# K931794: Marinr Series EP Diagnostic Catheters

- Pathway: 510(k) (Traditional)
- Applicant: Medtronic Cardiorhythm
- Decided: Jun 6, 1994 after 420 days
- Product code: DRF (Catheter, Electrode Recording, Or Probe, Electrode Recording)
- Device class: 2
- Regulation: 21 CFR 870.1220
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
130 later devices descend from it; 7 cite it directly.
8 of 131 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K974683: Naviport Deflectable Tip Guiding Catheter (1999), 119 descendants of its own
- K013517: 10600 Deflectable Catheter System, Model 10600 (2002), 80 descendants of its own
- K032312: Attain 6226DEF Deflectable Catheter Delivery System (2003), 37 descendants of its own
- K012749: Biocardia Universal Deflectable Guide Catheter, Model 000664 (2002), 37 descendants of its own
- K033989: Medtronic Selectsite Deflectable Catheter System, Models C304-S59 and C304-L69 (2004), 35 descendants of its own

Source page: https://510kreport.com/device/K931794
Methodology: https://510kreport.com/methodology