Cleared Traditional

K840451 - BIOPSY ATTACHMENT

Also marketed or referenced as:
DYNEX ULTRASOUND-

K840451 is an FDA 510(k) clearance for BIOPSY ATTACHMENT, manufactured by Elscint, Inc.. The device is a Class 2 Radiology device with product code IYO cleared through the Traditional 510(k) pathway after a 98-day FDA review.

K840451 · Elscint, Inc. · Radiology device
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May 1984
Decision
98d
Days
Class 2
Risk

K840451 is an FDA 510(k) clearance for the BIOPSY ATTACHMENT. Classified as System, Imaging, Pulsed Echo, Ultrasonic (product code IYO), Class II - Special Controls.

Submitted by Elscint, Inc. (Mchenry, US). The FDA issued a Cleared decision on May 9, 1984 after a review of 98 days - within the typical 510(k) review window.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 892.1560 - 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 Elscint, Inc. devices

FDA 510(k) Submission Details - K840451

510(k) Number K840451 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 01, 1984
Decision Date May 09, 1984
Days to Decision 98 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
9d faster than avg
Panel avg: 107d · This submission: 98d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

IYO Device Classification - Class 2, Special Controls

Product Code IYO System, Imaging, Pulsed Echo, Ultrasonic
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 892.1560
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 - IYO System, Imaging, Pulsed Echo, Ultrasonic

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