Cleared Traditional

K851400 - SIRECUST 420 PATIENT DIALOG MONITOR (FDA 510(k) Clearance)

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

K851400 · Siemens Medical Solutions USA, Inc. · Cardiovascular device
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Jun 1985
Decision
78d
Days
Class 2
Risk

K851400 is an FDA 510(k) clearance for the SIRECUST 420 PATIENT DIALOG MONITOR. Classified as Display, Cathode-ray Tube, Medical (product code DXJ), Class II - Special Controls.

Submitted by Siemens Medical Solutions USA, Inc. (Iselin, US). The FDA issued a Cleared decision on June 26, 1985 after a review of 78 days - a notably fast clearance cycle.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.2450 - 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: 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

Submission Details

510(k) Number K851400 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 09, 1985
Decision Date June 26, 1985
Days to Decision 78 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
47d faster than avg
Panel avg: 125d · This submission: 78d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code DXJ Display, Cathode-ray Tube, Medical
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.2450
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.