Child Passenger Safety and Occupant Protection Conference Call 8-20-09.
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Transcript of Child Passenger Safety and Occupant Protection Conference Call 8-20-09.
![Page 1: Child Passenger Safety and Occupant Protection Conference Call 8-20-09.](https://reader035.fdocuments.in/reader035/viewer/2022062515/56649d0e5503460f949e3c3a/html5/thumbnails/1.jpg)
Child Passenger Safety and Occupant Protection
Conference Call8-20-09
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Extending 5-point Harnessing:
Forward Facing Seat Options for Heavier
Children
Caroline Langrall, CCLS, CPSTMt. Washington Pediatric Hospital
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Outline
★Challenges
★Crash Dynamics
★Seat Options
★Special Needs
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Challenges
•Lack of research
•Historically, majority of affordable seats offered FFing harnessing to 40lbs.
•Rise in Obesity
•3+y/o male,90th percentile for weight= 40lbs. (CDC, 2000)
•Maturity for booster use.
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Challenges•Child must be
mature enough to sit in a booster
•40lb, 4 year old
•Dislodged belt from belt guide.
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Challenges
•4 year old. 42 lbs
•Low back booster
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Challenges
•3 years, 9 months. 48lbs
•Not overweight
•(No booster)
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Crash Dynamics•A five-point harness system makes contact
with the strongest parts of the body – the hips and shoulders, and transfer crash forces over those strong parts of the body...and into 5 points on the seat. (Britax USA)
•The Iliac Crest (hip bones) isn’t fully developed until age 6-10. This crest keeps the lap belt in position.
• Poor belt fit increases the risk of abdominal injuries.
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Crash Dynamics
Booster vs. 5-point harness
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Crash Dynamics
•A forward facing, top- tethered seat reduces head excursion:
Weber, Kathleen; Crash Protection For Child Passengers: A Review of Best Practice. UMTRI Research Review, July-September 2000
Tethered
Not Tethered
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Seat Options
•Many new seats offer rear-facing 35-40lbs and forward facing harness limits of 50+lbs
•Tall children: look for high top harness slots.
•Conventional seats for Special Needs
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Graco MyRide 65
•RF to 40lbs, FF to 65lbs
•head pillow to 40lbs
•infant insert: 1st harness slot
•top harness height=16”
•natural recline FFing
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Safety 1st Complete Air
•“Air Protect” Technology
•RF: 40lbs, FF: 50lbs
•10.5” lowest slot
•17” top slot
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Radian XT•RF: 40lbs
(retroactive on 65/80/XT, Sept 1, 2008+)
•FF: 80lbs (top harness slots: 17”)
•EPS foam headwings (can’t use on 1st and 2nd harness slots)
•Can tether RF
•Removable Harness
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Britax Roundabout 50
•RF: 35lbs, FF: 50lbs
•Same harness dimensions as Marathon (16.5”)
•No belt lock-offs, no HUGS.
•Can tether RF
•Can recline FFing to 33lbs
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True Fit Premier•RF:35lbs, FF: 65lbs
•Rebound Energy Management System
•Must use “upper seatback” headpiece after 22lbs. (not shown in picture below)
•Has built-in belt lockoffs
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Britax Frontier
•Minimums: 2 years, 25 lbs.
•Max harness: 80lbs.
•18.25” top harness slot.
•Booster can be used beyond 100lbs
•assuming: appropriate belt fit, ears below top of seat, and expiration (9 yrs booster).
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Graco Nautilus
•20-65lbs 5-point harness
•30-100 HBB
•40-100 LBB
•100% of the base must be on vehicle seat
•Debate about buckle being under child.
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Additional Seats
Apex 6520-65lbs harnessbooster to 100lbs*vehicle headrest
Evenflo Triumph Advance
5-50lbs
Britax Regent20-80lbs
Discontinued?
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Special Needs
•A child may need 5-point harness beyond conventional seat offerings:
•behavioral issues
•muscle tone
•medical condition
•search safekids.org for a local CPST trained in special needs.
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Other Seats
•Available for download on saferidenews.com
•Missing some new seats
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Caregiver Education
•Top tethering
•Reminder about vehicle LATCH limits
•Child may reach height limits before weight.
•Harness at or ABOVE shoulders for Forward Facing.
•Child’s torso proportion is key.
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Thank you for your time!
Questions?