Extending 5-point Harnessing: Forward Facing Seat Options for Heavier Children - PowerPoint PPT Presentation

1 / 24
About This Presentation
Title:

Extending 5-point Harnessing: Forward Facing Seat Options for Heavier Children

Description:

A five-point harness system makes contact with the strongest parts of the body ... Graco Nautilus. 20-65lbs 5-point harness. 30-100 HBB. 40-100 LBB ... – PowerPoint PPT presentation

Number of Views:44
Avg rating:3.0/5.0
Slides: 25
Provided by: mie3
Learn more at: http://www.miemss.org
Category:

less

Transcript and Presenter's Notes

Title: Extending 5-point Harnessing: Forward Facing Seat Options for Heavier Children


1
Child Passenger Safety and Occupant Protection
Conference Call 8-20-09
2
Extending 5-point HarnessingForward Facing Seat
Options for Heavier Children
  • Caroline Langrall, CCLS, CPST
  • Mt. Washington Pediatric Hospital

3
Outline
  • Challenges
  • Crash Dynamics
  • Seat Options
  • Special Needs

4
Challenges
  • Lack of research
  • Historically, majority of affordable seats
    offered FFing harnessing to 40lbs.
  • Rise in Obesity
  • 3y/o male,90th percentile for weight 40lbs.
    (CDC, 2000)
  • Maturity for booster use.

5
Challenges
  • Child must be mature enough to sit in a booster
  • 40lb, 4 year old
  • Dislodged belt from belt guide.

6
Challenges
  • 4 year old. 42 lbs
  • Low back booster

7
Challenges
  • 3 years, 9 months. 48lbs
  • Not overweight
  • (No booster)

8
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) isnt fully developed
    until age 6-10. This crest keeps the lap belt in
    position.
  • Poor belt fit increases the risk of abdominal
    injuries.

9
Crash Dynamics
Booster vs. 5-point harness
10
Crash Dynamics
  • A forward facing, top- tethered seat reduces head
    excursion

Not Tethered
Tethered
Weber, Kathleen Crash Protection For Child
Passengers A Review of Best Practice. UMTRI
Research Review, July-September 2000
11
Seat Options
  • Many new seats offer rear-facing 35-40lbs and
    forward facing harness limits of 50lbs
  • Tall children look for high top harness slots.
  • Conventional seats for Special Needs

12
Graco MyRide 65
  • RF to 40lbs, FF to 65lbs
  • head pillow to 40lbs
  • infant insert 1st harness slot
  • top harness height16
  • natural recline FFing

13
Safety 1st Complete Air
  • Air Protect Technology
  • RF 40lbs, FF 50lbs
  • 10.5 lowest slot
  • 17 top slot

14
Radian XT
  • RF 40lbs (retroactive on 65/80/XT, Sept 1,
    2008)
  • FF 80lbs (top harness slots 17)
  • EPS foam headwings (cant use on 1st and 2nd
    harness slots)
  • Can tether RF
  • Removable Harness

15
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

16
True Fit Premier
  • RF35lbs, FF 65lbs
  • Rebound Energy Management System
  • Must use upper seatback headpiece after 22lbs.
    (not shown in picture below)
  • Has built-in belt lockoffs

17
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).

18
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.

19
Additional Seats
Apex 65 20-65lbs harness booster to
100lbs vehicle headrest
Evenflo Triumph Advance 5-50lbs
Britax Regent 20-80lbs Discontinued?
20
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.

21
Other Seats
  • Available for download on saferidenews.com
  • Missing some new seats

22
Caregiver Education
  • Top tethering
  • Reminder about vehicle LATCH limits
  • Child may reach height limits before weight.
  • Harness at or ABOVE shoulders for Forward Facing.
  • Childs torso proportion is key.

23
Thank you for your time!
Questions?
24
phomiak_at_miemss.org
Write a Comment
User Comments (0)
About PowerShow.com