<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Assessment of dimensional and geometrical data on the humeral head replacement (HHR) objects is essential for solving the relevant designing problems in the physics of reverse engineering (RE). In this work, 2D-assessment for human humerus was performed using the computed tomography (CT) technique within the RE plan, after which the 2D images of humeral objects were converted into 3D images. The conversion was successful and indicated a clear difference in the 2D and 3D estimates of sizes and geometry of the humerus. The authors have analyzed and confirmed experimentally the statistical information on the relevant anatomical objects. The results of finite-element simulation of the compressive stresses affecting the geometry of 3D surface mapping were analyzed using SolidWorks software. For developing the biomechanical design of an HHR object suitable biomaterials were selected, and different metal-based biomaterials are discussed as applied at various loads. New methodology is presented for the size estimation of humeral head - both anatomical and artificial - in 3D-shape. A detailed interpretation is given for the results of CT D-measurements.</p></abstract>

Assessment of dimensional and geometrical data on the humeral head replacement (HHR) objects is essential for solving the relevant designing problems in the physics of reverse engineering (RE). In this work, 2D-assessment for human humerus was performed using the computed tomography (CT) technique within the RE plan, after which the 2D images of humeral objects were converted into 3D images. The conversion was successful and indicated a clear difference in the 2D and 3D estimates of sizes and geometry of the humerus. The authors have analyzed and confirmed experimentally the statistical information on the relevant anatomical objects. The results of finite-element simulation of the compressive stresses affecting the geometry of 3D surface mapping were analyzed using SolidWorks software. For developing the biomechanical design of an HHR object suitable biomaterials were selected, and different metal-based biomaterials are discussed as applied at various loads. New methodology is presented for the size estimation of humeral head - both anatomical and artificial - in 3D-shape. A detailed interpretation is given for the results of CT D-measurements.

Developed Design for Humeral Head Replacement Using 3D Surface Mapping

Ali National Institute for Standards, Eng. and Surface Metrology, Precision Engineering Division, Giza 12211-136, EGYPT

Latvian Journal of Physics and Technical Sciences

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Developed Design for Humeral Head Replacement Using 3D Surface Mapping"}

Assessment of dimensional and geometrical data on the humeral head replacement (HHR) objects is essential for solving the relevant designing problems in the...

Developed Design for Humeral Head Replacement Using 3D Surface Mapping

Published Online: Jan 27, 2015

Page range: 41 - 55

DOI: https://doi.org/10.1515/lpts-2014-0035

Keywords
humeral head, dimensional assessment, image metrology, HHR design, 3D surface mapping

© by H. R. Salah

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Developed Design for Humeral Head Replacement Using 3D Surface Mapping

Published Online: Jan 27, 2015

Page range: 41 - 55

DOI: https://doi.org/10.1515/lpts-2014-0035

Keywordshumeral head, dimensional assessment, image metrology, HHR design, 3D surface mapping

© by H. R. Salah

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
humeral head, dimensional assessment, image metrology, HHR design, 3D surface mapping