Blast Headform Development: Literature Review

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Authors
  1. Fournier, E.
  2. Sullivan, D.
  3. Bayne, T.
  4. Shewchenko, N.
Corporate Authors
Biokinetics and Associates Ltd, Ottawa ONT (CAN);Defence R&D Canada - Valcartier, Valcartier QUE (CAN)
Abstract
Changes to the threat types, their exposure rates and improvements to protective equipment have changed the injury patterns that are seen in the battlefield, with brain injuries becoming more prevalent. Although a considerable number of publications exist that address the effects of blast injury to the lungs, the mechanism(s) by which brain injuries are caused by exposure to blast is largely unknown. It is still not fully understood how a blast shock wave might damage head/brain structures such as cerebral tissues or blood vessels. A better understanding of the effects of blast overpressure on the head is required such that a surrogate headform can be produced for the design and evaluation of head protective systems for blast loads. A literature review was conducted to further the general understanding of blast effects on cerebral tissues and provide insight into possible headform assessment methods that can be used to correlate surrogate headform responses to real brain injuries. Based on the findings of the literature review, it is anticipated that a surrogate blast headform and its associated injury criteria will be based on detailed measurements of wave propagation through soft tissue surrogates and other structures that are represented within the surrogate headform.

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Report Number
DRDC-VALCARTIER-CR-2007-234 — Contractor Report
Date of publication
01 Sep 2007
Number of Pages
35
DSTKIM No
CA030425
CANDIS No
528976
Format(s):
CD ROM

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