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Abdominal injuries in belt-positioning booster seats

Kristy B Arbogast1, Jessica S Jermakian, Yoganand Ghati

  • 1Center for Injury Research and Prevention, Children's Hospital of Philadelphia.

Annals of Advances in Automotive Medicine. Association for the Advancement of Automotive Medicine. Annual Scientific Conference
|February 27, 2010
PubMed

Insights

Booster seats can cause abdominal injuries in children, but advanced restraint technologies like shoulder belt load limiters and lap belt pretensioners show promise for reducing these risks.

Area of Science:

  • Biomechanical Engineering
  • Pediatric Safety
  • Crashworthiness Research

Background:

  • Booster seats are intended to reduce pediatric injuries by improving seat belt fit.
  • Recent case reports raise concerns about abdominal injuries in children using booster seats.

Purpose of the Study:

  • To investigate injury causation scenarios for abdominal injuries in children using booster seats.
  • To utilize parametric modeling to understand injury mechanisms and evaluate potential safety improvements.

Main Methods:

  • Data from Partners for Child Passenger Safety and CIREN databases were analyzed.
  • Injury causation was assessed using the CIREN Biotab method.
  • MADYMO software was used for parametric modeling of crash scenarios.

Main Results:

  • Three cases of abdominal injuries in booster-seated children were identified.
  • Two cases involved co-occurring thoracic injuries, implicating shoulder belt loading.
  • Modeling indicated specific ranges for chest/abdominal compression and velocity.

Conclusions:

  • Shoulder belt loading appears to be a factor in certain booster seat-related abdominal injuries.
  • Simulations suggest that load-limiting and pretensioning technologies can improve occupant protection.
  • These advanced restraint technologies may enhance safety for pediatric rear-seat occupants.

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