Cleared Traditional

K903948 - INTERMEDICS MODEL 431-11 IMPLANT ENDOCARD PAC LEAD (FDA 510(k) Clearance)

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

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Apr 1991
Decision
238d
Days
Class 3
Risk

K903948 is an FDA 510(k) clearance for the INTERMEDICS MODEL 431-11 IMPLANT ENDOCARD PAC LEAD. Classified as Permanent Pacemaker Electrode (product code DTB), Class III - Premarket Approval.

Submitted by Intermedics, Inc. (Freeport, US). The FDA issued a Cleared decision on April 22, 1991 after a review of 238 days - an extended review cycle.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.3680 - 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.

View all Intermedics, Inc. devices

Submission Details

510(k) Number K903948 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received August 27, 1990
Decision Date April 22, 1991
Days to Decision 238 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
113d slower than avg
Panel avg: 125d · This submission: 238d
Pathway characteristics
Predicate-based equivalence.

Device Classification

Product Code DTB Permanent Pacemaker Electrode
Device Class Class 3 - Premarket Approval
CFR Regulation 21 CFR 870.3680
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.