Cleared Traditional

RX-1 Rhythm Express Remote Cardiac Monitoring System (K183704) - FDA 510(k) Clearance

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

K183704 · Vivaquant, Inc. · Cardiovascular device
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Feb 2019
Decision
47d
Days
Class 2
Risk

K183704 is an FDA 510(k) clearance for the RX-1 Rhythm Express Remote Cardiac Monitoring System. Classified as Transmitters And Receivers, Electrocardiograph, Telephone (product code DXH), Class II - Special Controls.

Submitted by Vivaquant, Inc. (St. Paul, US). The FDA issued a Cleared decision on February 16, 2019 after a review of 47 days - a notably fast clearance cycle.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.2920 - 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: Fast-track predicate clearance. Standard predicate reliance. The short review cycle indicates strong predicate alignment - the FDA found sufficient equivalence without extended technical review.

View all Vivaquant, Inc. devices

Submission Details

510(k) Number K183704 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received December 31, 2018
Decision Date February 16, 2019
Days to Decision 47 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary Summary PDF
Third-party Review Yes - reviewed by an FDA-accredited third party
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
78d faster than avg
Panel avg: 125d · This submission: 47d
Pathway characteristics
Predicate-based equivalence. No clinical trials required. Third-party reviewed.

Device Classification

Product Code DXH Transmitters And Receivers, Electrocardiograph, Telephone
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.2920
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 Consultant

Regulatory Technology Services, LLC
Mark Job

The regulatory consultant manages the 510(k) submission process on behalf of the applicant - coordinating technical documentation, predicate strategy and FDA communications. Identifying the consultant behind a submission is a key signal for competitive regulatory intelligence.

Regulatory Peers - DXH Transmitters And Receivers, Electrocardiograph, Telephone

All 53
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