verlag ; New York : Thieme Medical Publishers, Inc., 1992.

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Fractures. 3rd ed. Philadelphia, PA: Lippincott Williams & Wilkins, 2013.

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Schatzker, Joseph. The rationale of operative fracture care. 3rd ed. Berlin: Springer, 2005.

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Marvin, Tile, ed. The rationale of operative fracture care. Berlin: Springer-Verlag, 1987.

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Marvin, Tile, ed. The rationale of operative fracture care. 2nd ed. Berlin: Springer, 1996.

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Biomechanics and osteosynthesis of condylar neck fractures of the mandible. Chicago: Quintessence Pub. Co., 1994.

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Ali, Abbassian, and Langdon Ilana, eds. A practical guide to hand and carpal fracture management. London: Imperial College Press, 2009.

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Ilizarov, Gavriil Abramovich. The transosseous osteosynthesis: Theoretical and clinical aspects of the regeneration and growth of tissue. Edited by Green Stuart Alan. Berlin: Springer-Verlag, 1992.

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Book chapters on the topic "Fracture fixation, internal"

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Ratliff, A. H. C., J. H. Dixon, P. A. Magnussen, and S. K. Young. "Fracture Healing and Internal Fixation." In Selected References in Orthopaedic Trauma, 6. London: Springer London, 1989. http://dx.doi.org/10.1007/978-1-4471-1695-0_2.

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Schatzker, J. "Principles of Stable Internal Fixation." In The Rationale of Operative Fracture Care, 3–12. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-662-02483-6_1.

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Schatzker, J. "Principles of Stable Internal Fixation." In The Rationale of Operative Fracture Care, 3–27. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-642-88443-6_1.

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Bogdan, Yelena, and Torre Ruth. "Clavicle Fracture: Open Reduction Internal Fixation." In Tips and Tricks for Problem Fractures, Volume I, 1–12. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-38274-2_1.

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Kapoor, Harish, Adeel Aqil, and Osman Riaz. "Fractures of Proximal Humerus Open Reduction and Internal Fixation." In Fracture Reduction and Fixation Techniques, 113–20. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-68628-8_14.

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Stevens, Nicole M., and Kenneth Egol. "Coronoid Fracture: Open Reduction and Internal Fixation." In Fractures of the Elbow, 123–31. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-22857-6_14.

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Bauer, Jennifer M., and William G. Mackenzie. "Humeral Shaft Fracture: Open Reduction Internal Fixation." In Pediatric Orthopedic Trauma Case Atlas, 1–4. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-28226-8_11-1.

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Frangie, Robert. "Ankle Fracture: Open Reduction and Internal Fixation." In Operative Dictations in Orthopedic Surgery, 231–33. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-7479-1_64.

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Bauer, Jennifer M., and William G. Mackenzie. "Humeral Shaft Fracture: Open Reduction Internal Fixation." In Pediatric Orthopedic Trauma Case Atlas, 51–54. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-29980-8_11.

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Vitale, Mark A., and Robert J. Strauch. "Proximal Interphalangeal Joint Fracture-Dislocations: Closed Reduction Internal Fixation." In PIP Joint Fracture Dislocations, 43–56. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-28579-5_4.

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Conference papers on the topic "Fracture fixation, internal"

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Musuvathy, Suraj, Sergei Azernikov, and Tong Fang. "Semi-automatic customization of internal fracture fixation plates." In 2011 33rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 2011. http://dx.doi.org/10.1109/iembs.2011.6090132.

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Yan Choy, Hau, Peng Sheng Tan, and Ker Woon Choy. "Finite Element Analysis of Open Reduction Internal Fixation for Mandible Fracture." In ICBET '21: 2021 11th International Conference on Biomedical Engineering and Technology. New York, NY, USA: ACM, 2021. http://dx.doi.org/10.1145/3460238.3460266.

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Wang, Haosen, Zhixiu Hao, Shizhu Wen, and Chao Wan. "Numerical Simulation of the Healing Process in the Tibia Diaphysis Fracture Fixed With External Fixation." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-50693.

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The tibia diaphysis (shaft) fracture is one of the most common long bone fractures, and is usually treated with either the internal or the external fixations. How to choose a proper fixation type is still empirical and controversial. The objective of this study was to investigate whether the lateral external fixation (LEF) is suitable to treat the transverse and oblique tibia diaphysis fracture, from a mechanobiological perspective. The healing processes in the tibia fractures were simulated using the finite element method. The models of both the transverse and oblique (45°) tibia diaphysis fracture fixed with a LEF were built. A mechano-bioregulatory algorithm, which considered both the mechanobiological and biological environments, was developed to simulate the cell and tissue activities inside the callus. The results showed that both fractures healed in a typical secondary osteogenesis process. After 60 days, the regions of external callus and bone marrow were occupied with bone tissue. However, the mechanical stimulus in the inter-cortical region in the oblique fracture model with a less stiff LEF was greater than the stimulus in the transverse fracture model with the same LEF, indicating that the angled fracture was prone to generate greater instability. Moreover, increased osteogenic differentiation threshold only slightly affected the bone formation in the bridging areas, thus, had minor influences on the healing process. In conclusion, the lateral external fixation demonstrated satisfactory capacity in the treatment of the transverse and oblique tibia diaphysis fracture. The oblique fracture was more likely to be affected with a less stiff fixation.
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Fangyang, Shen, Shen Yue, and Qi Yue. "AR aided implant templating for unilateral fracture reduction and internal fixation surgery." In 2011 IEEE Virtual Reality (VR). IEEE, 2011. http://dx.doi.org/10.1109/vr.2011.5759459.

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Hazlett, Lauren, Gabriella Becker, Allyn Calvis, Mary Verzi, and Manish Paliwal. "Design of Bioabsorbable Polymeric Humeral Fracture Fixation Device." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-39743.

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Approximately 55,500 proximal humeral fractures require surgical fixation annually. The current standard for internal humeral fracture fixation involves implantation of rigid metallic devices to prevent dislocation of bone fragments. However, these devices have high stiffness characteristics which can cause stress shielding in bone. A second method of fixation, called biological fixation, decreases stiffness which reduces stress shielding by utilizing more flexible devices. This approach tends leads to increased incidences of delayed healing and nonunion of fracture fragments. Therefore, this device design implements two bioabsorbable polymers in two distinct layers that degrade at different rates. The purpose of this design is to provide rigid fixation during the initial fracture healing phase followed by a period of biological fixation, allowing for functional healing along with a reduction in stress shielding over time compared to current devices. The bioabsorbable property permits the device to remain in situ, thus eliminating the need for removal surgery and reducing the risk of surgical site infection. Using finite element analysis, the design has been demonstrated to exhibit varying axial, torsional, and flexural stiffness over time. The final device was fabricated by injection molding, and tested for flexural stiffness. In addition, the polymers were tested for stiffness at specific time intervals over the course of the degradation period. All stiffness tests were performed under simple three point loads. A Nikon 3200 camera (Nikon Inc., Melville, NY) was used to sequentially image the material samples and plate throughout each load application. The flexural stiffness of the device was determined by utilizing Digital Image Correlation analysis in Matlab (MathWorks, Inc.) to analyze surface displacements between image frames. The success of the device was determined by comparing the observed difference in stiffness to standard stiffness values for humeral fixation devices currently available on the market. A substantial decrease in stiffness combines the benefits of rigid and biological fixation devices as well as eliminates the complications associated with each, providing an improved solution for proximal humeral fractures.
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Ai, Yong-ping, Zong-li Shi, Wen-xun Guo, Xiao Sun, and Min Fang. "Preparation and Characterization of a Novel Material as Internal Fixation of Bone Fracture." In 2008 Congress on Image and Signal Processing. IEEE, 2008. http://dx.doi.org/10.1109/cisp.2008.778.

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Nguyen, Thuc-Quyen D., Andrew Y. Park, James Guido DiStefano, Jenni M. Buckley, William H. Montgomery, and Christopher D. Grimsrud. "Congruency of Scapula Locking Plates: Implications for Implant Design." In ASME 2010 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2010. http://dx.doi.org/10.1115/sbc2010-19117.

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While often treated non-operatively, certain displaced scapular fractures have shown improved clinical results with open reduction and internal fixation [1, 2]. Common methods of internal fixation for fractures of the scapula include non-locking and locking fracture plates. Locking scapula plate designs have several advantages over other repair techniques. First, they are site-specific and pre-contoured, which reduces soft-tissue irritation. Soft-tissue irritation is a common patient complaint, ultimately resulting in revision surgery in 7.1% of all scapular fracture cases [3]. A second advantage of locking plate designs is that the fixed angle design also helps create a more stable construct in thin cortical bone. Lastly, the anatomical fit of the locking scapula plates allows for reconstruction of comminuted fractures.
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Baoqing, Pei, Mu Jiao, Li Hui, Li Deyu, and Wang Yuhai. "Finite Element Analysis of Acetabular Transverse Fracture Reconstruction Treated with Different Internal Fixation Methods." In 2010 International Conference on Optoelectronics and Image Processing (ICOIP). IEEE, 2010. http://dx.doi.org/10.1109/icoip.2010.285.

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Coates, Cameron, Camille Coates-Clark, and Mykal Woody. "Post Healing Structural Response of an Internal Fixation System for a Mid-Shaft Radius Fracture." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-41600.

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Inexpensive models of the radius with and without an internal fixation system for a mid-shaft fracture are developed and analyzed using the Finite Element Method (FEM). FE models are based on geometry obtained from simple yet effective manufacturing methods. Median trabecular and cortical bone mechanical properties for a healthy adult male are used in the FEM model. These models are used to quantify the changes in bone stresses that occur when internal fixation devices are retained after the fracture has healed. The linear static responses to tensile and torsional loads with and without bone plates are examined. The static response trends obtained agree reasonably well with current literature where more expensive modeling techniques were used. A fatigue analysis is also performed based on the FE static results coupled with S-N curves for the plate and bone material in order to predict the combined mechanical response of the bone plate system over time. Recommendations are suggested which may be used as additional guidelines to consider for bone plate system selection and determination of hardware removal.
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Lubis, Didin Zakariya, Aminnudin, and Andi Hajisah Perwira. "Dynamic simulation analysis of internal fracture fixation plate using Ti-6AL-4V sheet metal material." In PROCEEDINGS OF THE 3RD INTERNATIONAL SEMINAR ON METALLURGY AND MATERIALS (ISMM2019): Exploring New Innovation in Metallurgy and Materials. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0000882.

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Reports on the topic "Fracture fixation, internal"

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Buys, Michael J. Use of the TRPV1 Agonist Capsaicin to Provide Long-Term Analgesia in a Rat Limb Fracture/Open Repair, Internal Fixation Model. Fort Belvoir, VA: Defense Technical Information Center, October 2012. http://dx.doi.org/10.21236/ada569521.

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Buys, Michael J. Use of the TRPV1 Agonist Capsaicin to Provide Long-Term Analgesia in a Rat Limb Fracture/Open Repair, Internal Fixation Model. Fort Belvoir, VA: Defense Technical Information Center, October 2011. http://dx.doi.org/10.21236/ada569523.

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Qin, Yi, Zhihong Liang, and Jian Li. Closed reduction Percutaneous Screw Fixation and open reduction plate internal fixation for displaced intra-articular calcaneal fractures: A meta-analysis of randomized controlled trial. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, January 2021. http://dx.doi.org/10.37766/inplasy2021.1.0081.

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Hao, Zhang, and Feng Ting. Systematic review and Meta-analysis of early and late open reduction and internal fixation in the treatment of multiple rib fractures. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, December 2020. http://dx.doi.org/10.37766/inplasy2020.12.0101.

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