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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-6554

Schmid Daners, M; Wullschleger, L; Derler, S; Schmitt, K U (2008). Development of a new design of hip protectors using finite element analysis and mechanical tests. Medical Engineering and Physics, 30(9):1186-1192.

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The rate of hip fractures due to falls increases with age. External hip protectors placed over the greater trochanter can prevent hip fractures, but the willingness to wear such protective devices is rather low. Most of the commercially available hip protectors consist either of an energy-absorbing foam pad or of a hard shell that distributes the load to the surrounding tissue. In the present study, a fibre-reinforced shell composed of three curved strips bonded with a ring, was designed and lined with shock absorbing foam. The development of the new shell design was based on quasi-static and impact tests of manufactured shells in combination with finite element simulations. The results of the numerical analysis showed the potential protection effect of the shell and indicated how the design can be further improved. First impact tests on an anatomical hip model showed promising results of the new protector shell in combination with a foam pad.


5 citations in Web of Science®
8 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Biomedical Engineering
Dewey Decimal Classification:170 Ethics
610 Medicine & health
Deposited On:10 Dec 2008 12:57
Last Modified:05 Apr 2016 12:37
Publisher DOI:10.1016/j.medengphy.2008.02.011
PubMed ID:18424166

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