Cleared Traditional

TOWNLEY ALL POLY ACETABULAR CUP (K952731) - FDA 510(k) Clearance

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

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Dec 1995
Decision
196d
Days
Class 2
Risk

K952731 is an FDA 510(k) clearance for the TOWNLEY ALL POLY ACETABULAR CUP. Classified as Prosthesis, Hip, Semi-constrained, Metal/polymer, Cemented (product code JDI), Class II - Special Controls.

Submitted by Biologically Oriented Prostheses (Port Huron, US). The FDA issued a Cleared decision on December 28, 1995 after a review of 196 days - an extended review cycle.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3350 - 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. Standard predicate reliance. 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 Biologically Oriented Prostheses devices

Submission Details

510(k) Number K952731 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 15, 1995
Decision Date December 28, 1995
Days to Decision 196 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
74d slower than avg
Panel avg: 122d · This submission: 196d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code JDI Prosthesis, Hip, Semi-constrained, Metal/polymer, Cemented
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3350
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 - JDI Prosthesis, Hip, Semi-constrained, Metal/polymer, Cemented

All 280
Devices cleared under the same product code (JDI) and FDA review panel - the closest regulatory comparables to K952731.
ZCH ALPHA SYSTEM
K954744 · Zimmer, Inc. · Jan 1996
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BETA FEMORAL HIP STEM
K945774 · Wrightmedicaltechnologyinc · Dec 1995
ALPHA LONG STEM FEMORAL COMPONENT (SUBJECT TO WMTI MARKETING APPROVAL)
K951139 · Wrightmedicaltechnologyinc · Nov 1995
NEXUS II FEMORAL COMPONENT
K954262 · Wrightmedicaltechnologyinc · Nov 1995
SLT 28MM XXL FEMORAL HEAD
K953025 · Wrightmedicaltechnologyinc · Sep 1995