Cleared Traditional

K231328 - LUX-Dx II (M302)

Also marketed or referenced as:
LUX-Dx II+ (M312)

K231328 is an FDA 510(k) clearance for LUX-Dx II (M302), manufactured by Boston Scientific Corp. The device is a Class 2 Cardiovascular device with product code MXD cleared through the Traditional 510(k) pathway after a 103-day FDA review.

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Aug 2023
Decision
103d
Days
Class 2
Risk

K231328 is an FDA 510(k) clearance for the LUX-Dx II (M302). Classified as Recorder, Event, Implantable Cardiac, (with Arrhythmia Detection) (product code MXD), Class II - Special Controls.

Submitted by Boston Scientific Corp (St Paul, US). The FDA issued a Cleared decision on August 19, 2023 after a review of 103 days - within the typical 510(k) review window.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.1025 - 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 Boston Scientific Corp devices

FDA 510(k) Submission Details - K231328

510(k) Number K231328 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 08, 2023
Decision Date August 19, 2023
Days to Decision 103 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
22d faster than avg
Panel avg: 125d · This submission: 103d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

MXD Device Classification - Class 2, Special Controls

Product Code MXD Recorder, Event, Implantable Cardiac, (with Arrhythmia Detection)
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.1025
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 - MXD Recorder, Event, Implantable Cardiac, (with Arrhythmia Detection)

All 33
Devices cleared under the same product code (MXD) and FDA review panel - the closest regulatory comparables to K231328.
LINQ II™ Insertable Cardiac Monitor (ICM)
K240693 · Medtronic, Inc. · Mar 2024
LINQ II Insertable Cardiac Monitor
K233562 · Medtronic, Inc. · Dec 2023
LINQ II™ Insertable Cardiac Monitor (LNQ22)
K233320 · Medtronic, Inc. · Oct 2023
BIOMONITOR IV
K230375 · Biotronik, Inc. · May 2023
LINQ II Insertable Cardiac Monitor, CareLink SmartSync LINQ II ICM Application
K230553 · Medtronic, Inc. · Apr 2023
Reveal LINQ Insertable Cardiac Monitor, LINQ II Insertable Cardiac Monitor, AccuRhythm AI ECG Classification System
K223630 · Medtronic, Inc. · Apr 2023