Welch Allyn Duet CO2 Module - User Manual - Manual (Page 89)

Duet CO
2
Module OEM Implementation Manual
Welch Allyn OEM Technologies Confidential Page 89
ETCO
2
waveform- A graphical display of end tidal CO
2
.
Exhaust Occlusion - Obstruction of the exhaust port or tubing down stream of the pump.
fault state- A state in which the module detects an internal operating error.
forward flow- A condition that causes a positive pressure on the module’s input pneumatics or
CO
2
inlet port before the module’s pump is activated.
flash- A type of EEPROM that can be reprogrammed in-circuit.
gas canister- Typically a pressurized cylinder containing a known concentration of a specific
gas.
HCV- High Clearing Vacuum
host system- The main or controlling system in a device that the module is slave to.
IEC 601-1 - Medical electrical equipment part 1: General Requirements for Safety
IEC 801-1 - The electromagnetic compatibility for Industrial Process and Measurement and
Control Equipment.
IEC 1000 - Electromagnetic Compatibility Testing and Measurement Techniques
inlet occlusion- Obstruction of the inlet port or pneumatics upstream of the sample chamber.
InsCO
2
- The level of CO
2
present during the inspiratory cycle of a breath.
internal pneumatics- The tubing and fittings delivered with, or part of, the module itself.
intubation- The insertion of a tube into the trachea.
infrared - The portion of the electromagnetic spectrum of radiation extending from about 730
nanometers to about one millimeter in wavelength.
IR detector- A device used to detect the presence of infrared radiation.
IR source- A device used to radiate frequencies in the IR region of the electromagnetic
spectrum.
ISO - The International Organization for Standardization
ISO 9918 - The specific ISO standard for Capnometers for use with Humans
LCV - Low Clearing Vacuum
long watertrap receiver- A Welch Allyn OEM accessory that mechanically interfaces the
watertrap with the host system.
Luer connector- A specific brand or type of connector using a standard conical or tapered
fitting.
mainstream sampling- CO
2
analysis whereby the sample chamber is in line with the patient
airway and the ventilator circuit
measurement mode- One of three module operating modes. Measurement mode requires
some Host intervention for the module to operate under certain conditions. During watertrap
removals, the sensor’s activity is halted and the module reverts to the standby mode.