# K062046: Modified Merci Retriever, Model 90050

- Pathway: 510(k) (Traditional)
- Applicant: Concentric Medical, Inc.
- Decided: Jan 19, 2007 after 184 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.
24 later devices descend from it; 2 cite it directly.
1 of 25 devices in its family (counting itself) has 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
- 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
- K153071: Solitaire Platinum Revascularization Device (2015), 10 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 treatment with 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/K062046
Methodology: https://510kreport.com/methodology