510(k) Report

510(k) · Cleared

Cleared

Polystan Heart-Lung Machine System

K894657510(k) TraditionalCleared Mar 28, 1990247-day reviewClass II21 CFR 862.3670

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Polystan C/O Vitalcor, Inc. · DJQ Test Reagents For Phenothiazine

Cleared on Mar 28, 1990 after a 247-day review. FDA has not posted a summary or statement for it, so its predicates are not known.

Decided
Mar 28, 1990
Review
247 days
Class
Class II
Product code
DJQ
Recalls
None
Predicates
0

FDA has not posted a summary or statement for it, so its predicates are not known.

FIG. 1 — Lineage of K894657Source: FDA 510(k) database · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

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What was it cleared against?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

How does its category compare?

All DJQ devices

DJQ Test Reagents For Phenothiazine: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DJQ

FDA has decided no DJQ device since 2007.

Median 510(k) review, days · DJQ

Too few DJQ 510(k)s in any year since 2007 to give a median.

Recalls per year · DJQ

No recall names DJQ since 2007.

Adverse event reports per year · DJQ

No MAUDE report names DJQ since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—
Cite this page

510(k) Report. “K894657: Polystan Heart-Lung Machine System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K894657

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Record history
  • FDA decision record loaded May 2, 2026
  • Page last updated Nov 3, 2026