Cleared Traditional

K082081 - MAKO SURGICAL CORPORATION UNICONDYLAR KNEE IMPLANT SYSTEM III (FDA 510(k) Clearance)

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

K082081 · Mako Surgical Corp. · Orthopedic device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Oct 2008
Decision
84d
Days
Class 2
Risk

K082081 is an FDA 510(k) clearance for the MAKO SURGICAL CORPORATION UNICONDYLAR KNEE IMPLANT SYSTEM III. Classified as Prosthesis, Knee, Femorotibial, Non-constrained, Cemented, Metal/polymer (product code HSX), Class II - Special Controls.

Submitted by Mako Surgical Corp. (Fort Lauderdale, US). The FDA issued a Cleared decision on October 15, 2008 after a review of 84 days - a notably fast clearance cycle.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3520 - 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 Mako Surgical Corp. devices

Submission Details

510(k) Number K082081 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 23, 2008
Decision Date October 15, 2008
Days to Decision 84 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
38d faster than avg
Panel avg: 122d · This submission: 84d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code HSX Prosthesis, Knee, Femorotibial, Non-constrained, Cemented, Metal/polymer
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3520
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 - HSX Prosthesis, Knee, Femorotibial, Non-constrained, Cemented, Metal/polymer

All 113
Devices cleared under the same product code (HSX) and FDA review panel - the closest regulatory comparables to K082081.
Tahoe Unicondylar Knee System with TiNbN Overcoat
K260796 · Shalby Advanced Technologies, Inc. Dba Consensus Orthopedics · Apr 2026
Cambridge Partial Knee
K251771 · Signature Orthopaedics Pty, Ltd. · Dec 2025
Persona Partial Knee
K251834 · Zimmer Biomet · Aug 2025
MOTO Partial Knee System Extension
K251618 · Medacta International S.A. · Jul 2025
Arthrex iBalance Partial Knee System
K251453 · Arthrex, Inc. · Jul 2025
ACTIFY™ Unicondylar Knee System
K241260 · Globus Medical, Inc. · Dec 2024