510(k) Report

510(k) · Cleared

Cleared

Fibrin Analysis System Endoluminal Brush

K050889510(k) TraditionalCleared Aug 26, 2005142-day reviewClass II21 CFR 880.5970

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

Crs Medical Diagnostics, Inc. · LJS Catheter, Intravascular, Therapeutic, Long-Term Greater Than 30 Days

Cleared on Aug 26, 2005 as substantially equivalent to K993614 (Fas Medical, Ltd., 2000) after a 142-day review. Its family tree reaches back 3 generations to 1982. 1 later device descends from it.

Decided
Aug 26, 2005
Review
142 days
Class
Class II
Product code
LJS
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K820771 (1982). 6 ancestors in all. 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1997: 1 other ancestor1993: 1 other ancestor1984: 1 other ancestor2007: 1 descendant clearedK820771 · Microbiology Specimen Brush · Mill-Rose Laboratory · 1982K960880 · Mill-Rose Blind Microbiology Brush · Mill-Rose Laboratory · 1996K993614 · Fas Endoluminal Brush · Fas Medical, Ltd. · 200019801990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 1 other ancestor3 generations back: 2 other ancestors 1 generation forward: 1 descendant K993614 · Fas Endoluminal Brush · Fas Medical, Ltd. · 2000K960880 · Mill-Rose Blind Microbiology Brush · Mill-Rose Laboratory · 1996K820771 · Microbiology Specimen Brush · Mill-Rose Laboratory · 19820
  1. Root · 3 generations backK820771 Microbiology Specimen BrushMill-Rose Laboratory · 1982
  2. 2 generations backK960880 Mill-Rose Blind Microbiology BrushMill-Rose Laboratory · 1996
  3. 1 generation backK993614 Fas Endoluminal BrushFas Medical, Ltd. · 2000
  4. This deviceK050889 Fibrin Analysis System Endoluminal BrushCrs Medical Diagnostics, Inc. · 2005
  5. Descendant · cites it directly · 0 of its ownK072518 CRS Fibrin Analysis Catheter Testing System (Facts)Crs Medical Diagnostics, Inc. · 2007

Most influential descendants

Showing 1 of 1 · See all
  • K072518CRS Fibrin Analysis Catheter Testing System (Facts)Crs Medical Diagnostics, Inc. · 2007 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K820771Microbiology Specimen BrushMill-Rose Laboratory1982—
−2K960880Mill-Rose Blind Microbiology BrushMill-Rose Laboratory1996—
−1K993614Fas Endoluminal BrushFas Medical, Ltd.2000—
0 (this device)K050889Fibrin Analysis System Endoluminal BrushCrs Medical Diagnostics, Inc.2005—
+1K072518CRS Fibrin Analysis Catheter Testing System (Facts)Crs Medical Diagnostics, Inc.2007—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198410
199310
199710

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200710
FIG. 1 — Lineage of K050889, 1982–2007Source: FDA 510(k) summaries, read by 510(k) Report · 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), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

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

Top candidate predicates for a new LJS device

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What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K993614Fas Endoluminal Brush
Summary page 1
…product code UJS Common/Usual Name: Endoluminal Brush 2. Equivalent legally marketed devices The CRS Endolumninal Brush is IDENTICAL to the FAS Endoluminal Brush, K993614 3. Indications for Use (intended use) The CRS Endoluminal Brush is intended to collect a biofilm or fibrin sample, which is s…
Fas Medical, Ltd.2000—

Also cleared against K993614: 1 other device →

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K072518CRS Fibrin Analysis Catheter Testing System (Facts)Crs Medical Diagnostics, Inc.20070

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.

What does this lineage say?

  • The line of descent spans 23 years and passes through 3 companies; a new generation was cleared every 5.6 years on median.
  • None of the 6 ancestors has a recall.
  • Of its descendants, K072518 (Crs Medical Diagnostics, Inc., 2007) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate K993614.

How does its category compare?

All LJS devices

LJS Catheter, Intravascular, Therapeutic, Long-Term Greater Than 30 Days: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · LJS

8in 2025

2007: 142008: 42009: 162010: 92011: 62012: 142013: 142014: 82015: 72016: 92017: 72018: 102020: 22021: 32022: 32023: 42024: 12025: 82026 (partial year): 2
2007high 16 (2009) · low 0 (2019)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LJS

171in 2025

2007: 92 days median2008: 97 days median2009: 70 days median2010: 114 days median2011: 55 days median2012: 77 days median2013: 31 days median2014: 47 days median2015: 71 days median2016: 128 days median2017: 101 days median2018: 148 days median2021: 284 days median2022: 177 days median2023: 47 days median2025: 171 days median
2007high 284 (2021) · low 31 (2013)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · LJS

5in 2023

2008: 12009: 12010: 122011: 42012: 402014: 152015: 22016: 182017: 92018: 32021: 12023: 5, 2 Class I2026 (partial year): 8, 1 Class I
2007high 40 (2012) · low 0 (2007)2026

Class I (3 since 2007) Class II/III not classified

Adverse event reports per year · LJS

4,372in 2025

2007: 3922008: 3692009: 3792010: 4952011: 6962012: 5642013: 6802014: 8422015: 1,3062016: 1,1232017: 2,1002018: 2,3242019: 2,0522020: 2,5392021: 3,0842022: 3,2562023: 2,7992024: 4,2432025: 4,372
2007high 4,372 (2025) · low 369 (2008)2025

MAUDE reports naming product code LJS, 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
200714920392
20084971369
200916701379
2010911412495
20116554696
2012147740564
201314310680
201484715842
201577121,306
20169128181,123
2017710192,100
20181014832,324
20190—02,052
20202—02,539
2021328413,084
2022317703,256
20234475 (2)2,799
20241—04,243
2025817104,372
20262—8 (1)—

What is it indicated for?

The CRS Endoluminal Brush is intended to collect a biofilm or fibrin sample, which is suitable for microbiological analysis, from the inner lumen surface of an in-dwelling central venous catheter

The CRS Endoluminal Brush is intended to collect a biofilm or fibrin sample, which is suitable for microbiological analysis, from the inner lumen surface of an in-dwelling central venous catheter

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K050889: Fibrin Analysis System Endoluminal Brush.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K050889

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026