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Polymer Mechanics

, Volume 12, Issue 3, pp 411–429 | Cite as

Head injury criteria

  • James McElhaney
Biomechanics

Abstract

The results of a study of the mechanical responses of the head will be presented. Driving point impedance responses of a variety of subhuman primates and unembalmed cadavers have been measured and used to develop a lumped parameter model of the head. The response of these heads to impacts (front and side) have been used to further evaluate model parameters and to develop injury criteria. The model indicates decreasing tolerance with impulse duration for pulses of approximately 10 times the first resonance period; a quasistatic response is indicated for impulses longer than 10 times the first resonance period. The results are compared with other current head injury criteria. Applications of the model to helmet design and restraint systems are suggested. It is intended that this information form part of a crash test device performance specification that will result in an analogue head with human-like responses to be used in the prediction of the injury-reducing potential of head protection devices.

Keywords

Protection Device Lump Parameter Model Impedance Response Crash Test Injury Criterion 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Literature cited

  1. 1.
    J. H. McElhaney, V. L. Roberts, and J. W. Melvin, "Biomechanics of seat belt design," in: 16th Stapp Car Crash Conference Proceedings (1972).Google Scholar
  2. 2.
    A. K. Ommaya and A. E. Hirsch, "Protection of the brain from injury during impact: Experimental studies in the biomechanics of head injury," AGARD Conference Preprint No. 88 on Linear Acceleration (Impact Type) (1969).Google Scholar

Supplementary Literature cited

  1. 3.
    S. W. Alderson, "The development of anthropomorphic test dummies to match specific human responses to accelrations and impacts," in: 11th Stapp Car Crash and Field Demonstration Conference Proceedings, October 10–11 (1967), pp. 62–67.Google Scholar
  2. 4.
    J. Brinn and S. E. Staffeld, "Evaluation of impact test accelerations: A damage index for the head and torso," in: 14th Stapp Car Crash and Field Demonstration Conference Proceedings, November 17–18, 1970, Paper 700902, New York: Society of Automotive Engineers, Inc. (1970), pp. 188–202.Google Scholar
  3. 5.
    "Occupant crash protection head injury criterion," Department of Transportation National Highway Traffic Safety Administration (49 CFR Part 571) [Docket No. 69-7; Notice 17].Google Scholar
  4. 6.
    C. W. Gadd, "Use of a weighted-impulse criterion for estimating injury hazard," in: 10th Stapp Car Crash and Field Demonstration Conference Proceedings, Paper 660793, New York: Society of Automotive Engineers, Inc. (1966).Google Scholar
  5. 7.
    A. G. Gross, "A new theory on the dynamics of brain concussion and brain injury," J. Neurosurgery,15, 548–561 (1958).Google Scholar
  6. 8.
    E. S. Gurdjian, V. R. Hodgson, L. M. Thomas, and L. M. Patrick, "Significance of relative movements of scalp, skull, and intracranial contents during impact injury of the head," J. Neurosurgery,29, 70–72 (1968).Google Scholar
  7. 9.
    T. Hayashi, "Study of intracranial pressure caused by head impact (2nd Report)," J. Fac. Eng. Univ. Tokyo,30, No. 2 (1969).Google Scholar
  8. 10.
    V. R. Hodgson and L. M. Patrick, "Dynamic response of the human cadaver head compared to a simple mathematical model," in: 12th Stapp Car Crash ànd Field Demonstration Conference Proceedings, 1968, Society of Automotive Engineers, Inc. (1968), pp. 280–301.Google Scholar
  9. 11.
    V. R. Hodgson and L. M. Thomas, "Testing the validity and limitations of the severity index," in: 14th Stapp Car Crash and Field Demonstration Conference Proceedings, November 17–18, 1970, Paper 700901, New York: Society of Automotive Engineers, Inc. (1970), pp. 169–187.Google Scholar
  10. 12.
    A. H. S. Holbourn, "Mechanics of head injuries," Lancet,2, 438–441 (1943).CrossRefGoogle Scholar
  11. 13.
    J. Kulowski, Crash Injuries, The Integrated Medical Aspects of Automobile Injuries and Deaths, C. C. Thomas, Springfield, Illinois (1960).Google Scholar
  12. 14.
    S. O. Lindgren, "Studies in head injuries: Intracranial pressure pattern during impact," Lancet,1, 1251–1253 (1964).Google Scholar
  13. 15.
    J. H. McElhaney, R. L. Stalnaker, V. L. Roberts, and R. G. Snyder, "Door crashworthiness criteria," in: 15th Stapp Car Crash and Field Demonstration Conference Proceedings, Paper 710864, New York: Society of Automotive Engineers, Inc. (1971), p. 39.Google Scholar
  14. 16.
    V. L. Roberts, V. R. Hodgson, and L. M. Thomas, "Fluid pressure in gradients caused by impact to the human skull," in: Proceedings of the Human Factors Conference, ASME, Paper No. 66-Huf-1 (1966).Google Scholar
  15. 17.
    K. Sano, K. Nakamura, K. Hirakawa, H. Hashizume, T. Hayashi, and S. Fujii, "Mechanism and dynamics of closed head injuries," Neurologia Medico-Chirurgica,9, 21–33 (1967).PubMedGoogle Scholar
  16. 18.
    A. Slattenschek and W. Tauffkirchen, "Critical evaluation of assessment methods for head impact applied in appraisal of brain injury hazard, in particular in head impact on windshields," in: International Automobile Safety Conference Compendium, 1970, Paper 700 426, New York: Society of Automotive Engineers, Inc. (1968), pp. 280–301.Google Scholar
  17. 19.
    G. R. Smith, S. S. Hurite, A. J. Yanik, and C. R. Greer, "Human volunteer testing of GM air cushions," in: Second International Conference on Passive Restraints, SAE, Paper 720443 (1972).Google Scholar
  18. 20.
    R. L. Stalnaker, J. L. Fogle, and J. H. McElhaney, "Driving point impedance characteristics of the head," J. Biomech.,4, No. 2, 127–139 (1971).PubMedGoogle Scholar
  19. 21.
    J. P. Stapp, "Voluntary human tolerance levels," in: Impact Injury and Crash Protection, Charles C. Thomas, Springfield, Illinois (1970), p. 308.Google Scholar
  20. 22.
    F. Unterharnscheidt and K. Sellier, "Mechanics and pathomorphology of closed brain injuries," in: Head Injury (edited by W. F. Caveness, M.D. and A. Earl Walker, M.D.), J. B. Lippincott Co., Philadelphia (1966), Chap. 26, p. 589 (see pp. 321–341).Google Scholar
  21. 23.
    J. Versace, "A review of the severity index," Ford Technical Report No. S-71-43, November 12 (1971).Google Scholar
  22. 24.
    K. U. Zulch, "Medical causation," in: The Late Effects of Head Injury, C. C. Thomas, Springfield, Illinois (1969).Google Scholar

Copyright information

© Plenum Publishing Corporation 1977

Authors and Affiliations

  • James McElhaney

There are no affiliations available

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