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To: techdiver@opal.com
Subject: Re: physical tissue models
From: shelps@ac*.ma*.ad*.ed*.au* (Prime Rat)
Date: Thu, 16 Feb 1995 13:58:50 +1030
>Since there is a lot of theoretical modeling that goes on in the tek side
>of the industry, and some of it is even checked against real
>life situations (e.g., Buhlmann et al), has anyone thought
>about trying to build physical structures (tissue) that would approximate
>human tissue?  It would seem like -- in theory -- you could
>build a small box which contained synthetic tissues of varying
>densities that approximated the different tissues found in
>humans, and have sensors that can detect levels of saturation
>in the syntetic tissues.  You take the box with you when you
>dive and you'd have a physical model of saturation.  It would
>really shine on multi-level, bounced, multi-day dives...

Assuming someone were to construct such a thing what sort of symptoms would 
you expect it to exhibit?  Neurological symptoms?  Or would you just look 
for bubbles?  You can do that already by measuring skin resistance (bubbles 
in the skin increase resistance).  Trouble is, there is not a good 
relationship between bubbles and neurological symptoms of DCI.

/rat

___________________________________________________________________________

shelps@ac*.ma*.ad*.ed*.au*|Stephen Helps PhD            Ack!  ___/|
FAX   (08)232-3283             |Anaesthesia & Intensive Care       \O.o|
Voice (08)224-5495             |University of Adelaide            =(___)=
                               |ADELAIDE, 5005, South Australia      U
___________________________________________________________________________

Odd things animals. All dogs look up to you. All cats look down to you.
Only a pig looks to you as an equal.
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