# K081305: Merci Retriever

- Pathway: 510(k) (Special)
- Applicant: Concentric Medical, Inc.
- Decided: Jun 5, 2008 after 28 days
- Product code: NRY (Catheter, Thrombus Retriever)
- Device class: 2
- Regulation: 21 CFR 870.1250
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K071172 (2007). 1 ancestor in all.
25 later devices descend from it; 3 cite it directly.
1 of 27 devices in its family (counting itself) has a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K071172: Modified Merci Retriever, Model 90060, Concentric Medical, Inc. (2007) Summary page 1.

## Most influential descendants
- K082034: Modification to Merci Retriever (2008), 24 descendants of its own
- K090085: Merci Retriever, Models 90050, 90060, 90066, 90070, 90110, 90111, 90112, 90113 (2009), 23 descendants of its own
- K113455: Solitaire FR Revascularization Device (2012), 22 descendants of its own
- K123378: Solitaire 2 Revascularization Device (2012), 18 descendants of its own
- K141491: Solitaire 2 Revascularization Device (2014), 17 descendants of its own

## Indications for use
The Mercio Retriever is intended to restore blood flow in the neurovasculature by removing thrombus in patients experiencing ischemic stroke. Patients who are ineligible for treatment with intravenous tissue plasminogen activator (IVt-PA) or who fail IV t-PA therapy are candidates for treatment. The Merci Retriever is also indicated for use in the retrieval of foreign bodies misplaced during interventional radiological procedures in the neuro, peripheral and coronary vasculature.

Source page: https://510kreport.com/device/K081305
Methodology: https://510kreport.com/methodology