Cleared Traditional

K971721 - WHITESIDE BIOMECHANICS, INC. ZIRCONIA CERAMIC FEMORAL HEAD

K971721 is an FDA 510(k) clearance for WHITESIDE BIOMECHANICS, manufactured by Whiteside Biomechanics, Inc.. The device is a Class 2 Orthopedic device with product code LZO cleared through the Traditional 510(k) pathway after a 82-day FDA review.

K971721 · Whiteside Biomechanics, Inc. · Orthopedic device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Jul 1997
Decision
82d
Days
Class 2
Risk

K971721 is an FDA 510(k) clearance for the WHITESIDE BIOMECHANICS, INC. ZIRCONIA CERAMIC FEMORAL HEAD. Classified as Prosthesis, Hip, Semi-constrained, Metal/ceramic/polymer, Cemented Or Non-porous, Uncemented (product code LZO), Class II - Special Controls.

Submitted by Whiteside Biomechanics, Inc. (Creve Coeur, US). The FDA issued a Cleared decision on July 30, 1997 after a review of 82 days - a notably fast clearance cycle.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3353 - 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 Biomechanics, Inc. devices

FDA 510(k) Submission Details - K971721

510(k) Number K971721 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 09, 1997
Decision Date July 30, 1997
Days to Decision 82 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
40d faster than avg
Panel avg: 122d · This submission: 82d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

LZO Device Classification - Class 2, Special Controls

Product Code LZO Prosthesis, Hip, Semi-constrained, Metal/ceramic/polymer, Cemented Or Non-porous, Uncemented
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3353
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 - LZO Prosthesis, Hip, Semi-constrained, Metal/ceramic/polymer, Cemented Or Non-porous, Uncemented

All 491
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