Готові списки джерел за темами / Bone endoprostheses

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Добірка наукової літератури з теми "Bone endoprostheses"

Автор: Grafiati

Опубліковано: 30 травня 2022

Оновлено: 31 травня 2022

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Статті в журналах з теми "Bone endoprostheses"

Smolle, Maria A., Dimosthenis Andreou, Per-Ulf Tunn, and Andreas Leithner. "Advances in tumour endoprostheses: a systematic review." EFORT Open Reviews 4, no. 7 (July 2019): 445–59. http://dx.doi.org/10.1302/2058-5241.4.180081.

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Tumour endoprostheses have facilitated limb-salvage procedures in primary bone and soft tissue sarcomas, and are increasingly being used in symptomatic metastases of the long bones. The objective of the present review was to analyse articles published over the last three years on tumour endoprostheses and to summarize current knowledge on this topic. The NCBI PubMed webpage was used to identify original articles published between January 2015 and April 2018 in journals with an impact factor in the top 25.9% of the respective category (orthopaedics, multidisciplinary sciences). The following search-terms were used: tumour endoprosthesis, advances tumour endoprosthesis, tumour megaprosthesis, prosthetic reconstruction AND tumour. We identified 347 original articles, of which 53 complied with the abovementioned criteria. Articles were categorized into (1) tumour endoprostheses in the shoulder girdle, (2) tumour endoprostheses in the proximal femur, (3) tumour endoprostheses of the knee region, (4) tumour endoprostheses in the pelvis, (5) (expandable) prostheses in children and (6) long-term results of tumour endoprostheses. The topics of interest covered by the selected studies largely matched with the main research questions stated at a consensus meeting, with survival outcome of orthopaedic implants being the most commonly raised research question. As many studies reported on the risk of deep infections, research in the future should also focus on potential preventive methods in endoprosthetic tumour reconstruction. Cite this article: EFORT Open Rev 2019;4:445-459. DOI: 10.1302/2058-5241.4.180081

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Rogala, Piotr, Ryszard Uklejewski, Mariusz Winiecki, Mikołaj Dąbrowski, Jacek Gołańczyk, and Adam Patalas. "First Biomimetic Fixation for Resurfacing Arthroplasty: Investigation in Swine of a Prototype Partial Knee Endoprosthesis." BioMed Research International 2019 (July 1, 2019): 1–14. http://dx.doi.org/10.1155/2019/6952649.

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Resurfacing hip and knee endoprostheses are generally embedded in shallow, prepared areas in the bone and secured with cement. Massive cement penetration into periarticular bone, although it provides sufficient primary fixation, leads to the progressive weakening of peri-implant bone and results in failures. The aim of this paper was to investigate in an animal model the first biomimetic fixation of components of resurfacing arthroplasty endoprostheses by means of the innovative multispiked connecting scaffold (MSC-Scaffold). The partial resurfacing knee arthroplasty (RKA) endoprosthesis working prototype with the MSC-Scaffold was designed for biomimetic fixation investigations using reverse engineering methods and manufactured by selective laser melting. After Ca-P surface modification of bone contacting surfaces of the MSC-Scaffold, the working prototypes were implanted in 10 swines. Radiological, histopathological, and micro-CT examinations were performed on retrieved bone-implant specimens. Clinical examination confirmed very good stability (4 in 5-point Likert scale) of the operated knee joints. Radiological examinations showed good implant fixation (radiolucency less than 2 mm) without any signs of migration. Spaces between the MSC-Scaffold spikes were penetrated by bone tissue. The histological sections showed newly formed trabecular bone tissue between the spikes, and the trabeculae of periscaffold bone were seen in contact with the spikes. The micro-CT results showed the highest percentage of bone tissue ingrowths into the MSC-Scaffold at a distance of 2.5÷3.0 mm from the spikes bases. The first biomimetic fixation for resurfacing arthroplasty was successfully verified in 10 swines investigations using RKA endoprosthesis working prototypes. The performed research shows that the MSC-Scaffold allows for cementless and biomimetic fixation of resurfacing endoprosthesis components in periarticular cancellous bone.

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Smetanin, S. M., and G. M. Kavalerskiy. "Mathematic Modelling of Stress in Healthy Knee Joint and After Arthroplastywith Different Typesof Endoprostheses." N.N. Priorov Journal of Traumatology and Orthopedics 24, no. 2 (June 15, 2017): 11–16. http://dx.doi.org/10.17816/vto201724211-16.

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Purpose of study. To study stressed-deformed state of the healthy knee joint and after arthroplasty using endoprostheses with either preservation or substitution of the posterior cruciate ligament by the method of numerical mathematical modelling. Materials and methods. Peculiarities of stress distribution in bones were determined on three mathematical models - healthy knee joint and joint after arthroplasty using endoprostheses with either preservation or substitution of the posterior cruciate ligament at the set load (80 kg) in straightened leg and either 45° or 90° knee flexion. Results. In healthy knee joint with a straightened leg the stress in the tibia is 2.3 times higher than in the femur. With knee flexion the stress in bone tissue increases and this increase is more intensive in the femur. After arthroplasty using endoprosthesis with substitution of the posterior cruciate ligament the stress in the tibia and femur is higher at all flexion angles as compared to arthroplasty using endoprosthesis with posterior cruciate ligament preservation Conclusion. The obtained data may be used for mathematical substantiation of the advantage of endoprosthesis with preservation of the posterior cruciate ligament and in complex with the data of national and international registers will enable to optimize the treatment tactics in patients to whom knee arthroplasty is indicated.

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Smetanin, S. M., and G. M. Kavalerskiy. "Mathematic Modelling of Stress in Healthy Knee Joint and After Arthroplastywith Different Typesof Endoprostheses." Vestnik travmatologii i ortopedii imeni N.N. Priorova, no. 2 (June 30, 2017): 11–16. http://dx.doi.org/10.32414/0869-8678-2017-2-11-16.

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Purpose of study. To study stressed-deformed state of the healthy knee joint and after arthroplasty using endoprostheses with either preservation or substitution of the posterior cruciate ligament by the method of numerical mathematical modelling.Materials and methods.Peculiarities of stress distribution in bones were determined on three mathematical models - healthy knee joint and joint after arthroplasty using endoprostheses with either preservation or substitution of the posterior cruciate ligament at the set load (80 kg) in straightened leg and either 45° or 90° knee flexion.Results. In healthy knee joint with a straightened leg the stress in the tibia is 2.3 times higher than in the femur. With knee flexion the stress in bone tissue increases and this increase is more intensive in the femur. After arthroplasty using endoprosthesis with substitution of the posterior cruciate ligament the stress in the tibia and femur is higher at all flexion angles as compared to arthroplasty using endoprosthesis with posterior cruciate ligament preservationConclusion.The obtained data may be used for mathematical substantiation of the advantage of endoprosthesis with preservation of the posterior cruciate ligament and in complex with the data of national and international registers will enable to optimize the treatment tactics in patients to whom knee arthroplasty is indicated.

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Mahdal, Michal, Lukáš Pazourek, Vasileios Apostolopoulos, Dagmar Adámková Krákorová, Iva Staniczková Zambo, and Tomáš Tomáš. "Outcomes of Intercalary Endoprostheses as a Treatment for Metastases in the Femoral and Humeral Diaphysis." Current Oncology 29, no. 5 (May 13, 2022): 3519–30. http://dx.doi.org/10.3390/curroncol29050284.

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Background: The purpose of this study was to evaluate the implant survival, functional score and complications of intercalary endoprostheses implanted for metastatic involvement of the femoral and humeral diaphysis. Methods: The selected group covered patients with bone metastasis who were surgically treated with an intercalary endoprosthesis between 2012 and 2021. The functional outcome was evaluated with the Musculoskeletal Tumor Society (MSTS) scoring system, and complications were evaluated by using the failure classification for prosthetics designed by Henderson. Results: The mean follow-up was 29.8 months. In our group of 25 patients with 27 intercalary endoprostheses (18 femurs, 9 humeri), there were 7 implant-related complications (25.9%), which were more common on the humerus (4 cases, 44.4%) than on the femur (3 cases, 16.7%). Only type II failure—aseptic loosening (5 cases, 18.5%)—and type III failure—structural failure (2 cases, 7.4%)—occurred. There was a significantly higher risk of aseptic loosening of the endoprosthesis in the humerus compared with that in the femur (odds ratio 13.79, 95% confidence interval 1.22–151.05, p = 0.0297). The overall cumulative implant survival was 92% 1 year after surgery and 72% 5 years after surgery. The average MSTS score was 82%. The MSTS score was significantly lower (p = 0.008) in the humerus (75.9%) than in the femur (84.8%). Conclusions: The resection of bone metastases and replacement with intercalary endoprosthesis has excellent immediate functional results with an acceptable level of complications in prognostically favourable patients.

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Le Bras, Linh-Aurore, Anatolie Timercan, Marie Llido, Yvan Petit, Bernard Seguin, Bertrand Lussier, and Vladimir Brailovski. "Personalized endoprostheses for the proximal humerus and scapulohumeral joint in dogs: Biomechanical study of the muscles’ contributions during locomotion." PLOS ONE 17, no. 1 (January 24, 2022): e0262863. http://dx.doi.org/10.1371/journal.pone.0262863.

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Osteosarcoma represents one of the most common bone tumours in dogs. It commonly occurs in the proximal humerus, the most affected anatomic site. Until recently, amputation or limb-sparing surgery leading to an arthrodesis coupled with chemotherapy were the only available treatments, but they often lead to complications, reduced mobility and highly impact dog’s quality of life. Prototypes of both articulated and monobloc (no mobility) patient-specific endoprostheses have been designed to spare the limb afflicted with osteosarcoma of the proximal humerus. This study focuses on the biomechanical effects of endoprostheses and shoulder muscle kinematics. For each of the endoprosthesis designs, a minimal number of muscles needed to ensure stability and a certain degree of joint movement during walking is sought. A quasi-static study based on an optimization method, the minimization of the sum of maximal muscle stresses, was carried out to assess the contribution of each muscle to the shoulder function. The identification of the most important muscles and their impact on the kinematics of the prosthetic joint lead to an improvement of the endoprosthesis design relevance and implantation feasibility.

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Bondarenko, S. Ye, S. A. Denisenko, M. Yu Karpinsky, and O. V. Yaresko. "Investigation of the effect of porous titanium cups on stress distribution in bone tissue (mathematical modeling)." TRAUMA 22, no. 3 (July 19, 2021): 28–37. http://dx.doi.org/10.22141/1608-1706.3.22.2021.236320.

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Introduction. During arthroplasty in patients with altered anatomy and osteoporosis of the acetabulum, stable fixation of the acetabular component of the endoprosthesis is a very difficult task. There are studies on the bone tissue bonding to titanium, tantalum and ceramic coatings of endoprostheses. However, there are insufficient data on the influence of the strength characteristics of modern surfaces of the cups for hip endoprostheses on the distribution of mechanical stresses in the bone tissue around the implanted components. The purpose was to study on a mathematical model the changes in the stress-strain state of the endoprosthesis-bone system as a result of using porous tantalum cup. Materials and methods. A mathematical modeling has been carried out of the stress-strain state of the human hip joint in arthroplasty with porous cup. Du-ring the study, a defect in the acetabular roof filled with a bone implant fixed with two screws was simulated, as well as a defect in the acetabular floor filled with bone “chips”. Endoprosthesis cups were modeled in two versions: from solid titanium with a spray coating of porous titanium, and those entirely made of porous titanium. A distributed load of 540 N was applied to the sacrum. A load was applied between the iliac wing and the greater trochanter of the femur simulating the action of the gluteus medius — 1150 N and the gluteus minimus — 50 N. Results. The use of a cup with a coating of porous titanium in the normal state of the acetabulum leads to the occurrence of maximum stresses (15.9 MPa) in its posterior-upper part. Minimum stresses of 4.6 MPa are observed in the center of the acetabulum. The use of an endoprosthesis with porous titanium cup allows reducing the level of stresses in the bone tissue around the cup. If there is a defect in the acetabular roof, a hip endoprosthesis with porous titanium cup causes less stress than a solid titanium cup with coating of porous titanium. But on the graft, the stress level remains practically unchanged, regardless of the type of cup. The use of porous tantalum cup in the presence of a defect in the acetabular floor causes significantly less stress in the bone tissue around it, compared to an all-metal cup with coating. Conclusions. The cup of the hip endoprosthesis made of porous titanium causes significantly less stress in all control points of the model, compared to a cup made of solid titanium with coating of porous titanium, both with defects in the acetabular roof and floor, and without bone defects.

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Gafton, Georgiy, Yuriy Gudz, Ivan Gafton, Grigoriy Zinovev, Vladislav Semiglazov, and V. Petrov. "EXPERIENCE OF ENDOPROSTHETICS OF PATIENTS WITH PELVIC TUMORS." Problems in oncology 63, no. 2 (February 1, 2017): 309–15. http://dx.doi.org/10.37469/0507-3758-2017-63-2-309-315.

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This study presents an analysis of the effectiveness of organ-preserving surgeries using various endoprostheses in patients with malignant tumors of the pelvic bones. Nine patients (male - 3, female - 7) with malignant tumors of the pelvic bones (chondrosarcoma - 7, osteosarcoma - 1, me-tastases - 2) underwent organ-preserving surgeries with endo-prosthetics of the postresection defect. The average age of the patients was 38 years (15-67 years). During the operation two patients were equipped with individual prostheses of Waldemar Link, one patient - a combined prosthesis with an individual pelvic component (from Biomedical) and a modular femoral component. In 7 patients modular structures of Implant-Сast were used. The pelvic component was cementless, femoral -more often (7 cases) on a cement basis. Patients were assessed by oncological, surgical and functional results. Anatomically-functional status was assessed on the MSTS scale. As a conclusion good functional and oncological results can be obtained even with the resection of three segments of the pelvic bones if the ileal bone volume is sufficient for a good fixation of the endoprosthesis. To achieve the most durable fixation of the femoral component of the endoprosthesis it is better to use bone cement.

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TANZER, MICHAEL, ROBERT TURCOTTE, EDWARD HARVEY, and J. DENNIS BOBYN. "EXTRACORTICAL BONE BRIDGING IN TUMOR ENDOPROSTHESES." Journal of Bone and Joint Surgery-American Volume 85, no. 12 (December 2003): 2365–70. http://dx.doi.org/10.2106/00004623-200312000-00014.

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Mironov, S. P., A. V. Balberkin, D. A. Shavyrin, V. N. Karpov, A. F. Kolondaev, and D. A. Snetkov. "Outcomes of Reconstructive Surgery for Defects of the Articular Ends of Bones Using Home Joint Implants." N.N. Priorov Journal of Traumatology and Orthopedics 22, no. 3 (September 15, 2015): 36–40. http://dx.doi.org/10.17816/vto201522336-40.

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Long-term outcomes of reconstructive operations for substitution of post-resection defects of the articular ends of tubular bones that form the hip, knee and shoulder joints using home endoprosthesis were studied. The study included 344 patients who were treated at CITO department of bone pathology from 2004 to 2014. Substitution of the defect was performed in 236 and 108 cases for the knee, hip joints, respectively. Indications for surgical intervention were: bone tumors; previously performed arthroplasty failure; defects of the articular ends after failed traumatologic and orthopaedic operations; severe forms of knee arthroses. Functional results (MSTS scale), survival of constructions, inflammatory complications were analyzed and comparative evaluation with imported analogues was performed. General functional outcomes and rate of complications correspond to the data on application of new oncologic and modular endoprostheses presented in foreign literature.

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Більше джерел

Дисертації з теми "Bone endoprostheses"

Шадріна, Галина Миколаївна. "Склокристалічні покриття по сплавах титану в системі R₂O – RO – RO₂ – R₂O₃ – P₂O₅ – SіO₂ для кісткового ендопротезування". Thesis, НТУ "ХПІ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/21953.

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Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.17.11 – технологія тугоплавких неметалічних матеріалів. – Національний технічний університет "Харківський політехнічний інститут", Харків, 2016 р. Дисертацію присвячено розробленню основ технології одержання склокристалічних покриттів по сплавах титану на основі системи R₂O – RO – RO₂ – R₂O₃ – P₂O₅ – SіO₂ для кісткового ендопротезування. Сформульовано наукові положення одержання кальційсилікофосфатних склокристалічних покриттів як біоактивних компонентів ендопротезів кульшового суглобу та нижньої шелепи. Обрано вихідну склоутворюючу систему та встановлено механізм структуро- і фазоутворення в модельних стеклах та особливості формування на їх основі покриттів по сплавах титану під час термічної обробки. Розроблено технологію одержання біоактивних склокристалічних покриттів з мікро-твердістю H = 6620 ÷ 7050 МПа, параметром тріщиностійкості K1C = 2,01 ÷ 2,73 МПа·м1/2, твердістю за Віккерсом HV = 5440 ÷ 5660 МПа, адгезійною міцністю σадг = 16 ÷ 17 МПа та підтверджено формування апатитоподібного шару на поверхні розроблених покриттів in vitro, що дозволяє використовувати їх в умовах змінних динамічних навантажень.
Thesis for the Candidate of Technical Sciences Degree n specialty 05.17.11 – Technology of refractory nonmetallic materials. – National Technical University "Kharkiv Polytechnical Institute", Kharkiv, 2016. The thesis is dedicated to development of technological bases of obtaining glass-ceramic coatings on titanium alloys in the R₂O – RO – RO₂ – R₂O₃ – P₂O₅ – SіO₂ system for bone endoprostheses. Scientific provisions of obtaining calcium silicophos-phate glass-ceramic coatings as bioactive components of endoprostheses of coxofemo-ral joint and lower jaw bone were defined. Initial glass-forming system was chosen, mechanism of structure- and phase-formation in model glasses and characteristics of coatings formation on their base on titanium alloys during thermal treatment has been established. Technology of bioactive glass-ceramic coatings with microhardness of H = 6620 ÷ 7050 MPa, crack toughness parameter K1C = 2,01 ÷ 2,73 MPa·м1/2, Vickers hardness HV = 5440 ÷ 5660 MPa, adhesive strength σadh 16 ÷ 17 MPa has been developed, formation of apatite-like layer on the surface of developed coatings in vitro has been confirmed which allows their use in conditions of conditions of variable dynamic loads.

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Noble, Garrett John. "Evaluation of a Press Fit, Percutaneous, Skeletally Anchored Endoprosthesis for Prosthetic Limb Attachment: Bone Response and the Effect of Low Intensity Vibration." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1437649394.

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Сташкевич, С. И. "Повышение эффективности обработки чаши для шарнирного соединения эндопротезов". Thesis, Видавництво СумДУ, 2010. http://essuir.sumdu.edu.ua/handle/123456789/11456.

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Vystrk, Tomáš. "Deformačně napěťová analýza tumorózní totální endoprotézy kyčelního kloubu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-382551.

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Tumorous total endoprosthesis of hip joint is used for reconstruction of the limb affected by bone tumor and to regain its functnion. Longterm load conditions must be considered by the reconstruction and the joint mobility must be enabled. Suitability of the endoprosthesis depends on its construction considering shape, material and with this related mechanical properties. This thesis deals with creation of computational model and stress-strain analysis of tumorous total endoprosthesis of hip joint. There are two different types of endoprosthesis modeled in this thesis, each with three different length of resected bone replacement. Based on stress-strain analysis an assessment of possible limit states is made.

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Schunck, Antje. "Freisetzung des Röntgenkontrastmittels Zirkoniumdioxid an der implantatzugewandten Seite von PMMA-Zementköchern - REM-Analyse und -Charakterisierung bei zementierten Hüftendoprothesenschäften vom Typ CF-30." Doctoral thesis, 2020. http://hdl.handle.net/21.11130/00-1735-0000-0005-1454-6.

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Книги з теми "Bone endoprostheses"

McCabe, Sam, Christopher Harnain, and Grigory Rozenblit. Percutaneous Placement of a Temporary Large-Bore Biliary Endoprosthesis. Edited by S. Lowell Kahn, Bulent Arslan, and Abdulrahman Masrani. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199986071.003.0084.

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This chapter describes construction of a temporary large-bore biliary endoprosthesis from a standard pigtail drainage catheter. Management of benign common duct biliary strictures often requires multiple interventions and leaves the patient with an indwelling biliary catheter for a prolonged time course. Commercially available plastic, bare-metal, and covered metal biliary stents are not ideally suited for the management of benign strictures. The endoprosthesis is cut to length and then positioned, deployed, and tethered to the abdominal wall with an absorbable suture. After the suture dissolves in several months, the catheter is propelled into the intestine by peristalsis and expelled without the need for an additional procedure.

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Частини книг з теми "Bone endoprostheses"

Willert, H. G. "Morphology of Implant—Bone Interface in Cemented and Non-cemented Endoprostheses." In Implant Bone Interface, 27–34. London: Springer London, 1990. http://dx.doi.org/10.1007/978-1-4471-1811-4_5.

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Matsumoto, Seiichi, Noriyoshi Kawaguchi, Katsuhisa Amino, Jun Manabe, Kohtaro Furuya, and Yasushi Isobe. "Results of Alumina-Ceramic Endoprostheses Used for Bone Tumor Cases." In New Developments for Limb Salvage in Musculoskeletal Tumors, 309–12. Tokyo: Springer Japan, 1989. http://dx.doi.org/10.1007/978-4-431-68072-7_46.

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Kummer, Benno. "Biomechanics of Endoprostheses of the Hip and Adaptive Reactions of the Bone." In Joint Surgery Up to Date, 5–17. Tokyo: Springer Japan, 1989. http://dx.doi.org/10.1007/978-4-431-68096-3_2.

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De Camargo, O. P., N. R. B. De Oliveira, R. Campos Filho, and A. T. Croci. "Polyethylene Endoprostheses for the Treatment of Malignant Bone Tumors: A Long-Term Follow-Up Study." In Limb Salvage, 271–75. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-75879-9_37.

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Smolin, Alexey Yu, Galina M. Eremina, and Evgeny V. Shilko. "A Tool for Studying the Mechanical Behavior of the Bone–Endoprosthesis System Based on Multi-scale Simulation." In Springer Tracts in Mechanical Engineering, 91–126. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60124-9_5.

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AbstractThe chapter presents recent advances in developing numerical models for multiscale simulation of the femur–endoprosthesis system for the case of hip resurfacing arthroplasty. The models are based on the movable cellular automaton method, which is a representative of the discrete element approach in solid mechanics and allows correctly simulating mechanical behavior of a variety of elastoplastic materials including fracture and mass mixing. At the lowest scale, the model describes sliding friction between two rough surfaces of TiN coatings, which correspond to different parts of the friction pair of hip resurfacing endoprosthesis. At this scale, such parameters of the contacting surfaces as the thickness, roughness, and mechanical properties are considered explicitly. The next scale of the model corresponds to a resurfacing cap for the femur head rotating in the artificial acetabulum insert. Here, sliding friction is explicitly computed based on the effective coefficient of friction obtained at the previous scale. At the macroscale, the proximal part of the femur with a resurfacing cap is simulated at different loads. The bone is considered as a composite consisting of outer cortical and inner cancellous tissues, which are simulated within two approaches: the first implies their linear elastic behavior, the second considers these tissues as Boit’s poroelastic bodies. The later allows revealing the role of the interstitial biological fluid in the mechanical behavior of the bone. Based on the analysis of the obtained results, the plan for future works is proposed.

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Jeys, Lee M., Rachel Mahoney, and Vineet Kurisunkal. "Implant Reconstruction of the Forearm, Wrist and Hand: Distal Radius Endoprosthesis." In Orthopedic Surgical Oncology For Bone Tumors, 513–18. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-73327-8_48.

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Inoue, Osamu, Kunio Ibaraki, Hiromichi Norimatsu, Munetoshi Kayo, Masanori Takeuchi, and Akira Arakaki. "Limb Saving Surgery Without Endoprosthesis on Malignant Bone Tumors." In New Developments for Limb Salvage in Musculoskeletal Tumors, 353–57. Tokyo: Springer Japan, 1989. http://dx.doi.org/10.1007/978-4-431-68072-7_53.

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Driessens, F. C. M., I. Khairoun, M. G. Boltong, and J. A. Planell. "Design of a calcium phosphate bone cement suitable for the fixation of metal endoprostheses." In Bioceramics, 279–82. Elsevier, 1997. http://dx.doi.org/10.1016/b978-008042692-1/50066-2.

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Lorkowski, Jacek, Renata Wilk, and Mieczysław Pokorski. "In Silico Analysis of Bone Tension During Fixation of the Medial Malleolus Fracture After Ankle Joint Endoprosthesis." In Advances in Experimental Medicine and Biology. New York, NY: Springer US, 2020. http://dx.doi.org/10.1007/5584_2020_610.

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Тези доповідей конференцій з теми "Bone endoprostheses"

Shetye, Snehal, Stewart Ryan, Nicole Ehrhart, and Christian Puttlitz. "Novel Endoprosthesis for Limb Sparing of Canine Distal Radius Osteosarcoma Patients: A Modular Approach." In ASME 2011 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2011. http://dx.doi.org/10.1115/sbc2011-53164.

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Distal radius osteosarcoma accounts for nearly 10% of all cancer-related maladies within the canine population. Traditional methods of treatment include amputation and/or chemotherapy. A major increase in survival rates (from 10% to 60%) with the combined use of these two techniques has now directed research towards saving the limbs of these patients. Massive cortical bone allografts, metal endoprosthesis and distraction osteogenesis are some of the available limb sparing approaches that have been investigated. Distraction osteogenesis requires surgeon expertise and significant post-operative intervention. Cortical allografts require the maintenance of a bone bank. Furthermore, they are associated with increased infection rates and ultimately result in amputation of the affected limb. Metal endoprostheses are a viable alternative to these methods. A metal endoprosthesis has previously been developed for limb sparing of distal radius osteosarcoma patients. However, a clinical trial of this device demonstrated failure rates of approximately 40%. The major causes of failure were screw pullout and shear failure of the proximal radius screws. A computational finite element study conducted in our laboratory corroborated these findings and provided critical information as regards to the structural causes of failure for these implants.

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Heimann, R. B., H. Kurzweg, and T. A. Vu. "Hydroxyapatite-Bond Coat Systems for Improved Mechanical and Biological Performance of Hip Implants." In ITSC 1998, edited by Christian Coddet. ASM International, 1998. http://dx.doi.org/10.31399/asm.cp.itsc1998p0999.

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Abstract Bond coats based on bioinert ceramic materials such as titania and zirconia were developed to increase the adhesion strength of the coating system hydroxyapatite/bond coat to Ti6A14V alloy surfaces used for hip endoprostheses and dental root implants. The bond coats improved the adhesion strength, measured by a modified ASTM D3167-76 peel test, by 50 to 100% and also the resorption resistance as determined by in vitro leaching in simulated body fluid (Hank's Balanced Salt Solution, HBSS) for up to 28 days.

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Eremina, G. M., and A. Yu Smolin. "Numerical modeling of the mechanical behavior of hip resurfacing endoprosthesis and healthy bone." In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES 2019. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5131954.

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Noble, Garrett J., Matthew J. Allen, Noel Fitzpatrick, and Richard T. Hart. "The Effect of Press Fit and Viscoelasticity on the Seating of a Percutaneous Endoprosthesis." In ASME 2013 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/sbc2013-14343.

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Problems with the current, stump-socket method of prosthetic attachment for amputees include general discomfort, rashes, sores, and pain in the residual limb [1]. To alleviate these and other problems with prosthetic attachment, methods of securing a prosthetic to a skeletally-anchored percutaneous endoprosthesis are currently being developed [2]. These skeletally-anchored prosthetics provide a more direct transfer of load between a prosthetic limb and the residual limb, preventing bone resorption. This method allows patients to better sense and control their prosthesis [3, 4] and alleviates problems inherent to a prosthetic that attaches to the skin. Because the endoprosthetic device penetrates the skin, this method could also allow the direct attachment of nervous tissue to the implant which could be an important step in the future development of neuronal prosthesis control. Human clinical trials are currently underway in Sweden and the UK to test these devices in both human and animal patients.

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Bauer, I. V., and S. V. Belavskaya. "Experience of Treatment of Chumeral Joint and Hip-Thigh Bone Joint Arthrosis by using Joint Liquid Endoprosthesis with Subsequent Heat Treatment." In 2006 8th International Conference on Actual Problems of Electronic Instrument Engineering. IEEE, 2006. http://dx.doi.org/10.1109/apeie.2006.4292543.

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