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Mechanical evaluation of hip pads to protect against fracture of elderly femurs in falls

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Title: Mechanical evaluation of hip pads to protect against fracture of elderly femurs in falls
Authors: Tadano, Shigeru Browse this author →KAKEN DB
Nakatsuchi, Hiroki Browse this author
Goto, Naoko Browse this author
Fujisaki, Kazuhiro Browse this author
Nakatsuchi, Yukio Browse this author
Keywords: Biomechanics
hip pad
hip fracture
impact test
Issue Date: 2011
Publisher: IOS Press
Journal Title: Bio-Medical Materials and Engineering
Volume: 21
Issue: 4
Start Page: 235
End Page: 246
Publisher DOI: 10.3233/BME-2011-0672
PMID: 22182791
Abstract: Hip fracture in the aged easily occurs by falls and may cause these persons to become bedridden. Hip pads are effective in protecting hip fracture as they directly deflect and absorb the impact forces by falls. It is necessary for the material and the structure of hip pads to be designed to realize both high impact absorption and compliance (comfort during wearing). In this report, an impact testing system was developed to test the impact absorbing performance of hip pad with air cushions designed by the research group. The impact absorbing performance was evaluated by the impact load, collision time, and maximum load. To confirm the effectiveness in protecting against hip fracture, an impact force was applied to the greater trochanter of the human femur and the degree of fracture was measured by X-ray examination. As a result, the hip pad with air cushions had a high impact absorbing performance and was sufficiently effective to protect against hip fracture.
Type: article (author version)
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 但野 茂

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