Cleared Traditional

K031385 - ANZAI AZ-733 RESPIRATORY GATING SYSTEM

K031385 is an FDA 510(k) clearance for ANZAI AZ-733 RESPIRATORY GATING SYSTEM, manufactured by Anzai Medical Co., Ltd.. The device is a Class 2 Radiology device with product code LHN cleared through the Traditional 510(k) pathway after a 193-day FDA review.

K031385 · Anzai Medical Co., Ltd. · Radiology device
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Nov 2003
Decision
193d
Days
Class 2
Risk

K031385 is an FDA 510(k) clearance for the ANZAI AZ-733 RESPIRATORY GATING SYSTEM. Classified as System, Radiation Therapy, Charged-particle, Medical (product code LHN), Class II - Special Controls.

Submitted by Anzai Medical Co., Ltd. (Brookeville, US). The FDA issued a Cleared decision on November 10, 2003 after a review of 193 days - an extended review cycle.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 892.5050 - the FDA radiology and imaging software oversight 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 Radiology review framework, consistent with the majority of Class II 510(k) submissions.

View all Anzai Medical Co., Ltd. devices

FDA 510(k) Submission Details - K031385

510(k) Number K031385 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 01, 2003
Decision Date November 10, 2003
Days to Decision 193 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
86d slower than avg
Panel avg: 107d · This submission: 193d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

LHN Device Classification - Class 2, Special Controls

Product Code LHN System, Radiation Therapy, Charged-particle, Medical
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 892.5050
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 Radiology devices follow this clearance model.

Regulatory Peers - LHN System, Radiation Therapy, Charged-particle, Medical

All 77
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