Cleared Traditional

750 SD ULTRASOUND SCANNER(MODIFICATION) (K851901) - FDA 510(k) Clearance

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

K851901 · Ultrasonix, Inc. · Cardiovascular device
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Oct 1985
Decision
176d
Days
Class 2
Risk

K851901 is an FDA 510(k) clearance for the 750 SD ULTRASOUND SCANNER(MODIFICATION). Classified as Echocardiograph (product code DXK), Class II - Special Controls.

Submitted by Ultrasonix, Inc. (N. Yonkers, US). The FDA issued a Cleared decision on October 23, 1985 after a review of 176 days - an extended review cycle.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.2330 - the FDA cardiovascular device 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 Cardiovascular review framework, consistent with the majority of Class II 510(k) submissions.

View all Ultrasonix, Inc. devices

Submission Details

510(k) Number K851901 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 30, 1985
Decision Date October 23, 1985
Days to Decision 176 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
51d slower than avg
Panel avg: 125d · This submission: 176d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code DXK Echocardiograph
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.2330
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 Cardiovascular devices follow this clearance model.

Regulatory Peers - DXK Echocardiograph

All 14
Devices cleared under the same product code (DXK) and FDA review panel - the closest regulatory comparables to K851901.
MODEL UST-SSD 880L1-5 TRANESOPHAGEAL PHASED ARRAY
K861710 · Johnson & Johnson Professionals, Inc. · Jul 1986
SONOLINE SX ULTRASOUND SCANNER
K852739 · Siemens Medical Solutions USA, Inc. · Mar 1986
IRREGULAR CURVE TRACING REVISITION & DOPPLER
K853769 · Hewlett-Packard Co. · Oct 1985
MAVIS C
K813002 · Philips Medical Systems (Cleveland), Inc. · Mar 1982
LINEAR ARRAY SCANNER
K800805 · Philips Medical Systems (Cleveland), Inc. · Jul 1980
CATHODE RAY TUBE DISPLAY MODEL 1340A
K780332 · Hewlett-Packard Co. · Mar 1978