510(k) Report

510(k) · Cleared

Cleared

Micro-Mat System

K854121510(k) TraditionalCleared Oct 31, 198522-day reviewClass I21 CFR 864.5850

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

Prevo Micro-Mat System · GKJ Spinner, Slide, Automated

Cleared on Oct 31, 1985 after a 22-day review. FDA has not posted a summary or statement for it, so its predicates are not known.

Decided
Oct 31, 1985
Review
22 days
Class
Class I
Product code
GKJ
Recalls
None
Predicates
0

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

FIG. 1 — Lineage of K854121Source: FDA 510(k) database · How lineage is built

Get the monthly Device Review Tracker

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.

Planning a device in GKJ? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin the report
Get a 510(k) Report

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 GKJ devices

GKJ Spinner, Slide, Automated: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · GKJ

FDA has decided no GKJ device since 2007.

Median 510(k) review, days · GKJ

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

Recalls per year · GKJ

No recall names GKJ since 2007.

Adverse event reports per year · GKJ

1in 2019

2008: 12009: 22010: 32011: 232012: 662013: 52015: 12016: 12018: 12019: 1
2007high 66 (2012) · low 0 (2007)2025

MAUDE reports naming product code GKJ, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—01
20090—02
20100—03
20110—023
20120—066
20130—05
20140—00
20150—01
20160—01
20170—00
20180—01
20190—01
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—
Cite this page

510(k) Report. “K854121: Micro-Mat System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K854121

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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