Variability of human femoral geometry and its implications on nail design

Injury ◽  
2020 ◽  
Author(s):  
Joshua C. Arnone ◽  
Brett D. Crist ◽  
Carol V. Ward ◽  
A. Sherif El-Gizawy ◽  
Troy Pashuck ◽  
...  
Keyword(s):  
Femoral Geometry

Finite Element Analysis of Poor Distal Contact of the Femoral Component of a Cementless Hip Endoprosthesis

1993 ◽  
Vol 207 (4) ◽  
pp. 255-261 ◽  
Author(s):  
M Taylor ◽  
E W Abel
Keyword(s):  
Finite Element ◽  
Stress Distribution ◽  
Influencing Factor ◽  
Three Dimensional ◽  
Stress Distributions ◽  
Element Analysis ◽  
Hip Endoprosthesis ◽  
Applied Loading ◽  
Femoral Geometry ◽  
Contact Models

The difficulty of achieving good distal contact between a cementless hip endoprosthesis and the femur is well established. This finite element study investigates the effect on the stress distribution within the femur due to varying lengths of distal gap. Three-dimensional anatomical models of two different sized femurs were generated, based upon computer tomograph scans of two cadaveric specimens. A further six models were derived from each original model, with distal gaps varying from 10 to 60 mm in length. The resulting stress distributions within these were compared to the uniform contact models. The extent to which femoral geometry was an influencing factor on the stress distribution within the bone was also studied. Lack of distal contact with the prosthesis was found not to affect the proximal stress distribution within the femur, for distal gap lengths of up to 60 mm. In the region of no distal contact, the stress within the femur was at normal physiological levels associated with the applied loading and boundary conditions. The femoral geometry was found to have little influence on the stress distribution within the cortical bone. Although localized variations were noted, both femurs exhibited the same general stress distribution pattern.

Measurement Accuracy of Proximal Femoral Geometry Using Biplanar Radiography

1981 ◽  
Vol 1 (2) ◽  
pp. 171-180 ◽  
Author(s):  
David B. Burr ◽  
Larry T. Cook ◽  
Norman L. Martin ◽  
Marc Asher
Keyword(s):  
Measurement Accuracy ◽  
Femoral Geometry ◽  
Proximal Femoral Geometry

scholarly journals What Is the Possible Impact of High Variability of Distal Femoral Geometry on TKA? A CT Data Analysis of 24,042 Knees

2019 ◽  
Vol 477 (3) ◽  
pp. 561-570 ◽  
Author(s):  
Malin Meier ◽  
Sumesh Zingde ◽  
André Steinert ◽  
William Kurtz ◽  
Franz Koeck ◽  
...  
Keyword(s):  
Data Analysis ◽  
High Variability ◽  
Femoral Geometry ◽  
Ct Data

Sensitivity of Modeling Parameters in Proximal Femur Analyses

2000 ◽  
Author(s):  
Eric L. Wang ◽  
Yanyao Jiang ◽  
Lixia Fan ◽  
Brian Greer
Keyword(s):  
Hip Fracture ◽  
Proximal Femur ◽  
Material Properties ◽  
Applied Load ◽  
Loading Rate ◽  
Frictional Resistance ◽  
Fracture Load ◽  
Loading Direction ◽  
Structural Capacity ◽  
Femoral Geometry

Abstract Hip fracture risk can be quantified using a factor of risk (Hayes et al., 1996): (1) Φ = Applied load / Fracture load The structural capacity, the denominator, can be affected by many parameters including femoral geometry, material properties, load locations, loading direction, loading rate, and frictional resistance.

Assessment of the strength of proximal femur in vitro: Relationship to femoral bone mineral density and femoral geometry

Bone ◽  
1997 ◽  
Vol 20 (3) ◽  
pp. 213-218 ◽  
Author(s):  
X.G. Cheng ◽  
G. Lowet ◽  
S. Boonen ◽  
P.H.F. Nicholson ◽  
P. Brys ◽  
...  
Keyword(s):  
Bone Mineral Density ◽  
Bone Mineral ◽  
Proximal Femur ◽  
Femoral Bone ◽  
Mineral Density ◽  
Femoral Bone Mineral Density ◽  
Femoral Geometry

scholarly journals The role of altered proximal femoral geometry in impaired pelvis stability and hip control during CP gait: A simulation study

2016 ◽  
Vol 44 ◽  
pp. 61-67 ◽  
Author(s):  
Lode Bosmans ◽  
Karen Jansen ◽  
Mariska Wesseling ◽  
Guy Molenaers ◽  
Lennart Scheys ◽  
...  
Keyword(s):  
Simulation Study ◽  
Femoral Geometry ◽  
Proximal Femoral Geometry

A Morphometric Study of Proximal Femoral Geometry in Maharashtrian Population and its Clinical Perspective

2018 ◽  
Vol 7 (3) ◽  
pp. 335-341
Author(s):  
Dwivedi Anil K. ◽  
◽  
Airan Niyati ◽  
Bhatnagar Rajan ◽  
◽  
...  
Keyword(s):  
Morphometric Study ◽  
Clinical Perspective ◽  
Femoral Geometry ◽  
Proximal Femoral Geometry

Agreement Between Proximal Femoral Geometry and Component Design in Total Hip Arthroplasty: Implications for Implant Choice

2016 ◽  
Vol 31 (8) ◽  
pp. 1842-1848 ◽  
Author(s):  
Christoph K. Boese ◽  
Jens Dargel ◽  
Janine Jostmeier ◽  
Peer Eysel ◽  
Michael Frink ◽  
...  
Keyword(s):  
Total Hip Arthroplasty ◽  
Hip Arthroplasty ◽  
Total Hip ◽  
Component Design ◽  
Femoral Geometry ◽  
Proximal Femoral Geometry
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