# K961914: Bacteria/Viral Filter

- Pathway: 510(k) (Traditional)
- Applicant: Hudson Respiratory Care, Inc.
- Decided: Aug 14, 1996 after 89 days
- Product code: CAH (Filter, Bacterial, Breathing-Circuit)
- Device class: 2
- Regulation: 21 CFR 868.5260
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K792097 (1979). 1 ancestor in all.
9 later devices descend from it; 4 cite it directly.
0 of 11 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K792097: Dryden Bacteria Filter, Dryden Corp. (1979) Summary page 1.

## Most influential descendants
- K052087: Breathing Filter Bacterial/Viral, Model AG7178 (2005), 3 descendants of its own
- K061426: Oxygen Concentrator Filters, Models DBF32, DBF24, DBF27, DBF25, DFC06 and DDF47 (2006), 2 descendants of its own
- K043148: All Flow Pulmonary Function Filter (2004), 2 descendants of its own
- K091363: Compressor Filter, Models AG1038831, HCF100,BF900,BF910,BF950, LL201, LL202, LL205, Bacteria Filter (2010), 1 descendant of its own
- K131626: Exceleron Bacterial Filters (2014), 0 descendants of its own

## Indications for use
For use on all patient populations, in conjunction with other respiratory devices containing standard 15 mm and/or 22 mm fittings (such as breathing circuits and the like) to filter respiratory gases where infection from airborne bacteria and viruses is a concern.

Source page: https://510kreport.com/device/K961914
Methodology: https://510kreport.com/methodology