Cleared Special

ClotTriever Thrombectomy System (K180329) - FDA 510(k) Clearance

Class II Cardiovascular device cleared through the Special 510(k) pathway - typically does not require clinical trials.

K180329 · Inari Medical, Inc. · Cardiovascular device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Apr 2018
Decision
62d
Days
Class 2
Risk

K180329 is an FDA 510(k) clearance for the ClotTriever Thrombectomy System. Classified as Peripheral Mechanical Thrombectomy With Aspiration (product code QEW), Class II - Special Controls.

Submitted by Inari Medical, Inc. (Irvine, US). The FDA issued a Cleared decision on April 9, 2018 after a review of 62 days - a notably fast clearance cycle.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.5150 - the FDA cardiovascular device oversight framework. As a Special 510(k), this submission covers a manufacturer modification to an existing cleared device rather than a new device introduction.

Device pattern: Iterative device modification. Low regulatory complexity profile. This Special 510(k) clearance confirms that the manufacturer's modifications remained within the established regulatory envelope of the original cleared device.

View all Inari Medical, Inc. devices

Submission Details

510(k) Number K180329 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 06, 2018
Decision Date April 09, 2018
Days to Decision 62 days
Submission Type Special
Review Panel Cardiovascular (CV)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
63d faster than avg
Panel avg: 125d · This submission: 62d
Pathway characteristics
Modification to existing cleared device.

Device Classification

Product Code QEW Peripheral Mechanical Thrombectomy With Aspiration
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.5150
Definition To Mechanically Disrupt Thrombus And/or Debris Prior To Removal From The Peripheral Vasculature Through Aspiration.
What this classification means

Class II devices require demonstration of substantial equivalence to a legally marketed predicate device. This pathway does not require clinical trials - it relies on engineering equivalence and performance data. Most Cardiovascular devices follow this clearance model.

Regulatory Peers - QEW Peripheral Mechanical Thrombectomy With Aspiration

All 120
Devices cleared under the same product code (QEW) and FDA review panel - the closest regulatory comparables to K180329.
FlowTriever Retrieval/Aspiration System
K180466 · Inari Medical, Inc. · May 2018
Indigo Aspiration System (CAT RX and Separator 4)- Penumbra Engine Pump and Canister
K180412 · Penumbra, Inc. · May 2018
Indigo Aspiration System - Modified 110 Aspiration Tubing
K180939 · Penumbra, Inc. · May 2018
Indigo Aspiration System - Penumbra Engine Pump, Indigo Aspiration System - Penumbra Engine Pump Canister
K180105 · Penumbra, Inc. · Mar 2018
FlowTriever Retrieval/Aspiration System, Aspiration Guide Catheter
K173672 · Inari Medical · Feb 2018
V2K Rinspiration System
K172716 · V2k Medical, Inc. · Jan 2018