Cleared Special

K182531 - ClotTriever Thrombectomy System

K182531 is the FDA 510(k) clearance for ClotTriever Thrombectomy System by Inari Medical. It is a Class 2 Cardiovascular device (product code QEW) cleared through the Special 510(k) pathway after a 26-day FDA review.

K182531 · Inari Medical · Cardiovascular device
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Oct 2018
Decision
26d
Days
Class 2
Risk

K182531 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 (Irvine, US). The FDA issued a Cleared decision on October 10, 2018 after a review of 26 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.

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Submission Details

510(k) Number K182531 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 14, 2018
Decision Date October 10, 2018
Days to Decision 26 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
99d faster than avg
Panel avg: 125d · This submission: 26d
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 126
Devices cleared under the same product code (QEW) and FDA review panel - the closest regulatory comparables to K182531.
The ICHOR Panacea Vascular Embolectomy Catheter System
K182167 · Ichor Vascular, Inc. · Dec 2018
FlowTriever Retrieval/Aspiration System
K183198 · Inari Medical · Dec 2018
FlowTriever Retrieval/Aspiration System
K182233 · Inari Medical · Oct 2018
FlowTriever Retrieval/Aspiration System
K181694 · Inari Medical · Jul 2018
FlowTriever Retrieval/Aspiration System
K181325 · Inari Medical, Inc. · Jun 2018
CAPERE Thrombectomy System
K180722 · Kp Medcure, Inc. · Jun 2018