# K041061: D731 Micro 20 and D733 Micro 40 Pediatric Arterial Filters

- Pathway: 510(k) (Special)
- Applicant: Dideco S.P.A.
- Decided: May 6, 2004 after 13 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 K945198 (1995). 1 ancestor in all.
1 later device descends from it; 1 cites it directly.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K945198: Dideco Pediatric Arterial Filters, Sorin Biomedical, Inc. (1995) Summary page 1.

## Most influential descendants
- K242092: MICRO Arterial Filters (2024), 0 descendants of its own

## Indications for use
The Dideco D731 MICRO 20 with 20 micron screen and the Dideco D733 MICRO 40 with 40 micron screen 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 maybe 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/K041061
Methodology: https://510kreport.com/methodology