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4. Maintenance
General Maintenance Procedures
1.
Biodex recommends that the moisture absorber and the Soda-
Lime (CO2 absorber) be changed after every study. Once
granules change color, efficiency is already compromised.
Absorber granules can also break down in size; the smaller
granules and powder will potentially clog the system, hinder pa-
tient air flow and damage system circuitry. Biodex offers moisture
absorber and Soda-Lime for refillable cartridges and in pre-filled
disposable cartridges. Visit our Xenon Disposables section
At www.biodex.com/lungventilation.
2.
Administer the xenon as close to the patient as possible. Having
the xenon enter the patient near the face mask or mouth piece
ensures a good bolus for single breath. (see figure 9.) We
recommend using an injection adapter as close to the patient as
possible.
Biodex carries an entire line of disposable xenon kits, some with
injection adapters, with luer lock fittings, or injection ports (see
catalog). These options will allow the use of a xenon gun, xenon
injection dispenser or syringe directly in line with the patient's
breathing passage.
3.
Test the trap effluent on a regular basis. Keep a formal record
according to NRC, state or local regulations. The easiest and most efficient way to test the trap is
by using the xenon Trap Monitor (#136-755). If you do not have a monitor, refer to the Leak and
Trap Test procedure explained later in this manual.
4.
Periodically remove the two breathing tubes from the back of the unit. Take one tube and connect
it to both ports, forming a C configuration. Place the handle in position #2 and press the Oxygen
button until the bags are full and tight up against the glass windows. They
should remain full for approximately two minutes. If they sag or fail to blow up tight, the
system may have a leak. Refer to the Leak and Trap Test procedure as explained later in this
manual.
5.
All rubber products such as the breathing bags deteriorate over time. Periodic inspection and
replacement is required. Storage, usage and environmental factors will affect the useful life of the
bags. We recommend performing a routine visual inspection and system leak test as outlined
above in step 4 to insure the integrity of the breathing bags and system.
NOTE: Biodex recommends that the (two) breathing bags (130-610) be changed every three years.
Breathing bags should be inspected periodically for signs of deterioration such as swelling, tackiness, or
cracking. If any of these conditions are observed based on visual inspection and leak test results,
replace bags immediately.
6
Figure 9.
Figure 10.
PULMONEX II DOUBLE TRAP XENON SYSTEM
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