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14 Functional verification Welch Allyn VSM 300 Series
NIBP
Characterization test
1. Attach a neonate hose (part 008-0265-01) to the NIBP fitting on the monitor.
2. Prepare the 60-mL syringe as follows, with reference to the illustration below:
a. Move the syringe plunger to the 35 mL line.
b. Drill a small hole (for example, 9/64 inch) through the syringe and the plunger
shaft, at a location between the plunger and the top of the syringe.
c. Insert a rod or bolt (for example, a 6-32 screw) through the hole so that the
plunger cannot move, creating a constant volume in the syringe of 35 mL ± 2 mL.
Secure the rod or bolt so that it cannot fall out of the hole.
3. Insert the tip of the syringe into the open end of the neonate hose. Verify that the fit
is tight and secure.
4. Set the monitor patient type to Adult, as follows:
a. Press once.
b. If the monitor is not already in Adult mode, press once or twice until Adult
appears in the message display.
c. Press .
5. Press .
6. Verify that the error code C03 appears in the message display within a few seconds.
Note
The tests described in this section are to be performed only as part of a complete
functional verification procedure.
WARNING If the error code C03 does not appear, characterize NIBP according
to the instructions presented on page 36, and then repeat the NIBP
characterization test.
WARNING Do not use the monitor if it does not pass the NIBP characterization
test. If the NIBP module is not properly characterized, the monitor could
overinflate a neonatal cuff, which could create a hazard for neonatal patients.
WARNING If you cannot characterize the NIBP module, remove the monitor
from service immediately and return it to Welch Allyn for service. (See “Returning
products” on page 6.)
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