Cleared Traditional

K955271 - MICRO-SEAL ACETABULAR SYSTEM

K955271 is an FDA 510(k) clearance for MICRO-SEAL ACETABULAR SYSTEM, manufactured by Whiteside Instruments. The device is a Class 2 Orthopedic device with product code LPH cleared through the Traditional 510(k) pathway after a 76-day FDA review.

K955271 · Whiteside Instruments · Orthopedic device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Jan 1996
Decision
76d
Days
Class 2
Risk

K955271 is an FDA 510(k) clearance for the MICRO-SEAL ACETABULAR SYSTEM. Classified as Prosthesis, Hip, Semi-constrained, Metal/polymer, Porous Uncemented (product code LPH), Class II - Special Controls.

Submitted by Whiteside Instruments (Creve Coeur, US). The FDA issued a Cleared decision on January 30, 1996 after a review of 76 days - a notably fast clearance cycle.

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: Fast-track predicate clearance. Standard predicate reliance. The short review cycle indicates strong predicate alignment - the FDA found sufficient equivalence without extended technical review.

View all Whiteside Instruments devices

FDA 510(k) Submission Details - K955271

510(k) Number K955271 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 15, 1995
Decision Date January 30, 1996
Days to Decision 76 days
Submission Type Traditional
Review Panel Orthopedic (OR)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
46d faster than avg
Panel avg: 122d · This submission: 76d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

LPH Device Classification - Class 2, Special Controls

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 539
Devices cleared under the same product code (LPH) and FDA review panel - the closest regulatory comparables to K955271.
DEPUY VISION AML HIP PROTHESIS
K953694 · Depuy, Inc. · Feb 1996
DEPUY VISION SOLUTION HIP PROSTHESIS
K953703 · Depuy, Inc. · Feb 1996
RIM FLARE ACETABULAR COMPONENT
K955033 · Intermedics Orthopedics · Jan 1996
BETA HIP PROSTHESIS
K953337 · Zimmer, Inc. · Jan 1996
S-ROM FEMORAL HIP STEM - SIZE 14 X 8
K954935 · Joint Medical Products Corp. · Jan 1996
TRILOGY ACETABULAR COMPONENT 7MM OFFSET
K954698 · Zimmer, Inc. · Jan 1996