Zamena bakterioloških filtera

Koliko često se menjaju bakteriološki (i endotoksinski) ultrafilteri:

Odgovor:

Kod Freseniusa:

Diasafe-plus filteri se menjaju kada je ispunjen bilo koji od sledećih uslova:

– prošlo je 100 tretmana sa dosadašnjim filterima,

– prošlo je 12 nedelja sa dosadašnjim filterima (istekao im radni vek),

– prošlo je 11 dezinfekcija Sporotalom,

– filter nije prošao T1 test (neispravan je).

Kod Gambra:

U8000S, na mesec dana ili zavisno od nalaza čistoće RO vode i dijalizata,

a U2000S: jednokratno, kao deo Steriseta, pri svakom HDF tretmanu.

The ultrafilters used as water filter and dialysis fluid filter are to be changed routinely after use for one month. The results from the microbiological controls may however result in a different frequency of change. The change frequency is based on the retention capacity of the filters in relation to the expected exposure to bacteria and pyrogens. However, should the level of contamination be significantly different, the change frequency could also be varied. The result of the microbiological testing of the dialysis fluid can be used to guide the frequency of change. Should the bacterial content of the tested fluid exceed the required levels, the source of contamination should be identified and the filters may need to be changed more frequently, until the proper quality can be reliably reproduced.

On the other hand, should the bacterial content of the tested fluid be consistently and significantly below the indicated levels, the time of use of the ultrafilters may be extended. Depending on the conditions, the time of use for one or both ultrafilters can be gradually increased up to two months, but should not be extended beyond this period.

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