
10
INTENDED USE—Flowmeter for
Analgesia Delivery System
This device is intended for patient (adult and
pediatric) use by an attending physician or
dentist properly trained in its use. Porter
Instrument recommends the user be
thoroughly familiar with the use of Nitrous
Oxide - Oxygen Conscious Sedation for
patient analgesia and be properly trained in
its administration prior to using this product.
For training requirements on the
administration of Nitrous Oxide - Oxygen
Conscious Sedation, contact the
appropriate regulatory authority in your
country, state, or province. Training is
recommended to provide a practical, hands-
on capability and an understanding of the
behavioral aspects of Nitrous Oxide
Sedation and will complement the safety
features of this device.
USE SCAVENGING
Monitor for N
2
O in the operatory to insure
that controls are effective in achieving low
levels of ppm (parts per million) exposure.
Contact your Porter dealer for details on
monitors and testing.
MONTHLY LEAK CHECK
Monthly leak check (or if connections to
flowmeter are disconnected and then
reconnected, such as after a flowmeter
service at the factory or if the DISS / DISS
hose is replaced): Leak test the flowmeter
system for working pressure leaks. After all
hose connections are tightened, turn the
%N2O and Total Flow control knobs
clockwise to the off position, and the On /
Standby (Off) switch to the STANDBY
position. Confirm that the DISS Shut-Off
Valves are in the open position. Pressurize
the sedation gas supply lines with 50 PSIG.
Observe any pressure decay after an
overnight time period (5 PSIG drop
allowed
).
Monitor O
2
gas pressures at the beginning
of each procedure to assure sufficient gas
remains in the tank to complete the
procedure.
SWITCHABLE CONNECTORS
The MXR-D has Universal connectors that are
easily switched in the field
from back to bottom
or bottom to back position to suit the installation.
If the connectors are switched, the flowmeter
should be completely function tested after
installation to the user instructions contained in
this manual.
CAUTION:
The position of the connectors may
be switched by an authorized Porter
representative only. Unauthorized repair,
alteration or misuse of this device is likely to
adversely affect the performance and will void
the warranty.