Cleared Special

K241690 - Logical Liner

Also marketed or referenced as:
World Liner World Knee Patella

K241690 is the FDA 510(k) clearance for Logical Liner by Signature Orthopaedics Pty, Ltd.. It is a Class 2 Orthopedic device (product code MEH) cleared through the Special 510(k) pathway after a 50-day FDA review.

K241690 · Signature Orthopaedics Pty, Ltd. · Orthopedic device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Aug 2024
Decision
50d
Days
Class 2
Risk

K241690 is an FDA 510(k) clearance for the Logical Liner. Classified as Prosthesis, Hip, Semi-constrained, Uncemented, Metal / Polymer, Non-porous, Calcium Phosphate (product code MEH), Class II - Special Controls.

Submitted by Signature Orthopaedics Pty, Ltd. (Lane Cove West, AU). The FDA issued a Cleared decision on August 1, 2024 after a review of 50 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. As a Special 510(k), this submission covers a manufacturer modification to an existing cleared device rather than a new device introduction.

Device pattern: Iterative device modification. Low regulatory complexity profile. This Special 510(k) clearance confirms that the manufacturer's modifications remained within the established regulatory envelope of the original cleared device.

View all Signature Orthopaedics Pty, Ltd. devices

Submission Details

510(k) Number K241690 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 12, 2024
Decision Date August 01, 2024
Days to Decision 50 days
Submission Type Special
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
72d faster than avg
Panel avg: 122d · This submission: 50d
Pathway characteristics
Modification to existing cleared device.

Device Classification

Product Code MEH Prosthesis, Hip, Semi-constrained, Uncemented, Metal / Polymer, Non-porous, Calcium Phosphate
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 - MEH Prosthesis, Hip, Semi-constrained, Uncemented, Metal / Polymer, Non-porous, Calcium Phosphate

All 126
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