[AG-TECH] Latest Tech Thoughts: document for discussion NOW
Jonathan Silverstein
jcs at uchicago.edu
Tue Mar 2 09:03:07 CST 2004
LATEST THINKING ON O.R. SCENARIOS FROM TECHNICAL REQUIREMENTS VIEWPOINT
The operating room hardware is constructed from the following elements,
with specific items selected to meet the needs of each of the
demonstration scenarios (note that wireless is advantageous for
decreasing the complexity of the environment but not required):
Existing video generating devices in O.R. (RCA video out and
other options): laparoscope, overhead camera, room view
Existing video generating devices in O.R.: DaVinci surgical
system (several output options including two video streams – left-eye,
right-eye) – surgical assistant today looks at only one mono-view on
monitor over table while operating surgeon is at separate console with
stereo viewing device and controls.
Existing audio generating devices in O.R.: lapel microphone
for surgeon
Existing video display monitor (one) in O.R. (I think
they’re RCA into a VCR)
Head-mounted or hand-held displays for two users with
head-tracking (each has to have their own view-point, but looking at
the “same” content) for volume visualization
Control system for head-mounted or hand-held displays
(remote and/or local)
Ambient audio play back (speakers) in the room
Lapel microphone for assistant patched in
Large format video display
Control system for large format video display
Compact AG node incorporating as many elements above as
possible
Notes: The communication points with the O.R. and the radiology
workstation will consist of Fixed Standard AG nodes, Stereo enhanced AG
nodes, compute/visualization servers, and hand-held nodes selected
depending on scenarios. These are each under separate development
within the ABC Testbed project and/or under base AG Team funding so
will not be addressed here at this time (the whole AG Project is
essentially “assumed”!). Only specific addition in regard to above is
this: for the “handheld” wireless solution to be used in Hospitals,
Hospitals are likely to have the following infrastructure in place in
time for us: Tablet PC device or similar wireless laptop running XP
with Hospitals’ information system running on it native OR through
citrix – this is significant in that if we create a dual boot device or
use Windows or use small Mac running Citrix to create a portable node,
we CAN issue the residents a single prototype machine on which they
will be able to do all their usual work plus the ABC Testbed scenario!
LATEST THINKING ON ER SCENARIOS FROM TECHNICAL REQUIREMENTS VIEWPOINT
The field hardware is constructed from the following elements, with
specific items selected to meet the needs of each of the demonstration
scenarios:
compact, portable, battery-powered wireless high-resolution video
camera.
fixed location, wire-connected remote controlled high-resolution video
camera (perhaps two – one mounted IN ambulance for view of transport,
one mounted ON ambulance for view of scene – perhaps one with “Velcro”)
prototype General Devices “Rosetta” signal processing device with
multiple data inputs capable of interfacing with various camera types
and multiple output interfaces capable of mating with various radios,
cellphones, and satellite phones. (Depending on engineering, this may
be an AG node as well – or just an extension of the fixed AG node at
hospital)
conventional cellphone.
next generation (high data-rate) cellphone.
conventional EMS field radio.
next generation (high data-rate) data-capable radio.
satellite phone.
The hospital hardware is constructed from the following elements, with
specific items selected to meet the needs of each of the specific
demonstration scenarios:
CAREpoint EMS Workstation to: present video images; manage (decode,
archive, re-transmit, etc.) those images; interface with various
communications means; serve as an AG node.
conventional telephone line for cellphone and satellite phone
communications.
conventional EMS field radio receiver.
next generation (high data-rate) radio receiver.
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