GREEN B SKETCH MODEL: DAMPED STRETCHER Kent Willis Theresa Dixon - - PowerPoint PPT Presentation

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GREEN B SKETCH MODEL: DAMPED STRETCHER Kent Willis Theresa Dixon - - PowerPoint PPT Presentation

Dec 14, 2022 362 likes •486 views

GREEN B SKETCH MODEL: DAMPED STRETCHER Kent Willis Theresa Dixon Neeharika Bhartiya Raphael Moyer THE PROBLEM Currentstretchersare uncomfortableandthe largeforcestheycause canexacerbatespinal

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SLIDE 1

GREEN B SKETCH MODEL: DAMPED STRETCHER

Kent Willis Theresa Dixon Neeharika Bhartiya Raphael Moyer

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SLIDE 2

THE PROBLEM

Current
stretchers
are uncomfortable
and
the large
forces
they
cause can
exacerbate
spinal and
neck
injuries

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SLIDE 3

THE IDEA: A DAMPED STRETCHER

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SLIDE 4

‘Typical’ Stretcher Demonstration

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SLIDE 5

The Damped Stretcher

A proof of concept that damping could significantly reduce forces

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SLIDE 6

TESTING RESULTS

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Test Subject: There’s a palpable difference between the two—damped, despite the hard backboard, is more comfortable

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SLIDE 7

DAMPING

If
you’re
worried
about
resonance…don’t.
Frequency

  • f
someone
walking:
2
Hz;
natural
frequency
of
  • ur
dampers:
1.2
Hz
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SLIDE 8

BENCHMARKING

The Talon Stretcher: Foldable, Undamped, and $1000 Poleless Stretcher: “You might as well just use a poncho”

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SLIDE 9

Damped,
but
by
no
means
portable

BENCHMARKING

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SLIDE 10

MARKET DATA

40,000
ambulances
in
the
U.S.

4,500
hospital
emergency
rooms

12,000
spinal
cord
injuries
per
year—and
most have
to
be
transported
by
stretcher

10,000
Army
combat
vehicles

Contact:
Gretchen
Schmeider,
EMT (585)
613‐5867

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SLIDE 11

FUTURE PROBLEMS

 Lightweight  Portable  Reduce
impact
with
ground  Damping
in
mul^ple
direc^ons