BP equipment needed

Douglas Fitts dfitts at carson.u.washington.edu
Wed Jan 27 16:51:47 EST 1993


Can anyone help me locate a source for inexpensive *new* blood
pressure measuring equipment?

I have been having trouble locating simple equipment for measuring
direct arterial blood pressure in rats.  My budget period ends soon,
and I need to spend this fast.  

The commercial products I have found are Mega packages with fancier
computer controls than I need, and these cost far more than my
roughly $7000 can allow (e.g., Harvard Instruments, BrainWave Systems, 
etc.).  Stoelting has a fairly inexpensive apparatus, but it only 
has 2 channels.  I want *new* equipment, because I am already
disgusted with the quirks of old stuff.

I need to measure MAP, systolic, diastolic, and heart rate in freely
moving rodents.  Thus, no indirect systems.  I need to measure 3 or
4 at a time.  I'll use Cobe disposable transducers and cables connected
to signal conditioners in a frame of some kind.  I have an original
IBM 6-MHz AT with EGA that I can dedicate both as a display
device and as data storage.  I don't really need a full-blown computer-
driven interface for the equipment, or even a sophisticated graphical
display of the data.  It would be sufficient to have the data come in 
through an AD board and stored in binary files.  A small library of 
routines (with source code) to manipulate the files would be nice, 
but I can write my own front end as long as the formats of the data 
stream and binary files are known.

-- 
Doug Fitts
Department of Psychology
University of Washington
Seattle, WA
dfitts at u.washington.edu



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