Cleared Traditional

EXETER INTRAMEDULLARY BONE PLUG (K933077) - FDA 510(k) Clearance

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

K933077 · Howmedica Corp. · Orthopedic device
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May 1995
Decision
692d
Days
Class 2
Risk

K933077 is an FDA 510(k) clearance for the EXETER INTRAMEDULLARY BONE PLUG. Classified as Cement Obturator (product code LZN), Class II - Special Controls.

Submitted by Howmedica Corp. (Rutherford, US). The FDA issued a Cleared decision on May 16, 1995 after a review of 692 days - an unusually long review period, suggesting complex equivalence evaluation.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 878.3300 - 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: High-complexity regulatory submission. Elevated predicate reliance profile. The extended review timeline suggests the FDA required additional documentation before confirming substantial equivalence - a pattern common in complex or first-of-kind Orthopedic submissions.

View all Howmedica Corp. devices

Submission Details

510(k) Number K933077 FDA.gov
FDA Decision Cleared Substantially Equivalent - NSE Converted (SN)
Date Received June 23, 1993
Decision Date May 16, 1995
Days to Decision 692 days
Submission Type Traditional
Review Panel Orthopedic (OR)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
570d slower than avg
Panel avg: 122d · This submission: 692d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code LZN Cement Obturator
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 878.3300
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 - LZN Cement Obturator

All 36
Devices cleared under the same product code (LZN) and FDA review panel - the closest regulatory comparables to K933077.
Artisan Bone Plug, Universal Cement Restrictor
K220838 · Howmedica Osteonics, Dba Stryker Orthopaedics · May 2022
BIOBUCK CEMENT RESTRICTOR
K023680 · Smith & Nephew, Inc. · Nov 2002
OSTEONICS UNIVERSAL DISTAL CEMENT PLUG
K992462 · Howmedica Osteonics Corp. · Aug 1999
CEMENTRALIZER DISTAL STEM CENTRALIZER
K951930 · Depuy, Inc. · Jul 1995
HOWMEDICE BONE PLUG
K951860 · Howmedica Corp. · May 1995
HIP FRACTURE STEM SYSTEM - FENESTRATION PLUG
K890326 · Howmedica Corp. · Feb 1989