Cleared Traditional

K955854 - LIFEPAK 500 (FDA 510(k) Clearance)

Class III device cleared through the 510(k) pathway via substantial equivalence to a legally marketed predicate.

K955854 · Physio-Control Corp. · Cardiovascular device
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Nov 1996
Decision
312d
Days
Class 3
Risk

K955854 is an FDA 510(k) clearance for the LIFEPAK 500. Classified as Automated External Defibrillators (non-wearable) (product code MKJ), Class III - Premarket Approval.

Submitted by Physio-Control Corp. (Redmond, US). The FDA issued a Cleared decision on November 4, 1996 after a review of 312 days - an unusually long review period, suggesting complex equivalence evaluation.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.5310 - 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: High-complexity regulatory submission. High regulatory complexity profile. This clearance follows a standard predicate-based equivalence path within the Cardiovascular review framework, consistent with the majority of Class II 510(k) submissions.

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Submission Details

510(k) Number K955854 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received December 28, 1995
Decision Date November 04, 1996
Days to Decision 312 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
187d slower than avg
Panel avg: 125d · This submission: 312d
Pathway characteristics
Predicate-based equivalence.

Device Classification

Product Code MKJ Automated External Defibrillators (non-wearable)
Device Class Class 3 - Premarket Approval
CFR Regulation 21 CFR 870.5310
Definition This Device Is A Non-wearable Prescription Use Only Aed. These Are Devices That Include Automated External Defibrillation. Automated External Defibrillators Use External Pad-type Electrodes To Sense, Detect, Classify And Treat (with An Electrical Shock) Ventricular Fibrillation. These Devices Are Intended To Be Used On Suspected Victims Of Sudden Cardiac Arrest. A Person In Cardiac Arrest Is Unresponsive And Is Not Breathing Normally. The Device Can Be Sold With Prescription Only.
What this classification means

Class III devices typically require Premarket Approval (PMA) with clinical evidence. Clearance through 510(k) for Class III devices is granted only when substantial equivalence to a valid predicate can be established.