Cleared Traditional

K250979 - Thermogard HQ™ Temperature Management System, Thermogard XP® Temperature Management System (VitalTemp™ Universal Pad) (FDA 510(k) Clearance)

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

K250979 · Zoll Circulation, Inc. · Cardiovascular device
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Oct 2025
Decision
198d
Days
Class 2
Risk

K250979 is an FDA 510(k) clearance for the Thermogard HQ™ Temperature Management System, Thermogard XP® Temperature Mana.... Classified as Hyperthermia Monitor (product code NZE), Class II - Special Controls.

Submitted by Zoll Circulation, Inc. (San Jose, US). The FDA issued a Cleared decision on October 15, 2025 after a review of 198 days - an extended review cycle.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.5900 - 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 Zoll Circulation, Inc. devices

Submission Details

510(k) Number K250979 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 31, 2025
Decision Date October 15, 2025
Days to Decision 198 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
73d slower than avg
Panel avg: 125d · This submission: 198d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code NZE Hyperthermia Monitor
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.5900
Definition Intended To Monitor And Reduce A Patient's Temperature To Mild Hypothermia (not To Go Below 32 Degrees Celsius. To Induce Mild Hypothermia In Hyperthermic Patients E.g., Heat Stroke, Fever (excluding Fever Related To Head Injury, Cardiac Arrest, Or Other Severe Medical Conditions).
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.