# K203333: Triever20 Curve Catheter

- Pathway: 510(k) (Special)
- Applicant: Inari Medical, Inc.
- Decided: Dec 10, 2020 after 28 days
- Product code: QEW (Peripheral Mechanical Thrombectomy With Aspiration)
- Device class: 2
- Regulation: 21 CFR 870.5150
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 3 generations back to K183198 (2018). 3 ancestors in all.
No later device cites it as a predicate yet.
0 of 4 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K191710: FlowTriever Retrieval/Aspiration System, Inari Medical (2019) Summary page 4.

## Indications for use
The Triever20 Curve is used coaxially within the Triever24 for: * The non-surgical removal of emboli and thrombi from blood vessels. * Injection, infusion, and/or aspiration of contrast media and other fluids into or from a blood vessel. The Triever20 Curve is intended for use in the peripheral vasculature and for the treatment of pulmonary embolism. The Triever20 Curve Catheter is not indicated for use with FlowTriever Catheters.

Source page: https://510kreport.com/device/K203333
Methodology: https://510kreport.com/methodology