Lag screws
Gamma 3 U-Blade lag screws in patients with trochanteric femur fractures: are rotation control lag screws better than others?
... versus screws and the use of one screw versus two screws ...RC lag screws, the latest model among one-screw types, and PFNA II, the latest model among blade types, as well as ITST, which was ...
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Biomechanical efficacy of AP, PA lag screws and posterior plating for fixation of posterior malleolar fractures: a three dimensional finite element study
... Methods: Computed tomography (CT) images were used to reconstruct three dimensional (3D) model of the tibia. Computer aided design (CAD) software was used to design 3D models of PMF. Finally, 3D models of PMF fixed with ...
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Fluoroscopic views for safe insertion of lag screws into the posterior column of the acetabulum
... the lag screw inserted medial to the straight line can ensure that the posterior cortex will not be pro- truded and that the neurovascular bundles, including the inferior gluteal nerve, inferior gluteal arteries ...
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Pastern joint arthrodesis using two paraaxial and one axial crossed lag screws: a case report
... three lag screws in a dorsoproximal-palmarodistal direction or the use of an axially located three-hole dynamic compres- sion plate and two parallel transarticular lag screws (Auer ...
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Influence of hooks and a lag screw on internal fixation plates for lateral malleolar fracture: a biomechanical and ergonomic study
... Methods: As mechanical tests, a compression test was performed in which compression in the bone axis direction produced by supporting the body weight was simulated, and a torsion test was performed in which external ...
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Load distribution between cephalic screws in a dual lag screw trochanteric nail
... different lag screw configu- ...different lag screw configurations on the load distribution in the implant bone construct was ra- ther ...the lag screws within the limits investigated in this ...
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Single locking compression plate fixation of extra-articular distal humeral fractures
... 3.5-mm lag screws, and a ...Two lag screws were used in 14 patients with short oblique fracture ...Three lag screws were used in the remaining eight patients with a long ...
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Comparison of three internal fixation techniques in mandibular sagittal split osteotomy, a finite element analysis
... cortical screws can either be positional or compressive (lag ...bi-cortical screws in mandibular orthognathic surgery including the use of 2 superior border screws, 3 superior border ...
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Proximal Femoral Nail in Reverse Trochanteric Femoral Fractures: An Analysis of 53 Cases at One Year Follow Up
... Treatment of reverse oblique trochanteric femoral fractures poses a lot of challenges. There have been proponents of intramedullary devices as well as extramedullary devices. We present the re- sults of proximal femoral ...
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The effect of moment arm length on high angled femoral neck fractures (Pauwels’ III)
... Hip Screws with (DHS-DS) and without derotational screws (DHS), and Dynamic Helical Hip Screw with (DHHS- DS) and without derotational screws (DHHS) (Synthes USA, West Chester, PA) for Pauwels’ Type ...
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Universal Voice Coil and 70 Volt Door Speaker V-5330120 / V-5330230 Installation Manual
... (depending on the material the wall surface is made of) position the screws through the inside of the gang box and using a screwdriver secure the gang box to the wall. Once the gang box has been properly braced, ...
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Variations in Prices due to Anticipated and Unanticipated Money
... first lag of inflation is negative and that of second lag is found positive which can be explained as, if price level rises in the previous quarter, monetary authority reduce M1 money growth and tries to ...
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Fixation using alternative implants for the treatment of hip fractures (FAITH): design and rationale for a multi centre randomized trial comparing sliding hip screws and cancellous screws on revision surgery rates and quality of life in the treatment of femoral neck fractures
... hip screws, a more biomechanically stable construct, in older patients with osteopenia or osteoporosis ...cancellous screws in stabilizing unstable femoral neck fractures under cyclic loading ...than ...
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Some Significant Trends in The Antimicrobial Treatment of Silk
... silk screws results in a reduction in mechanical strength, which may cause the implantation process to ...the screws during the operation will make it difficult for the surgeon to implant the ...
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Tibiotalocalcaneal arthrodesis with headless compression screws
... the screws were inserted, an appropriate amount of allograft bone was typically used to fill the arthrodesis site so that the bone surfaces were closely ...compression screws (Acumed Acutrak ② 120 mm) were ...
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Development of Surgical Tools and Procedures for Experimental Preclinical Surgery Using Computer Simulations And 3D Printing
... Schanz screws with ...the screws would properly follow the drilled holes orientation without any ...the screws, inserted without guidance, were not properly oriented, and the sleeves were introduced ...
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Pullout strength of pedicle screws with cement augmentation in severe osteoporosis: A comparative study between cannulated screws with cement injection and solid screws with cement pre filling
... solid screws (both conical and cylindrical), the solid screw was inserted into the test block through the prepared pilot hole and then removed to create a hole with identical dimension as the screw contour ...
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A Study on Design and Fabrication of Screw Jack Lifter using Ratchet and Pawl Mechanism
... of screws in the Ancient Roman world but it was the great Leonardo ad Vinci, in the late 1400s, who first demonstrated the use of a screw jack for lifting ...
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Current concepts to reduce mechanical stiffness in locked plating systems: a review article
... FCL screws reduce construct stiffness and maintain construct strength but cannot be used in dynamic compression mode and therefore, require adequate fracture ...
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