Cleared Traditional

K991603 - GRIT BLASTED HUMERAL STEM

K991603 is an FDA 510(k) clearance for GRIT BLASTED HUMERAL STEM, manufactured by Encore Orthopedics, Inc.. The device is a Class 2 Orthopedic device with product code KWT cleared through the Traditional 510(k) pathway after a 50-day FDA review.

K991603 · Encore Orthopedics, Inc. · Orthopedic device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Jun 1999
Decision
50d
Days
Class 2
Risk

K991603 is an FDA 510(k) clearance for the GRIT BLASTED HUMERAL STEM. Classified as Prosthesis, Shoulder, Non-constrained, Metal/polymer Cemented (product code KWT), Class II - Special Controls.

Submitted by Encore Orthopedics, Inc. (Austin, US). The FDA issued a Cleared decision on June 29, 1999 after a review of 50 days - a notably fast clearance cycle.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3650 - 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 Encore Orthopedics, Inc. devices

FDA 510(k) Submission Details - K991603

510(k) Number K991603 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 10, 1999
Decision Date June 29, 1999
Days to Decision 50 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
72d faster than avg
Panel avg: 122d · This submission: 50d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

KWT Device Classification - Class 2, Special Controls

Product Code KWT Prosthesis, Shoulder, Non-constrained, Metal/polymer Cemented
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3650
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 - KWT Prosthesis, Shoulder, Non-constrained, Metal/polymer Cemented

All 59
Devices cleared under the same product code (KWT) and FDA review panel - the closest regulatory comparables to K991603.
EPOCA CODR STEM AND HEAD
K014049 · Stelkast Company · Jan 2002
BIOMET BI-POLAR SHOULDER SYSTEM
K002998 · Biomet, Inc. · Oct 2000
BIPOLAR SHOULDER PROSTHESIS
K991585 · Biomet, Inc. · Aug 1999
GLOBAL FX HUMERAL STEM, GLOBAL ADVANTAGE HUMERAL HEAD
K984541 · DePuy Orthopaedics, Inc. · Jan 1999
NEW ZIMMER SHOULDER SYSTEM
K982981 · Zimmer, Inc. · Dec 1998
SELECT SHOULDER CURVED-BACK PEGGED ALL POLY GLENOIDS
K970567 · Intermedics Orthopedics · Feb 1997