510(k) Report

510(k) · Cleared

Cleared

Cosman RF Injection Electrodes, Models CU, Cur, CCD, TCD, CP, CR, CN

K082012510(k) TraditionalCleared Oct 14, 200891-day reviewClass II21 CFR 882.4725

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

Cosman Medical, Inc. · GXI Probe, Radiofrequency Lesion

Cleared on Oct 14, 2008 as substantially equivalent to K042375 (Technomed Europe, 2004) and 2 other predicates after a 91-day review. Its family tree reaches back 7 generations to 1987. 3 later devices descend from it.

Decided
Oct 14, 2008
Review
91 days
Class
Class II
Product code
GXI
Recalls
None
Predicates
3

Its longest line of descent runs back 7 generations to K870028 (1987). 14 ancestors in all. 3 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2005: 1 other ancestor2004: 1 other ancestor2002: 1 other ancestor2001: 1 other ancestor2000: 1 other ancestor1999: 1 other ancestor1998: 1 other ancestor2013: 1 descendant cleared2020: 1 descendant cleared2017: 1 descendant clearedK870028 · SMK Sluyter-Mehta Cannulae, RF Pole, Pole,Flexible · Radionics, Inc. · 1987K963577 · Radionics Sluijter-Mehta Cannula · Radionics, Inc. · 1996K980430 · Radionics Disposable RF Cannulae (SC-C, RFK-DB, RFK-DS) · Radionics, Inc. · 1998K021942 · Radionics Pole Needles · Radionics, A Division of Tyco Healthcare Group LP · 2002K042375 · SMK, CX, Cxe, RCN · Technomed Europe · 2004×2: 2 generations cleared close together, K053415 (2006), K060799 (2006) 1990200020102020
  1. Root · 7 generations backK870028 SMK Sluyter-Mehta Cannulae, RF Pole, Pole,FlexibleRadionics, Inc. · 1987
  2. 6 generations backK963577 Radionics Sluijter-Mehta CannulaRadionics, Inc. · 1996
  3. 5 generations backK980430 Radionics Disposable RF Cannulae (SC-C, RFK-DB, RFK-DS)Radionics, Inc. · 1998
  4. 4 generations backK021942 Radionics Pole NeedlesRadionics, A Division of Tyco Healthcare Group LP · 2002
  5. 3 generations backK042375 SMK, CX, Cxe, RCNTechnomed Europe · 2004
  6. 2 generations backK053415 Lesionpoint RF CannulaCosman Medical, Inc. · 2006
  7. 1 generation backK060799 Cosman CSK RF Cannula; Cosman RFK RF CannulaCosman Medical, Inc. · 2006
  8. This deviceK082012 Cosman RF Injection Electrodes, Models CU, Cur, CCD, TCD, CP, CR, CNCosman Medical, Inc. · 2008
  9. Descendant · cites it directly · 2 of its ownK123178 Stryker Venom Electrodes and CannulaeStryker Instruments, Instruments Div. · 2013
  10. Descendant · 2 generations on · 0 of its ownK191293 LCCS VC-S RF CannulaLccs Products Limited · 2020
  11. Descendant · 2 generations on · 0 of its ownK170242 MultiGen™ 2 RF Generator SystemStryker Corporation · 2017

Most influential descendants

Showing 3 of 3 · See all
  • K123178Stryker Venom Electrodes and CannulaeStryker Instruments, Instruments Div. · 2013 · cites it directly2descendants
  • K191293LCCS VC-S RF CannulaLccs Products Limited · 2020 · 2 generations on0descendants
  • K170242MultiGen™ 2 RF Generator SystemStryker Corporation · 2017 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K870028SMK Sluyter-Mehta Cannulae, RF Pole, Pole,FlexibleRadionics, Inc.1987—
−6K963577Radionics Sluijter-Mehta CannulaRadionics, Inc.1996—
−5K980430Radionics Disposable RF Cannulae (SC-C, RFK-DB, RFK-DS)Radionics, Inc.1998—
−4K021942Radionics Pole NeedlesRadionics, A Division of Tyco Healthcare Group LP2002—
−3K042375SMK, CX, Cxe, RCNTechnomed Europe2004—
−2K053415Lesionpoint RF CannulaCosman Medical, Inc.2006—
−1K060799Cosman CSK RF Cannula; Cosman RFK RF CannulaCosman Medical, Inc.2006—
0 (this device)K082012Cosman RF Injection Electrodes, Models CU, Cur, CCD, TCD, CP, CR, CNCosman Medical, Inc.2008—
+1K123178Stryker Venom Electrodes and CannulaeStryker Instruments, Instruments Div.2013—
+2K191293LCCS VC-S RF CannulaLccs Products Limited2020—
+2K170242MultiGen™ 2 RF Generator SystemStryker Corporation2017—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199810
199910
200010
200110
200210
200410
200510

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201310
201710
202010
FIG. 1 — Lineage of K082012, 1987–2020Source: 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 GXI? 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 GXI device

  1. #1 K253907 Disposable Radiofrequency Cannulascore 12.7 · 6 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (3)

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
*K042375SMK, CX, Cxe, RCN
Summary page 1
…Probe Class II Neurology Devices, Product Code: GXI Predicate Devices: Technomed Europe RE Injection Needles(K042375) Cosman Medical TC Electrodes (K050084) Cosmnan M…
Technomed Europe2004—
*K050084Cosman RF Lesion Generator, Model RFG-1A; Cosman Tew Trigeminal Electrode Kit; Cosman…
Summary page 1
…ct Code: GXI Predicate Devices: Technomed Europe RE Injection Needles(K042375) Cosman Medical TC Electrodes (K050084) Cosmnan Medical RE Cannula (K060799) Device Description: The Cosman RE Injection Electr…
Cosman Medical, Inc.20053
*K060799Cosman CSK RF Cannula; Cosman RFK RF Cannula
Summary page 1
…ction Needles(K042375) Cosman Medical TC Electrodes (K050084) Cosmnan Medical RE Cannula (K060799) Device Description: The Cosman RE Injection Electrodes are used in conjunction with the commercially available Cosman RE Genera…
Cosman Medical, Inc.2006—

Also cleared against K042375: 3 other devices →

What descends from it? (3)

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

NumberDeviceApplicantDecidedDescendants
K123178Stryker Venom Electrodes and CannulaeStryker Instruments, Instruments Div.20132

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 21 years and passes through 4 companies; a new generation was cleared every 2.1 years on median.
  • 2 of the 14 ancestors have a recall of any class.
  • Of its descendants, K123178 (Stryker Instruments, Instruments Div., 2013) has gone furthest, with 2 descendants of its own.
  • 3 other devices also cite its predicate K042375.

How does its category compare?

All GXI devices

GXI Probe, Radiofrequency Lesion: FDA decisions, review times, recalls and adverse event reports over 20 years. 2008, this device’s year, is highlighted.

FDA decisions per year · GXI

4in 2025

2007: 42008: 22009: 22010: 22011: 32012: 12013: 12014: 12015: 12016: 32017: 32018: 12019: 32020: 32022: 22025: 42026 (partial year): 2
2007high 4 (2007) · low 0 (2021)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GXI

183in 2025

2007: 87 days median2011: 64 days median2016: 240 days median2017: 125 days median2019: 63 days median2020: 255 days median2025: 183 days median
2007high 255 (2020) · low 63 (2019)2026

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

Recalls per year · GXI

1in 2019

2007: 32008: 12010: 12012: 12013: 12017: 12019: 12026 (partial year): 3
2007high 3 (2007) · low 0 (2009)2026

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

Adverse event reports per year · GXI

98in 2025

2007: 12008: 42009: 102010: 82011: 52012: 142013: 252014: 202015: 232016: 162017: 1502018: 1472019: 932020: 312021: 302022: 462023: 352024: 452025: 98
2007high 150 (2017) · low 1 (2007)2025

MAUDE reports naming product code GXI, 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
200748731
20082—14
20092—010
20102—18
201136405
20121—114
20131—125
20141—020
20151—023
20163240016
201731251150
20181—0147
2019363193
20203255031
20210—030
20222—046
20230—035
20240—045
20254183098
20262—3—

What is it indicated for?

The Cosman RF Injection Electrodes are used for percutaneous nerve blocks with local anesthetic solution or for radiofrequency lesioning. The nerve is localized either by electrical stimulation or by injecting contrast medium through the device and using radiography concomitantly. The nerve may then be blocked by injection of local anesthetic solution or a radiofrequency lesion is made.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K082012: Cosman RF Injection Electrodes, Models CU, Cur, CCD, TCD, CP, CR, CN.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K082012

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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