Cleared Traditional

K911097 - PR4 (FDA 510(k) Clearance)

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

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.

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 -
Regulatory Context
Review time vs. panel average
8d slower than avg
Panel avg: 140d · 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

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