Cleared Traditional

K900041 - FORTRESS LIBERATOR RWD SCOOTER

K900041 is an FDA 510(k) clearance for FORTRESS LIBERATOR RWD SCOOTER, manufactured by Fortress Scientific , Ltd.. The device is a Class 2 Physical Medicine device with product code INI cleared through the Traditional 510(k) pathway after a 10-day FDA review.

K900041 · Fortress Scientific , Ltd. · Physical Medicine device
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Jan 1990
Decision
10d
Days
Class 2
Risk

K900041 is an FDA 510(k) clearance for the FORTRESS LIBERATOR RWD SCOOTER. Classified as Vehicle, Motorized 3-wheeled (product code INI), Class II - Special Controls.

Submitted by Fortress Scientific , Ltd. (Washington, US). The FDA issued a Cleared decision on January 12, 1990 after a review of 10 days - a notably fast clearance cycle.

This device falls under the Physical Medicine FDA review panel, regulated under 21 CFR 890.3800 - the FDA physical medicine device 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 Fortress Scientific , Ltd. devices

FDA 510(k) Submission Details - K900041

510(k) Number K900041 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received January 02, 1990
Decision Date January 12, 1990
Days to Decision 10 days
Submission Type Traditional
Review Panel Physical Medicine (PM)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
105d faster than avg
Panel avg: 115d · This submission: 10d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

INI Device Classification - Class 2, Special Controls

Product Code INI Vehicle, Motorized 3-wheeled
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 890.3800
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 Physical Medicine devices follow this clearance model.

Regulatory Peers - INI Vehicle, Motorized 3-wheeled

All 90
Devices cleared under the same product code (INI) and FDA review panel - the closest regulatory comparables to K900041.
FORTRESS 1800FS REAR WHEEL DRIVE SCOOTER
K921069 · Fortress Scientific , Ltd. · Apr 1992
TRI-ROLLS REAR WHEEL DRIVE POWERED SCOOTER
K901586 · Invacare Corp. · Apr 1990
TRI-SCOOT FRONT WHEEL DRIVE POWERED SCOOTER
K900600 · Invacare Corp. · Feb 1990
FORTRESS BUDDY FRONT WHEEL DRIVE SCOOTER
K900042 · Fortress Scientific , Ltd. · Jan 1990
FORTRESS MODEL 2001LX ELECTRIC 3-WHEELER
K895692 · Fortress Scientific , Ltd. · Oct 1989
FORTRESS 2000FS 3-WHEEL SCOOTER
K895693 · Fortress Scientific , Ltd. · Oct 1989