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lag screw sliding

Is the lag screw sliding effective in the intramedullary nailing in A1 and A2 AO-OTA intertrochanteric fractures? A prospective study of Sliding and None-sliding lag screw in Gamma-III nail

Is the lag screw sliding effective in the intramedullary nailing in A1 and A2 AO-OTA intertrochanteric fractures? A prospective study of Sliding and None-sliding lag screw in Gamma-III nail

... Radiographic observations assessed postoperatively in X- rays were complications, visibility of the fracture line (respectively callus formation) and radiographic bone healing. The bone healing, defined as the presence ...

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Comparison of migration behavior between single and dual lag screw implants for intertrochanteric fracture fixation

Comparison of migration behavior between single and dual lag screw implants for intertrochanteric fracture fixation

... of lag screw migration and cut-out in a clinically relevant worst-case scenario, accounting for osteoporotic bone, an unstable intertro- chanteric fracture (OTA classification ...the lag screw ...

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Gamma 3 U-Blade lag screws in patients with trochanteric femur fractures: are rotation control lag screws better than others?

Gamma 3 U-Blade lag screws in patients with trochanteric femur fractures: are rotation control lag screws better than others?

... The sliding distance and neck shaft angle, which can represent the shortening of and varus change in the fracture site, were calculated as differences between the initial X-ray and final ...Significant ...

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Presence of a Nail in the Medullary Canal; Is It Enough to Prevent Femoral Neck Shortening in Trochanteric Fracture?

Presence of a Nail in the Medullary Canal; Is It Enough to Prevent Femoral Neck Shortening in Trochanteric Fracture?

... Purpose: Presence of a cephalomedullary nail (CMN) in the medullary canal has been thought as advantageous in the control of femoral neck shortening (FNS) and lag screw sliding in trochanteric ...

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Effects of tightening speed on torque coefficient in lag screw timber joints with steel side plates

Effects of tightening speed on torque coefficient in lag screw timber joints with steel side plates

... for lag screw joints in this study is over double that, seeming to signify that lag screws convert clamp force into torque more efficiently than do ...

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Abstract: POWER SCREW is an important machine tool for the following three reasons :It provides high mechanical

Abstract: POWER SCREW is an important machine tool for the following three reasons :It provides high mechanical

... for screw and nut material as 1x2 matrix respectively'); CstrYP= input('enter yeild point for compression in megapascal for screw and nut material as 1x2 matrix respectively'); SHstrYP=input('enter yeild ...

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Evaluation of center of resistance of maxillary anterior segment when retracting with lingual appliance, sliding mechanics and palatal mini-screw implants: A Finite Element study

Evaluation of center of resistance of maxillary anterior segment when retracting with lingual appliance, sliding mechanics and palatal mini-screw implants: A Finite Element study

... The direct application of torque is possible by incorporating it to the base of the bracket as well as using bends in the archwire. Even though we can avoid torque loss to an extent by adding excess torque to the bracket ...

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Development of a Servo-Based Broaching Machine Using Virtual Prototyping Technology

Development of a Servo-Based Broaching Machine Using Virtual Prototyping Technology

... The hardware for the new broaching machine was developed based on the 3D CAD model, and the results are described in Sections 3 and 5. The base frame, frame column, and ram body are illustrated in Fig. 12. We selected a ...

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The tip apex distance in the X Bolt dynamic plating system

The tip apex distance in the X Bolt dynamic plating system

... our analysis has shown a significantly increased mean tip- apex distance when implanting the X-Bolt compared with the SHS. This difference, although statistically significant, does not appear to be clinically important ...

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Outcome of intramedullary nailing treatment for intertrochanteric femoral fractures

Outcome of intramedullary nailing treatment for intertrochanteric femoral fractures

... We could show that these fracture types are reliably treated with intramedullary devices resulting in an 85.5% healing rate after the index procedure. Comparing our reoperation rate we found similar numbers in the ...

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Infant and Young Child Feeding Practices among the Mothers in Urban Slums of Dibrugarh Town: A Cross Sectional Study

Infant and Young Child Feeding Practices among the Mothers in Urban Slums of Dibrugarh Town: A Cross Sectional Study

... 6. Chaim SH, Mukherjee DP, Ogden AL et al. A biomechanical study of femoral neck fracture fixation with a VHS Vari-Angle hip fixation system. Am J Orhtop 2002; [supplement 1]: 22-4. 7. Heyse-Moore G.H. et al. Treatment ...

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A Novel Approach to Designing of Chattering-Free Sliding-Mode Control in Second-Order Discrete-Time Systems

A Novel Approach to Designing of Chattering-Free Sliding-Mode Control in Second-Order Discrete-Time Systems

... The uncertain terms may be taken into account in nonlinear discrete-time systems. Then an SMC could be designed in case of matched perturbations [39]. In some control problems, the control synthesis would be numerically ...

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AO/OTA 31-A2 Fractures: Long or Short Gamma Nail?

AO/OTA 31-A2 Fractures: Long or Short Gamma Nail?

... cephalic screw was studied in both the anteroposterior radiographs and in the axial, without significant differences between the locations in both ...cephalic screw was placed in the two inferior thirds of ...

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Clinical Outcome of Peritrochanteric Fractures Treatment with an Antegrade Trochanteric Static Lag Screw Nail (Inter TAN)

Clinical Outcome of Peritrochanteric Fractures Treatment with an Antegrade Trochanteric Static Lag Screw Nail (Inter TAN)

... complications. Out of 126 nails were used 98 short (18 mm) for unstable intertrochanteric fractures and 28 long (34 mm) for subtrochanteric and oblique reverse fractures. The system is provided with two possibilities of ...

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Influence of hooks and a lag screw on internal fixation plates for lateral malleolar fracture: a biomechanical and ergonomic study

Influence of hooks and a lag screw on internal fixation plates for lateral malleolar fracture: a biomechanical and ergonomic study

... the lag screws. The lag screws prevented shifting of the fracture surfaces, which may in turn have pre- vented displacement of the one-third tubular ...the lag screw near the fracture line, no ...

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Risk factors affecting the outcome of management of trochanteric fractures with sliding hip screw in elderly : A Retrospective and Prospective 
Observational study

Risk factors affecting the outcome of management of trochanteric fractures with sliding hip screw in elderly : A Retrospective and Prospective Observational study

... complications. Sliding Hip Screw Fixation is still the Gold standard in treatment of any type of trochanteric ...head screw, Tip apex distance, lateral wall thickness , displacement have their effect ...

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A cascade of preventable complications following a missed femoral neck fracture after antegrade femoral nailing

A cascade of preventable complications following a missed femoral neck fracture after antegrade femoral nailing

... the lag screw to the apex of the femoral head on an anteroposterior radio- graph and this same distance on a lateral radiograph ...with sliding hip-screw devices including side-plate and ...

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Screw fixation of ACPHT acetabular fractures offers sufficient biomechanical stability when compared to standard buttress plate fixation

Screw fixation of ACPHT acetabular fractures offers sufficient biomechanical stability when compared to standard buttress plate fixation

... Primary outcome was construct survival. It was our hy- pothesis that screw fixation provides comparable stability as plate fixation within the load ranges of partial weight-bearing (maximum 2.0 body weights [20]), ...

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Biopolymer augmentation of the lag screw in the treatment of femoral neck fractures - a biomechanical in-vitro study

Biopolymer augmentation of the lag screw in the treatment of femoral neck fractures - a biomechanical in-vitro study

... hip screw through the head was the most frequent mode of failure of the femoral screw fixation in unsta- ble inter-trochanteric fractures of the femur [5, 16, ...

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Mechanical simulation study of postoperative displacement of trochanteric fractures using the finite element method

Mechanical simulation study of postoperative displacement of trochanteric fractures using the finite element method

... the lag screw and the bottom of the third cortical screw were larger than the above yield ...the lag screw due to consequential ...

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