Cleared Traditional

K884824 - TRICON-M TOTAL KNEE SYSTEM (FDA 510(k) Clearance)

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

K884824 · Richards Medical Co., Inc. · Orthopedic device
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Nov 1989
Decision
368d
Days
Class 2
Risk

K884824 is an FDA 510(k) clearance for the TRICON-M TOTAL KNEE SYSTEM. Classified as Prosthesis, Knee, Patello/femorotibial, Semi-constrained, Uhmwpe, Pegged, Cemented, Polymer/metal/polymer (product code MBV), Class II - Special Controls.

Submitted by Richards Medical Co., Inc. (Memphis, US). The FDA issued a Cleared decision on November 21, 1989 after a review of 368 days - an unusually long review period, suggesting complex equivalence evaluation.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3560 - 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. Elevated predicate reliance profile. 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 Richards Medical Co., Inc. devices

Submission Details

510(k) Number K884824 FDA.gov
FDA Decision Cleared Substantially Equivalent - NSE Converted (SN)
Date Received November 18, 1988
Decision Date November 21, 1989
Days to Decision 368 days
Submission Type Traditional
Review Panel Orthopedic (OR)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
246d slower than avg
Panel avg: 122d · This submission: 368d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code MBV Prosthesis, Knee, Patello/femorotibial, Semi-constrained, Uhmwpe, Pegged, Cemented, Polymer/metal/polymer
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3560
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.