Cleared Traditional

K923911 - INTRINSIC STEM

K923911 is an FDA 510(k) clearance for INTRINSIC STEM, manufactured by Turnkey Intergration USA, Inc.. The device is a Class 2 Orthopedic device with product code LWJ cleared through the Traditional 510(k) pathway after a 253-day FDA review.

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Apr 1993
Decision
253d
Days
Class 2
Risk

K923911 is an FDA 510(k) clearance for the INTRINSIC STEM. Classified as Prosthesis, Hip, Semi-constrained, Metal/polymer, Uncemented (product code LWJ), Class II - Special Controls.

Submitted by Turnkey Intergration USA, Inc. (Indianapolis, US). The FDA issued a Cleared decision on April 14, 1993 after a review of 253 days - an extended review cycle.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3360 - 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 Turnkey Intergration USA, Inc. devices

FDA 510(k) Submission Details - K923911

510(k) Number K923911 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received August 04, 1992
Decision Date April 14, 1993
Days to Decision 253 days
Submission Type Traditional
Review Panel Orthopedic (OR)
Summary Statement
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
131d slower than avg
Panel avg: 122d · This submission: 253d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

LWJ Device Classification - Class 2, Special Controls

Product Code LWJ Prosthesis, Hip, Semi-constrained, Metal/polymer, Uncemented
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3360
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 - LWJ Prosthesis, Hip, Semi-constrained, Metal/polymer, Uncemented

All 62
Devices cleared under the same product code (LWJ) and FDA review panel - the closest regulatory comparables to K923911.
HOWMEDICA V40 22MM FEMORAL HEAD
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COBALT CHROME GEMINI
K934909 · Depuy, Inc. · Apr 1994
OSTEONICS 22MM, +10 NECK BEARING HEADS
K933359 · Osteonics Corp. · Mar 1994
VENUS HIP
K913708 · Turnkey Intergration USA, Inc. · Jan 1992
TI-FIT FEMORAL COMPONENT
K914343 · Smith & Nephew Richards, Inc. · Jan 1992
HOWMEDICA HNR SYSTEM
K903563 · Howmedica Corp. · Mar 1991