Surface structural damage study in cortical bone due to medical drilling
| Autor: | Jorge Sanchez-P., G R Cesar Tavera, Jorge M. Flores-M., Fernando Mendoza-Santoyo, Manuel H. De la Torre-I, Manuel de J. Briones-R., M Ma Del Socorro Hernandez |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Materials science
Swine Materials Science (miscellaneous) medicine.medical_treatment Bone Screws Holography 02 engineering and technology Bone healing 01 natural sciences Industrial and Manufacturing Engineering 010309 optics Weight-Bearing Optics Imaging Three-Dimensional Nondestructive testing Electronic speckle pattern interferometry 0103 physical sciences medicine Cortical Bone Internal fixation Animals Displacement (orthopedic surgery) Femur Business and International Management Fracture Healing business.industry 021001 nanoscience & nanotechnology Holographic interferometry medicine.anatomical_structure Interferometry Fracture (geology) Cortical bone 0210 nano-technology business |
| Zdroj: | Applied optics. 56(13) |
| ISSN: | 1539-4522 |
| Popis: | A bone’s fracture could be produced by an excessive, repetitive, or sudden load. A regular medical practice to heal it is to fix it in two possible ways: external immobilization, using a ferule, or an internal fixation, using a prosthetic device commonly attached to the bone by means of surgical screws. The bone’s volume loss due to this drilling modifies its structure either in the presence or absence of a fracture. To observe the bone’s surface behavior caused by the drilling effects, a digital holographic interferometer is used to analyze the displacement surface’s variations in nonfractured post-mortem porcine femoral bones. Several nondrilled post-mortem bones are compressed and compared to a set of post-mortem bones with a different number of cortical drillings. During each compression test, a series of digital interferometric holograms were recorded using a high-speed CMOS camera. The results are presented as pseudo 3D mesh displacement maps for comparisons in the physiological range of load (30 and 50 lbs) and beyond (100, 200, and 400 lbs). The high resolution of the optical phase gives a better understanding about the bone’s microstructural modifications. Finally, a relationship between compression load and bone volume loss due to the drilling was observed. The results prove that digital holographic interferometry is a viable technique to study the conditions that avoid the surgical screw from loosening in medical procedures of this kind. |
| Databáze: | OpenAIRE |
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