Cleared Traditional

IPG-300 (K852238) - FDA 510(k) Clearance

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

K852238 · Thornton Associates, Inc. · Cardiovascular device
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Oct 1985
Decision
141d
Days
Class 2
Risk

K852238 is an FDA 510(k) clearance for the IPG-300. Classified as Plethysmograph, Impedance (product code DSB), Class II - Special Controls.

Submitted by Thornton Associates, Inc. (Washington, US). The FDA issued a Cleared decision on October 11, 1985 after a review of 141 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 Thornton Associates, Inc. devices

Submission Details

510(k) Number K852238 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 23, 1985
Decision Date October 11, 1985
Days to Decision 141 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
16d slower than avg
Panel avg: 125d · This submission: 141d
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.

Regulatory Peers - DSB Plethysmograph, Impedance

All 113
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