Cleared Traditional

TRANSWARMER (K934631) - FDA 510(k) Clearance

Class I Physical Medicine device.

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Feb 1994
Decision
132d
Days
Class 1
Risk

K934631 is an FDA 510(k) clearance for the TRANSWARMER. Classified as Pack, Hot Or Cold, Disposable (product code IMD), Class I - General Controls.

Submitted by Prism Technologies, Inc. (San Antonio, US). The FDA issued a Cleared decision on February 3, 1994 after a review of 132 days - within the typical 510(k) review window.

This device falls under the Physical Medicine FDA review panel, regulated under 21 CFR 890.5710 - the FDA physical medicine device 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 Physical Medicine review framework, consistent with the majority of Class II 510(k) submissions.

View all Prism Technologies, Inc. devices

Submission Details

510(k) Number K934631 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 24, 1993
Decision Date February 03, 1994
Days to Decision 132 days
Submission Type Traditional
Review Panel Physical Medicine (PM)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
17d slower than avg
Panel avg: 115d · This submission: 132d
Pathway characteristics
Predicate-based equivalence.

Device Classification

Product Code IMD Pack, Hot Or Cold, Disposable
Device Class Class 1 - General Controls
CFR Regulation 21 CFR 890.5710
What this classification means

Class I devices are subject to general controls only and most are exempt from 510(k) premarket notification. They represent the lowest regulatory burden in the FDA device framework.

Regulatory Peers - IMD Pack, Hot Or Cold, Disposable

All 81
Devices cleared under the same product code (IMD) and FDA review panel - the closest regulatory comparables to K934631.
InfaTherm Disposable Infant Warming Mattress
K221653 · International Biomedical · Oct 2022
INFANT HEEL WARMER
K950680 · Baxter Healthcare Corp · Aug 1995
POLY-MEDICS HEAT PACK
K941245 · Biomet, Inc. · May 1994
PERI-K PAD COLD PACK
K920760 · Baxter Healthcare Corp · Jul 1993
3M HEAT COMFORT PORTABLE SELF-HEATING PAD
K901778 · 3M Company · May 1990
EXOTHERMIC HEATING PAD
K850637 · Travenol Laboratories, S.A. · Apr 1985