# K202318: Marathon Flow Directed Micro Catheter

- Pathway: 510(k) (Special)
- Applicant: Micro Therapeutics, Inc. d/b/a ev3 Neurovascular
- Decided: Sep 14, 2020 after 28 days
- Product code: KRA (Catheter, Continuous Flush)
- Device class: 2
- Regulation: 21 CFR 870.1210
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 6 generations back to K974473 (1998). 15 ancestors in all.
No later device cites it as a predicate yet.
0 of 16 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K093750: Echelon Micro Catheter, Marathon Micro Catheter, Nautica Micro Catheter Ultraflow HPC Flow Directed Micro Catheter, Reba, Ev3, Inc. (2009) Summary page 4.

## Indications for use
The Marathon™ Flow Directed Micro Catheter is intended to access the peripheral and neuro vasculature for the controlled selective infusion of physician-specified therapeutic agents such as embolization materials and of diagnostic materials such as contrast media.

Source page: https://510kreport.com/device/K202318
Methodology: https://510kreport.com/methodology