Warnings and
Precautions
These warnings and precautions are to help you
to understand how to safely operate a Mobile E-
Stand in a Conscious Sedation System. A
WARNING alerts you to a possible hazard to
people. A CAUTION alerts you to the possibility
of equipment damage.
WARNING: New or modified installations -
properly connected gas pipelines (external
supply to E-Stand) are absolutely essential to
patient safety. The ultimate responsibility of
assuring that lines are not crossed rests with
the user. See next page for details.
WARNING: Porter Instrument equipment utilizes
the cross+protection system. The flexible hose
and connectors that connect to the E-Block and
the flowmeter inputs are diameter indexed; 3/8”
O.D. for Nitrous Oxide and ½” O.D. for Oxygen.
The cross+protection system is designed to
prevent misconnection of Oxygen and Nitrous
Oxide hoses. DO NOT ATTEMPT TO CHANGE
THE DIAMETERS OR CONNECTORS OF THE
E-Block! Tampering with the cross+protection
system constitutes acceptance of liability by the
installer.
WARNING: The E-Stand within a Conscious
Sedation System, with Flowmeter, is intended to
be used by medical personnel trained in the
flowmeter device use and the use of nitrous oxide
and oxygen for medical applications.
WARNING: Do not use the Flowmeter device for
the administration of general anesthesia or as a
part of, or in conjunction with, a general
anesthesia administration system.
WARNING:
Inspect and maintain the analgesia delivery
system to prevent N2O leaks in all hoses,
connections and fittings. This includes the
delivery system (E-Stand is mounting accessory)
and the hoses and connections to the E-Block.
Have all leaks repaired immediately.
WARNING: Use Scavenging: Medical workers
are exposed to N
2
O during administration of
N
2
O/O
2
conscious sedation analgesia. Controls
are effective in the patient treatment area to
achieve low levels of ppm (parts per million)
exposure. Controls include System Maintenance,
Ventilation and Work Practices. Your accessory
Scavenger System is an important part of the
system of controls in medical settings.
WARNING: (connections for external gas
supplies): 50 - 55 psi line pressure. Follow safe
connection protocol in this order: Connect
external gas supply hoses to DISS (Diameter
Indexed Safety System) fittings of Flowmeter (O2
first); then connect to external supply source. Do
not disconnect with supply line pressurized
[disconnect at supply source per appropriate safe
protocol].
WARNING: During any power outage, remember
to turn OFF the flowmeter and manually turn OFF
the tank valves (or external supplies). With
centralized, electrically powered gas systems, if
gas was flowing when the power went out and
the flowmeter is left ON, gas will be flowing when
the power is restored.
CAUTION: Always use clean, dry medical grade
gases. Introduction of moisture or other
contaminants into the system and flowmeter
device may result in defective operation.
CAUTION: Do not attempt to repair, alter or
calibrate the system or flowmeter device (except
as directed in Porter User’s Manuals).
Unauthorized repair, alteration or misuse of the
flowmeter device is likely to adversely affect the
performance and will void the warranty.
CAUTION: Never oil or grease any part of this
system (minimize fire or explosion potential).
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