510(k) Report

510(k) · Cleared

Cleared

Ultrafree-CL

K941326510(k) TraditionalCleared May 27, 199470-day reviewClass I21 CFR 862.2310

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

Millipore Corp. · JJH Clinical Sample Concentrator

Cleared on May 27, 1994 after a 70-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

Decided
May 27, 1994
Review
70 days
Class
Class I
Product code
JJH
Recalls
None
Predicates
0

FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

FIG. 1 — Lineage of K941326Source: 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 lists a 510(k) statement for it but has not posted the file, 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 JJH devices

JJH Clinical Sample Concentrator: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · JJH

1in 2012

2012: 1
2007high 1 (2012) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · JJH

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

Recalls per year · JJH

1in 2022

2009: 12011: 12012: 22013: 12014: 12018: 22022: 12026 (partial year): 1
2007high 2 (2012) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · JJH

27in 2025

2008: 12009: 22010: 22011: 32012: 82013: 52014: 782015: 142016: 62017: 62018: 212019: 102020: 122021: 202022: 452023: 102024: 122025: 27
2007high 78 (2014) · low 0 (2007)2025

MAUDE reports naming product code JJH, 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—12
20100—02
20110—13
20121—28
20130—15
20140—178
20150—014
20160—06
20170—06
20180—221
20190—010
20200—012
20210—020
20220—145
20230—010
20240—012
20250—027
20260—1—
Cite this page

510(k) Report. “K941326: Ultrafree-CL.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K941326

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