# K112525: D731 Micro 27 PH.I.S.I.O. and D733 Micro 40 PH.I.S.O. Arterial Filters

- Pathway: 510(k) (Special)
- Applicant: Parexel International
- Decided: Sep 29, 2011 after 29 days
- Product code: DTM (Filter, Blood, Cardiopulmonary Bypass, Arterial Line)
- Device class: 2
- Regulation: 21 CFR 870.4260
- 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 K093986 (2010). 1 ancestor in all.
10 later devices descend from it; 2 cite it directly.
0 of 12 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K093986: AF 620 PH.I.S.I.O., AF 640 PH.I.S.I.O. Arterial Filters, Sorin Group Italia S.R.L. (2010) Summary page 1.

## Most influential descendants
- K120185: Inspire 6F Hollow Fiber Oxygenator with Integrated Arterial Filter and Hardshell Venous/Cardiotomy Reservior (2012), 8 descendants of its own
- K180448: INSPIRE 6M Hollow Fiber Oxygenator; INSPIRE 6F M Hollow Fiber Oxygenator with Integrated Arterial Filter; INSPIRE 8M Hollow Fiber Oxygenator; INSPIRE 8F M Hollow Fiber Oxygenator with Integrated Arterial Filter (2018), 5 descendants of its own
- K261438: HORIZON 8AF (Integrated OXY MODULE 8AF and Horizon CVR) (US5305) (2026), 0 descendants of its own
- K250821: Horizon AF Plus System (Integrated A.L. One AF Plus OXYGENATOR and Horizon CVR) (US5300); A.L. One AF Plus OXYGENATOR (US5204); Horizon CVR (US5073) (2025), 0 descendants of its own
- K242092: MICRO Arterial Filters (2024), 0 descendants of its own

## Indications for use
The 0731 MICRO 27 Ph.I.S.l.O. with 27 micron screen with phosphorylcholine coating and the 0733 MICRO 40 Ph.I.S.l.O. with 40 micron screen with phosphorylcholine coating are recommended for use in the arterial line of the extracorporeal circuit during any procedure that requires cardiopulmonary bypass. The filters are used to trap and remove gaseous emboli as well as particulate debris that may be introduced through the arterial line. The device should not be used longer than 6 hours. Contact with blood for longer periods is not advised.

Source page: https://510kreport.com/device/K112525
Methodology: https://510kreport.com/methodology