Cleared Traditional

SANKO INTRAORAL DENTAL X-RAY (K972921) - FDA 510(k) Clearance

Class II Radiology device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

K972921 · Sanko X-Ray Manufacturing Co., Ltd. · Radiology device
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Jan 1998
Decision
151d
Days
Class 2
Risk

K972921 is an FDA 510(k) clearance for the SANKO INTRAORAL DENTAL X-RAY. Classified as Unit, X-ray, Extraoral With Timer (product code EHD), Class II - Special Controls.

Submitted by Sanko X-Ray Manufacturing Co., Ltd. (Virginia Beach, US). The FDA issued a Cleared decision on January 6, 1998 after a review of 151 days - an extended review cycle.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 872.1800 - 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 Sanko X-Ray Manufacturing Co., Ltd. devices

Submission Details

510(k) Number K972921 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received August 08, 1997
Decision Date January 06, 1998
Days to Decision 151 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
44d slower than avg
Panel avg: 107d · This submission: 151d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code EHD Unit, X-ray, Extraoral With Timer
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 872.1800
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 - EHD Unit, X-ray, Extraoral With Timer

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