Cleared Traditional

K052331 - ACUSON CYPRESS ULTRASOUND SYSTEM

K052331 is an FDA 510(k) clearance for ACUSON CYPRESS ULTRASOUND SYSTEM, manufactured by Siemens Medical Solutions USA, Inc.. The device is a Class 2 Radiology device with product code IYN cleared through the Traditional 510(k) pathway after a 76-day FDA review.

K052331 · Siemens Medical Solutions USA, Inc. · Radiology device
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Nov 2005
Decision
76d
Days
Class 2
Risk

K052331 is an FDA 510(k) clearance for the ACUSON CYPRESS ULTRASOUND SYSTEM. Classified as System, Imaging, Pulsed Doppler, Ultrasonic within the IYN classification (a category covering pulsed Doppler and ultrasound imaging systems), Class II - Special Controls.

Submitted by Siemens Medical Solutions USA, Inc. (Mountain View, US). The FDA issued a Cleared decision on November 10, 2005 after a review of 76 days - a notably fast clearance cycle.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 892.1550 - 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 Medical Solutions USA, Inc. devices

FDA 510(k) Submission Details - K052331

510(k) Number K052331 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received August 26, 2005
Decision Date November 10, 2005
Days to Decision 76 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
31d faster than avg
Panel avg: 107d · This submission: 76d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

IYN Device Classification - Class 2, Special Controls

Product Code IYN System, Imaging, Pulsed Doppler, Ultrasonic
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 892.1550
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 - IYN System, Imaging, Pulsed Doppler, Ultrasonic

All 1091
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