Cleared Traditional

BIO-IMPEDANCE ANALYZER (K904109) - FDA 510(k) Clearance

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

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Jan 1991
Decision
124d
Days
Class 2
Risk

K904109 is an FDA 510(k) clearance for the BIO-IMPEDANCE ANALYZER. Classified as Plethysmograph, Impedance (product code DSB), Class II - Special Controls.

Submitted by Xitron Technologies, Inc. (San Diego, US). The FDA issued a Cleared decision on January 8, 1991 after a review of 124 days - within the typical 510(k) review window.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.2770 - 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 Xitron Technologies, Inc. devices

Submission Details

510(k) Number K904109 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 06, 1990
Decision Date January 08, 1991
Days to Decision 124 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
1d faster than avg
Panel avg: 125d · This submission: 124d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code DSB Plethysmograph, Impedance
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.2770
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.