Cleared Traditional

IOI COCR UNIPOLAR PROSTHESIS (K934159) - FDA 510(k) Clearance

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

K934159 · Intermedics Orthopedics · Orthopedic device
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Jul 1994
Decision
328d
Days
Class 2
Risk

K934159 is an FDA 510(k) clearance for the IOI COCR UNIPOLAR PROSTHESIS. Classified as Prosthesis, Hip, Hemi-, Femoral, Metal/polymer, Cemented Or Uncemented (product code KWY), Class II - Special Controls.

Submitted by Intermedics Orthopedics (Austin, US). The FDA issued a Cleared decision on July 21, 1994 after a review of 328 days - an unusually long review period, suggesting complex equivalence evaluation.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3390 - the FDA orthopedic device regulatory 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. Elevated predicate reliance profile. This clearance follows a standard predicate-based equivalence path within the Orthopedic review framework, consistent with the majority of Class II 510(k) submissions.

View all Intermedics Orthopedics devices

Submission Details

510(k) Number K934159 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received August 27, 1993
Decision Date July 21, 1994
Days to Decision 328 days
Submission Type Traditional
Review Panel Orthopedic (OR)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
206d slower than avg
Panel avg: 122d · This submission: 328d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code KWY Prosthesis, Hip, Hemi-, Femoral, Metal/polymer, Cemented Or Uncemented
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3390
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 Orthopedic devices follow this clearance model.

Regulatory Peers - KWY Prosthesis, Hip, Hemi-, Femoral, Metal/polymer, Cemented Or Uncemented

All 48
Devices cleared under the same product code (KWY) and FDA review panel - the closest regulatory comparables to K934159.
UHMWPE COMPONENTS-CHANGE IN PACKAGING
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P.F.C.(R) BIPOLAR HIP SYSTEM - 22MM BIPOLAR
K945793 · Johnson & Johnson Professionals, Inc. · Apr 1995
P.F.C. TOTAL HIP SYSTEM
K944132 · Johnson & Johnson Professionals, Inc. · Jan 1995
IT-7 FEMORAL COMPONENT, ANATOMIC HIP SYSTEM
K925153 · Howmedica Corp. · Mar 1994
EXACTECH BIPOLAR HIP PROSTHESIS
K905370 · Exactech, Inc. · Feb 1991
LEINBACH HIP PROSTHESIS
K896257 · 3M Company · Jan 1990