Cleared Traditional

PR4 (K911097) - FDA 510(k) Clearance

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

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Aug 1991
Decision
148d
Days
Class 2
Risk

K911097 is an FDA 510(k) clearance for the PR4. Classified as Recorder, Magnetic Tape, Medical (product code DSH), Class II - Special Controls.

Submitted by Mortara Instrument, Inc. (Marlboro, US). The FDA issued a Cleared decision on August 7, 1991 after a review of 148 days - within the typical 510(k) review window.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.2800 - 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 Mortara Instrument, Inc. devices

Submission Details

510(k) Number K911097 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 12, 1991
Decision Date August 07, 1991
Days to Decision 148 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
23d slower than avg
Panel avg: 125d · This submission: 148d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code DSH Recorder, Magnetic Tape, Medical
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.2800
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 - DSH Recorder, Magnetic Tape, Medical

All 193
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