Single cycle to failure in bending of three standard and five locking plates and plate constructs

Blake, C. A.; Boudrieau, Randy J.; Torrance, B. S.; Tacvorian, Edward; Cabassu, Julien; Gaudette, Glenn R.; Kowaleski, Michael P.

doi:10.3415/vcot-11-04-0061

Cited by 59 publications

(94 citation statements)

References 40 publications

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“…We showed that in a fracture gap model with cadaveric canine bone, the SOP had significantly greater properties in 4‐point bending in static and cyclic testing than the LCP. Our results seem to correlate with the mechanical qualities of the plate itself as previously reported . The SOP plate is anticipated to react in this manner given its greater section modulus compared with the LCP plate but the finding that it is still superior to the LCP when tested on a cadaveric bone construct suggest that in a clinical setting the SOP might be more adequate at resisting bending forces than an LCP system.…”

Section: Discussionsupporting

confidence: 86%

“…The LCP requires specialized locking head screws in order to be used as a locking system but has combination holes that can accommodate both conventional and locking screws. The mechanical properties of the SOP and LCP have already been tested against other commonly used locking and non‐locking plates . The SOP has shown greater bending stiffness, bending structural stiffness and bending strength than comparable plates in vitro …”

mentioning

confidence: 99%

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In Vitro Biomechanical Comparison of 3.5 String of Pearl Plate Fixation to 3.5 Locking Compression Plate Fixation in a Canine Fracture Gap Model

Malenfant

Sod

2014

Veterinary Surgery

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Section: Discussionsupporting

confidence: 86%

mentioning

confidence: 99%

In Vitro Biomechanical Comparison of 3.5 String of Pearl Plate Fixation to 3.5 Locking Compression Plate Fixation in a Canine Fracture Gap Model

Malenfant

Sod

2014

Veterinary Surgery

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“…Other important factors necessary for valid results are model geometry, and appropriate definition of the material properties and boundary conditions. To date, biomechanical studies conducted on animals and cadavers have been taken as reference when evaluating the reliability of different fixation materials and designs for fracture fixation (4,5). Therefore, more widespread use of FEM in biomedical studies would lead to savings in time and resources, thereby promoting the success of orthopedic trauma surgery and expanding horizons.…”

Section: Discussionmentioning

confidence: 99%

“…Today, the main problem in plate-screw fixation is the loosening and/or fracture that are formed due to the load on the plate and screw (4,5).…”

Section: Introductionmentioning

confidence: 99%

Tibia diafiz transvers kırığının plak-vida ile tespitinin sonlu elemanlar yöntemi ile analizi

Bayramoğlu¹,

Tomak²,

Çıraklı³

et al. 2016

Ege Tıp Dergisi

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Aim: Using the Finite Element Method, it was aimed to select the most appropriate implant for a patient with a transverse tibia diaphysis fracture and to determine the effect of sudden temperature changes on the selected implant. Materials and Methods:After separating the diaphyseal area into transverse pieces at 1 cm regular intervals, the anterior and lateral views of the cross-sections enabled the generation of a computer model of tubular bone with 3 cortices. An 8-hole plate with 8 screws was placed over the lateral cortex of the tibia on the model. After creating a transverse fracture in the exact centre of the plate, the whole model with bone-plate-screw was converted into a mathematical model (mesh). The results of the analysis were evaluated using the finite elements method. Results:The tensile values were found to be greatest on the 2 nd holes and screws from the proximal and distal of the fracture line. In the evaluation of temperature changes, the plate-screw tensile values were determined as normal in a cold environment but were seen to be high compared to those of a hot environment. Conclusion:By finding the tensile values on plate-screw-bone with this method preoperatively, the most appropriate plate-screw to be used on the patient can be determined. In addition, as tensile force on the plate-screw increased with transfer from a hot environment to a cold one, it could be said that fractures are more likely to occur in a cold environment. Keywords:Tibia fracture, bone model, biomechanics, analysis, finite element method. Öz Amaç: Sonlu Elemanlar Yöntemi ile hasta için en uygun implantın seçilebilmesi ve seçilen implant üzerinde ani ısı değişikliklerinin etkisinin saptanması amaçlanmıştır. Gereç ve Yöntem:

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“…Today, main problems in plate-screw fixation are the loosening and/or fracture that are formed due to the load on the plate and screw (1,2). Even though early problems related with plate-screw such as metal corrosion and resistance failures have now been corrected, it cannot be stated that more recent designs have solved all problems.…”

Section: Introductionmentioning

confidence: 99%

Yüzey şekli değiştirilmiş plakların in vitro tavuk modeli ile biyomekanik karşılaştırılması

Kuyubaşi¹,

Gülman²,

Say³

et al. 2016

Ege Tıp Dergisi

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Aim: Plate and screw combinations have long been in frequent use in the surgical treatment of bone fractures. Developments in the essentials of surgical fracture treatment in the last few years are mainly due to a better understanding of different responses to varying mechanical conditions and advances in the science of materials used for treatment. This study aimed to assess the stability of plates whose surface texture had been modified without affecting their structural characteristics. Materials and Methods:The plates used in the study were prepared as standard four-hole plates according to three different surface designs; sanded, grooved or smooth. The plates were designed for the particular characteristics of chicken bones; they were applied following transverse osteotomy of the femur. Their stability was biomechanically tested in vitro. The bones subjected to osteotomy and fixated by plates were tested for axial compression loading, three-point bending and torsion.Results: Mean resistance force for grooved surfaced plates was superior to sanded and smooth surfaced plates for all test types. The plates with grooved surface were the most resistant, followed in the order by the sanded and the smooth (control) plates (p<0.05). Conclusion:The study showed that the plates with surface modifications were at least as stable as the control group plates. We found most stable plate as grooved surfaced plate. The possible effects in the living organism are yet unknown. Keywords

show abstract

Single cycle to failure in bending of three standard and five locking plates and plate constructs

Abstract: Due to differing plate construct properties inherent to these diverse implant systems, identical approaches to fracture management and plate application cannot be applied.

Cited by 59 publications

References 40 publications

In Vitro Biomechanical Comparison of 3.5 String of Pearl Plate Fixation to 3.5 Locking Compression Plate Fixation in a Canine Fracture Gap Model

In Vitro Biomechanical Comparison of 3.5 String of Pearl Plate Fixation to 3.5 Locking Compression Plate Fixation in a Canine Fracture Gap Model

Tibia diafiz transvers kırığının plak-vida ile tespitinin sonlu elemanlar yöntemi ile analizi

Yüzey şekli değiştirilmiş plakların in vitro tavuk modeli ile biyomekanik karşılaştırılması

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