Cleared Traditional

K831143 - P.C.A. UNICOMPARTMENTAL KNEE PROSTHES (FDA 510(k) Clearance)

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

K831143 · Howmedica Corp. · Orthopedic device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Aug 1983
Decision
131d
Days
Class 2
Risk

K831143 is an FDA 510(k) clearance for the P.C.A. UNICOMPARTMENTAL KNEE PROSTHES. Classified as Prosthesis, Knee, Femorotibial, Semi-constrained, Cemented, Metal/polymer (product code HRY), Class II - Special Controls.

Submitted by Howmedica Corp. (Mchenry, US). The FDA issued a Cleared decision on August 16, 1983 after a review of 131 days - within the typical 510(k) review window.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3530 - 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. Standard predicate reliance. 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 Howmedica Corp. devices

Submission Details

510(k) Number K831143 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 07, 1983
Decision Date August 16, 1983
Days to Decision 131 days
Submission Type Traditional
Review Panel Orthopedic (OR)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
9d slower than avg
Panel avg: 122d · This submission: 131d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code HRY Prosthesis, Knee, Femorotibial, Semi-constrained, Cemented, Metal/polymer
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3530
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.