Cleared Traditional

ATLAAS (Atraumatic Left Atrial Appendage System) (AD) (K252917) - FDA 510(k) Clearance

Class II Cardiovascular device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

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May 2026
Decision
252d
Days
Class 2
Risk

K252917 is an FDA 510(k) clearance for the ATLAAS (Atraumatic Left Atrial Appendage System) (AD). Classified as Left Atrial Appendage Clip, Implantable (product code PZX), Class II - Special Controls.

Submitted by Genesee Biomedical, Inc. (Denver, US). The FDA issued a Cleared decision on May 22, 2026 after a review of 252 days - an extended review cycle.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 878.4300 - the FDA cardiovascular device oversight framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.

Device pattern: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Cardiovascular review framework, consistent with the majority of Class II 510(k) submissions.

View all Genesee Biomedical, Inc. devices

Submission Details

510(k) Number K252917 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 12, 2025
Decision Date May 22, 2026
Days to Decision 252 days
Submission Type Traditional
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
127d slower than avg
Panel avg: 125d · This submission: 252d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code PZX Left Atrial Appendage Clip, Implantable
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 878.4300
Definition Intended To Occlude The Left Atrial Appendage.
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 - PZX Left Atrial Appendage Clip, Implantable

All 8
Devices cleared under the same product code (PZX) and FDA review panel - the closest regulatory comparables to K252917.
AtriClip PRO-Mini LAA Exclusion System (PROM)
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AtriClip FLEX-Mini LAA Exclusion System (ACHM)
K234125 · AtriCure, Inc. · Jul 2024
AtriClip LAA Exclusion System with preloaded Gillinov-Cosgrove Clip (LAA0)
K233407 · AtriCure, Inc. · Nov 2023
LAA Exclusion System
K232295 · Syntheon, LLC · Aug 2023
Syntheon LAA Exclusion System, Syntheon LAA Selection Guide
K220305 · Syntheon · Oct 2022
AtriClip LAA Exclusion System
K210293 · AtriCure, Inc. · Mar 2021