# K034036: Marathon Flow Directed Micro Catheter, Model 105-5055

- Pathway: 510(k) (Traditional)
- Applicant: Micro Therapeutics, Inc.
- Decided: Feb 13, 2004 after 46 days
- Product code: KRA (Catheter, Continuous Flush)
- Device class: 2
- Regulation: 21 CFR 870.1210
- Recalls of this device: 1 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 3 generations back to K974473 (1998). 5 ancestors in all.
4 later devices descend from it; 1 cites it directly.
0 of 10 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K024118: Ultraflow HPC Flow Directed Micro Catheter, Models 105-5065 and 105-5066, Micro Therapeutics, Inc. (2003) Summary page 1.
- K030688: Echelon Micro Catheter, Model 105-5092-150, Micro Therapeutics, Inc. (2003) Summary page 1.

## Most influential descendants
- K093750: Echelon Micro Catheter, Marathon Micro Catheter, Nautica Micro Catheter Ultraflow HPC Flow Directed Micro Catheter, Reba (2009), 3 descendants of its own
- K210114: Rebar Micro Catheter (2021), 1 descendant of its own
- K243534: Micro Catheter (2025), 0 descendants of its own
- K202318: Marathon Flow Directed Micro Catheter (2020), 0 descendants of its own

## Recalls of this device
- Sep 23, 2011 · Class II · Z-2472-2012: The recall was initiated because ev3 Neurovascular has identified one lot of UltraFlow Flow Directed Micro Catheters and Marathon Flow Directed Micro Catheters may have been mislabeled.

## Indications for use
The Marathon T' Flow Directed Micro Catheter is intended to access 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/K034036
Methodology: https://510kreport.com/methodology