Cleared Traditional

K781287 - DENTAL X-RAY UNIT W/CEPHALOMETRIC ATTACH (FDA 510(k) Clearance)

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

K781287 · Siemens Corp. · Radiology device
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Sep 1978
Decision
47d
Days
Class 2
Risk

K781287 is an FDA 510(k) clearance for the DENTAL X-RAY UNIT W/CEPHALOMETRIC ATTACH. Classified as Cephalometer (product code EAG), Class II - Special Controls.

Submitted by Siemens Corp. (Walker, US). The FDA issued a Cleared decision on September 11, 1978 after a review of 47 days - a notably fast clearance cycle.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 872.1830 - 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: 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 Siemens Corp. devices

Submission Details

510(k) Number K781287 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 26, 1978
Decision Date September 11, 1978
Days to Decision 47 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
60d faster than avg
Panel avg: 107d · This submission: 47d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code EAG Cephalometer
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 872.1830
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.