Cleared Traditional

CRYOTRON-UL30 (K900419) - FDA 510(k) Clearance

Class I Physical Medicine device.

K900419 · Henley Intl. · Physical Medicine device
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Feb 1990
Decision
28d
Days
Class 1
Risk

K900419 is an FDA 510(k) clearance for the CRYOTRON-UL30. Classified as Unit, Chilling (product code IMF), Class I - General Controls.

Submitted by Henley Intl. (Sugar Land, US). The FDA issued a Cleared decision on February 27, 1990 after a review of 28 days - a notably fast clearance cycle.

This device falls under the Physical Medicine FDA review panel, regulated under 21 CFR 890.5940 - 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 Henley Intl. devices

Submission Details

510(k) Number K900419 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received January 30, 1990
Decision Date February 27, 1990
Days to Decision 28 days
Submission Type Traditional
Review Panel Physical Medicine (PM)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
87d faster than avg
Panel avg: 115d · This submission: 28d
Pathway characteristics
Predicate-based equivalence.

Device Classification

Product Code IMF Unit, Chilling
Device Class Class 1 - General Controls
CFR Regulation 21 CFR 890.5940
What this classification means

Class I devices are subject to general controls only and most are exempt from 510(k) premarket notification. They represent the lowest regulatory burden in the FDA device framework.