# K061059: Modified Merci Retriever, Model 90092

- Pathway: 510(k) (Special)
- Applicant: Concentric Medical, Inc.
- Decided: May 25, 2006 after 38 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
No predicates in its family tree.
38 later devices descend from it; 1 cites it directly.
2 of 39 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. The FDA summary names its predicate without a number.
- (no number) Merci Retriever X6: named in the summary without a submission number

## Most influential descendants
- K063774: Modification to Merci Retriever, Models X5 and X6 (2007), 37 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 Modified Merci® Retriever is intended to restore blood flow in the neurovasculature by removing thrombus in patients experiencing ischemic stroke. Patients who are ineligible for intravenous tissue plasminogen activator (IV t-PA) or who fail IV t-PA therapy are candidates for treatment. The Modified 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/K061059
Methodology: https://510kreport.com/methodology