Cleared Traditional

MODULAR ACETABULAR SHELL II (K955739) - FDA 510(k) Clearance

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

K955739 · Intermedics Orthopedics · Orthopedic device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Mar 1996
Decision
100d
Days
Class 2
Risk

K955739 is an FDA 510(k) clearance for the MODULAR ACETABULAR SHELL II. Classified as Prosthesis, Hip, Semi-constrained, Metal/polymer, Porous Uncemented (product code LPH), Class II - Special Controls.

Submitted by Intermedics Orthopedics (Austin, US). The FDA issued a Cleared decision on March 27, 1996 after a review of 100 days - within the typical 510(k) review window.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3358 - 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 Intermedics Orthopedics devices

Submission Details

510(k) Number K955739 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received December 18, 1995
Decision Date March 27, 1996
Days to Decision 100 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
22d faster than avg
Panel avg: 122d · This submission: 100d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code LPH Prosthesis, Hip, Semi-constrained, Metal/polymer, Porous Uncemented
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3358
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 - LPH Prosthesis, Hip, Semi-constrained, Metal/polymer, Porous Uncemented

All 325
Devices cleared under the same product code (LPH) and FDA review panel - the closest regulatory comparables to K955739.
DEPUY DURALOC CEMENTLESS ACETABULAR CUP SYSTEM
K961186 · Depuy, Inc. · Sep 1996
S-ROM FEMORAL HIP STEM(SIZES 12 X 06 X 115 AND 12 X 07 X 115)
K961939 · Johnson & Johnson Professionals, Inc. · Aug 1996
FENNING FEMORAL COMPONENT
K960303 · Biomet, Inc. · Jun 1996
DEPUY POROCOAT HPS II HIP PROSTHESIS W/ARTICUL-EZE TAPER
K960172 · Depuy, Inc. · Mar 1996
HOWMEDICA ASYMMETRIC STEM FEMORAL COMPONENT
K955871 · Howmedica Corp. · Mar 1996
DEPUY VISION AML HIP PROTHESIS
K953694 · Depuy, Inc. · Feb 1996