Cleared Traditional

K240229 - Masimo W1 (FDA 510(k) Clearance)

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

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Aug 2024
Decision
192d
Days
Class 2
Risk

K240229 is an FDA 510(k) clearance for the Masimo W1. Classified as Electrocardiograph (product code DPS), Class II - Special Controls.

Submitted by Masimo Corporation (Irvine, US). The FDA issued a Cleared decision on August 8, 2024 after a review of 192 days - an extended review cycle.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.2340 - 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 Masimo Corporation devices

Submission Details

510(k) Number K240229 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received January 29, 2024
Decision Date August 08, 2024
Days to Decision 192 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
67d slower than avg
Panel avg: 125d · This submission: 192d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code DPS Electrocardiograph
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.2340
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 - DPS Electrocardiograph

All 574
Devices cleared under the same product code (DPS) and FDA review panel - the closest regulatory comparables to K240229.
MAC 7 Resting ECG Analysis System
K251670 · Ge Medical Systems Information Technologies, Inc. · Jan 2026
AccurECG Analysis System (v2.0)
K252361 · Accurkardia, Inc. · Dec 2025
Withings BeamO (SCT02)
K252474 · Withings · Nov 2025
Cardiologs Holter Platform
K250569 · Philips France Commercial · Aug 2025
ZBPro Diagnostic
K243252 · Zbeats, Inc. · Jul 2025
Masimo W1
K243305 · Masimo Corporation · Apr 2025