510(k) Report

510(k) · Cleared

Cleared

Modification to Plexolong Sets

K023218510(k) SpecialCleared Mar 24, 2003179-day reviewClass II21 CFR 868.5150

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

Pajunk GmbH · BSP Needle, Conduction, Anesthetic (W/Wo Introducer)

Cleared on Mar 24, 2003 as substantially equivalent to K013041 (Pajunk GmbH, 2002) after a 179-day review. Its family tree reaches back 2 generations to 1984. 25 later devices descend from it.

Decided
Mar 24, 2003
Review
179 days
Class
Class II
Product code
BSP
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to K840287 (1984). 3 ancestors in all. 25 later devices descend from it, 6 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2000: 1 other ancestor2004: 3 descendants cleared2006: 2 descendants cleared2008: 2 descendants cleared2007: 2 descendants cleared2020: 3 descendants cleared2012: 3 descendants cleared2018: 2 descendants cleared2009: 1 descendant cleared2010: 1 descendant cleared2023: 1 descendant cleared2014: 1 descendant cleared2016: 1 descendant cleared2015: 1 descendant cleared2022: 1 descendant cleared2024: 1 descendant clearedReference device: K813186 · Perfix Set for Epidural Anesthesia W/Tuo · Burron Medical Products, Inc. · 1981Reference device: K000722 · Unipolar Needles · Pajunk GmbH · 2000K840287 · Brachial Plexus Anesthesia Tray · Burron Medical Products, Inc. · 1984K013041 · Plexolong Sets · Pajunk GmbH · 200219801990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 1 other ancestor 1 generation forward: 6 descendants2 generations forward: 6 descendants3 generations forward: 1 descendant4 generations forward: 2 descendants5 generations forward: 5 descendants6 generations forward: 4 descendants7 generations forward: 1 descendant K013041 · Plexolong Sets · Pajunk GmbH · 2002K840287 · Brachial Plexus Anesthesia Tray · Burron Medical Products, Inc. · 19840+5
  1. Root · 2 generations backK840287 Brachial Plexus Anesthesia TrayBurron Medical Products, Inc. · 1984
  2. 1 generation backK013041 Plexolong SetsPajunk GmbH · 2002
  3. This deviceK023218 Modification to Plexolong SetsPajunk GmbH · 2003
  4. Descendant · cites it directly · 23 of its ownK033018 Stimulong Plus Catheter Set Model, VariousPajunk GmbH · 2004
  5. Descendant · 2 generations on · 13 of its ownK063282 Contiplex Stim Continuous Nerve Block SetB.Braun Medical, Inc. · 2007
  6. Descendant · 3 generations on · 12 of its ownK090995 B. Braun Contiplex Continuous Nerve Block SetB.Braun Medical, Inc. · 2009
  7. Descendant · 4 generations on · 7 of its ownK100241 Contiplex D Continuous Nerve Block Set, Model 331687, 331686…B.Braun Medical, Inc. · 2010
  8. Descendant · cites it directly · 5 of its ownK042979 Modification to: Plexalong SetsPajunk GmbH · 2004

Showing 5 of 25 descendants. See all descendants

Descendants cleared per year

2004: 32006: 22007: 22008: 22009: 12010: 12012: 32014: 12015: 12016: 12018: 22020: 32022: 12023: 12024: 1
2004high 3 (2004) · low 0 (2005)2026

Most influential descendants

Showing 5 of 25 · See all
  • K033018Stimulong Plus Catheter Set Model, VariousPajunk GmbH · 2004 · cites it directly23descendants
  • K063282Contiplex Stim Continuous Nerve Block SetB.Braun Medical, Inc. · 2007 · 2 generations on13descendants
  • K090995B. Braun Contiplex Continuous Nerve Block SetB.Braun Medical, Inc. · 2009 · 3 generations on12descendants
  • K100241Contiplex D Continuous Nerve Block Set, Model 331687, 331686, 331685, 331680B.Braun Medical, Inc. · 2010 · 4 generations on7descendants
  • K042979Modification to: Plexalong SetsPajunk GmbH · 2004 · cites it directly5descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K840287Brachial Plexus Anesthesia TrayBurron Medical Products, Inc.1984—
−1K013041Plexolong SetsPajunk GmbH2002—
0 (this device)K023218Modification to Plexolong SetsPajunk GmbH2003—
+1K033018Stimulong Plus Catheter Set Model, VariousPajunk GmbH2004—
+2K063282Contiplex Stim Continuous Nerve Block SetB.Braun Medical, Inc.2007—
+3K090995B. Braun Contiplex Continuous Nerve Block SetB.Braun Medical, Inc.2009—
+4K100241Contiplex D Continuous Nerve Block Set, Model 331687, 331686, 331685, 331680B.Braun Medical, Inc.2010—
+1K042979Modification to: Plexalong SetsPajunk GmbH2004—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200010

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200430
200620
200720
200820
200910
201010
201230
201410
201510
201610
201820
202030
202210
202310
202410
FIG. 1 — Lineage of K023218, 1984–2024Source: 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 BSP? 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 BSP device

  1. #1 K241954 SonoBlock; SonoBlock IIscore 11.0 · 1 generation · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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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
*K013041Plexolong Sets
Summary page 1
…n coated stylet), catheter adapter.and filter. The set, including the packaging is identical to the Plexolong Sets cleared for market under 510(k) number K013041, except for the Touhy needles with nerve stimulus connector. The Touhy needle is identical to the Unipolar needle, includ…
Pajunk GmbH2002—
†K813186Perfix Set for Epidural Anesthesia W/TuoBurron Medical Products, Inc.1981—
†K000722Unipolar NeedlesPajunk GmbH2000—

Also cleared against K013041: 9 other devices →

What descends from it? (25)

See all 25

6 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K033018Stimulong Plus Catheter Set Model, VariousPajunk GmbH200423
K042979Modification to: Plexalong SetsPajunk GmbH20045
K043130Modification to Pajunk Stimulong Plus Catheter SetsPajunk GmbH20044
K053283Uniplex Nanoline Cannula, Plexolong Nanoline Set, Stimulong Nanoline SetPajunk GmbH20062
K060563Epispin, Epispin II Safety, Epispin II, Epispin I, Epispin IVPajunk GmbH20061
K082164Pajunk's Generic Convenience Tray for Regional Anesthesia of the Peripheral Plexus…PAJUNK GmbH Medizintechnologie20080

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 19 years and passes through 2 companies; a new generation was cleared every 18.3 years on median.
  • None of the 3 ancestors has a recall.
  • Of its descendants, K033018 (Pajunk GmbH, 2004) has gone furthest, with 23 descendants of its own.
  • 9 other devices also cite its predicate K013041.

How does its category compare?

All BSP devices

BSP Needle, Conduction, Anesthetic (W/Wo Introducer): FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · BSP

4in 2025

2007: 32008: 82009: 52010: 32011: 32012: 32013: 22014: 22015: 22016: 62017: 42018: 82019: 22020: 32021: 32022: 22024: 32025: 4
2007high 8 (2008) · low 0 (2023)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · BSP

170in 2025

2007: 189 days median2008: 127 days median2009: 97 days median2010: 79 days median2011: 114 days median2012: 148 days median2016: 268 days median2017: 186 days median2018: 241 days median2020: 269 days median2021: 265 days median2024: 70 days median2025: 170 days median
2007high 269 (2020) · low 70 (2024)2026

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

Recalls per year · BSP

1in 2020

2016: 12019: 12020: 12026 (partial year): 1, 1 Class I
2007high 1 (2016) · low 0 (2007)2026

Class I (1 since 2007) Class II/III not classified

Adverse event reports per year · BSP

86in 2025

2007: 262008: 242009: 302010: 492011: 332012: 202013: 322014: 412015: 382016: 1522017: 342018: 692019: 862020: 782021: 522022: 842023: 752024: 662025: 86
2007high 152 (2016) · low 20 (2012)2025

MAUDE reports naming product code BSP, 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
20073189026
20088127024
2009597030
2010379049
20113114033
20123148020
20132—032
20142—041
20152—038
201662681152
20174186034
20188241069
20192—186
20203269178
20213265052
20222—084
20230—075
2024370066
20254170086
20260—1 (1)—

What is it indicated for?

The Pajunk Plesolong sets are ntended for delivery of continuous conduction anesthesia of peripheral nerves and plexus for up to 72 hours. Continuous delivery for up to 72 hours is accomplished using the Polyamide indwelling catheter. An electrical stimulus may be applied to the conduction needle via a cable and connectors to assist the physician pinpoint the area of application.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K023218: Modification to Plexolong Sets.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K023218

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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