# K022003: Titan Micro Catheter, Model 105-5074-153; HD Injector, Model 103-0305

- Pathway: 510(k) (Traditional)
- Applicant: Micro Therapeutics, Inc.
- Decided: Sep 13, 2002 after 86 days
- Product code: DYB (Introducer, Catheter)
- Device class: 2
- Regulation: 21 CFR 870.1340
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 2 generations back to K974473 (1998). 3 ancestors in all.
5 later devices descend from it; 1 cites it directly.
0 of 9 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K993672: Rebar Micro Catheter, Models 105-5080, 105-5086, Micro Therapeutics, Inc. (2000) Summary page 1.
- K011535: Cadence Precision Injector, Model 103-0304, Micro Therapeutics, Inc. (2001)

## Most influential descendants
- K024122: Nautica Micro Catheter, Model 105-5094-153 (2003), 4 descendants of its own
- 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

## Indications for use
The Titan Micro Catheter is intended for the controlled selective infusion of physician-specified therapeutic agents or contrast media into the vasculature of the peripheral and neuro anatomy. The MTI HD Injector is intended for the infusion of physician-specified fluids with the MTI Titan Micro Catheter.

Source page: https://510kreport.com/device/K022003
Methodology: https://510kreport.com/methodology