# K243756: 0.014” Willow Guidewire

- Pathway: 510(k) (Traditional)
- Applicant: Arbor Endovascular, LLC
- Decided: Jul 17, 2025 after 223 days
- Product code: MOF (Guide, Wire, Catheter, Neurovasculature)
- Device class: 2
- Regulation: 21 CFR 870.1330
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 5 generations back to K002212 (2000). 7 ancestors in all.
4 later devices descend from it; 1 cites it directly.
0 of 12 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K202522: Synchro SELECT Guidewire, Stryker Neurovascular (2020) Summary page 5.

## Most influential descendants
- K253168: 0.014” Willow Guidewire (2025), 3 descendants of its own
- K260130: Willow 18 Guidewire (2026), 1 descendant of its own
- K262424: Willow 12 Guidewire (2026), 0 descendants of its own
- K260537: Willow 24 Guidewire (2026), 0 descendants of its own

## Indications for use
The 0.014” Willow Guidewire is intended for general intravascular use, including neurovascular and peripheral vasculatures. It can be used to selectively introduce and position catheters and other interventional devices within the peripheral and neuro vasculature. This device should be used only by physicians trained in percutaneous, intravascular techniques and procedures.

Source page: https://510kreport.com/device/K243756
Methodology: https://510kreport.com/methodology