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Aespire 7900
When to change the
absorbent
1-4
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Carbon dioxide absorbent material shall be changed whenever
users cannot assure the degree of hydration of the absorbent.
Such conditions may include finding a machine with fresh gas
that has been flowing for an unknown period of time, or using a
machine that is used infrequently.
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All fresh gas flows shall be terminated when the machine is NOT in
use. (User manuals describe how to achieve null flows).
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Users are advised to consider the use of low-flow techniques
when the machine is in use and whenever clinically appropriate to
maintain hydration of the absorbent material.
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Always perform a breathing system leak test in the Bag Mode after
opening the absorber.
The absorber canister is available in two versions: Disposable Multi Absorber
and Reusable Multi Absorber. Both are removed and installed on the
breathing system in the same way.
Each canister holds 800 g of loose absorbent. Datex-Ohmeda recommends
Medisorb absorbent.
Both absorber versions should only be used with air, oxygen, nitrous oxide,
halothane, enflurane, isoflurane, desflurane and sevoflurane.
A gradual color change of the soda lime in the canister indicates absorption of
carbon dioxide. The color change of the soda lime is only a rough indicator.
Use carbon dioxide monitoring to determine when to change the canister.
Discard the absorbent when it has changed color. If left standing for several
hours, soda lime may regain its original color giving a misleading indication of
activity.
Read the canister instructions completely before using the product.
1009-0633-000
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