510(k) Report

510(k) · Cleared

Recalled · 2007

Smith & Nephew RF Denervation Probes & RF Cannulae

K034012510(k) TraditionalCleared Mar 16, 200483-day reviewClass II21 CFR 882.4725Recalls 3

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

Smith & Nephew, Inc. · GXI Probe, Radiofrequency Lesion

Cleared on Mar 16, 2004 as substantially equivalent to K870028 (Radionics, Inc., 1987) and 1 other predicate after an 83-day review. Its family tree reaches back 3 generations to 1987. 15 later devices descend from it. It has been recalled 3 times.

Decided
Mar 16, 2004
Review
83 days
Class
Class II
Product code
GXI
Recalls
3
Predicates
2

Its longest line of descent runs back 3 generations to K870028 (1987). 15 later devices descend from it, 4 citing it directly.

Descendants, by year cleared 2006: 3 descendants cleared2007: 1 descendant cleared2013: 1 descendant cleared2014: 1 descendant cleared2011: 1 descendant cleared2008: 2 descendants cleared2009: 1 descendant cleared2026: 1 descendant cleared2015: 1 descendant cleared2020: 1 descendant cleared2017: 1 descendant cleared2019: 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. · 19981990200020102020
Descendants, by generation 1 generation forward: 4 descendants2 generations forward: 6 descendants3 generations forward: 5 descendants K980430 · Radionics Disposable RF Cannulae (SC-C, RFK-DB, RFK-DS) · Radionics, Inc. · 1998K963577 · Radionics Sluijter-Mehta Cannula · Radionics, Inc. · 1996K870028 · SMK Sluyter-Mehta Cannulae, RF Pole, Pole,Flexible · Radionics, Inc. · 19870
  1. Root · 3 generations backK870028 SMK Sluyter-Mehta Cannulae, RF Pole, Pole,FlexibleRadionics, Inc. · 1987
  2. 2 generations backK963577 Radionics Sluijter-Mehta CannulaRadionics, Inc. · 1996
  3. 1 generation backK980430 Radionics Disposable RF Cannulae (SC-C, RFK-DB, RFK-DS)Radionics, Inc. · 1998
  4. This deviceK034012 Smith & Nephew RF Denervation Probes & RF CannulaeSmith & Nephew, Inc. · 2004
  5. Descendant · cites it directly · 10 of its ownK053415 Lesionpoint RF CannulaCosman Medical, Inc. · 2006
  6. Descendant · cites it directly · 9 of its ownK060799 Cosman CSK RF Cannula; Cosman RFK RF CannulaCosman Medical, Inc. · 2006
  7. Descendant · 2 generations on · 4 of its ownK080771 Top Neuropole Needle, Model SH, BL, SC, TCTop Corp. · 2008
  8. Descendant · 2 generations on · 3 of its ownK102566 Owl CannulaeDiros Technology, Inc. · 2011
  9. Descendant · 2 generations on · 3 of its ownK082012 Cosman RF Injection Electrodes, Models CU, Cur, CCD, TCD, CP, CR, CNCosman Medical, Inc. · 2008

Showing 5 of 15 descendants. See all descendants

Descendants cleared per year

2006: 32007: 12008: 22009: 12011: 12013: 12014: 12015: 12017: 12019: 12020: 12026: 1
2006high 3 (2006) · low 0 (2010)2026

Most influential descendants

Showing 5 of 15 · See all
  • K053415Lesionpoint RF CannulaCosman Medical, Inc. · 2006 · cites it directly10descendants
  • K060799Cosman CSK RF Cannula; Cosman RFK RF CannulaCosman Medical, Inc. · 2006 · cites it directly9descendants
  • K080771Top Neuropole Needle, Model SH, BL, SC, TCTop Corp. · 2008 · 2 generations on4descendants
  • K102566Owl CannulaeDiros Technology, Inc. · 2011 · 2 generations on3descendants
  • K082012Cosman RF Injection Electrodes, Models CU, Cur, CCD, TCD, CP, CR, CNCosman Medical, Inc. · 2008 · 2 generations on3descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K870028SMK Sluyter-Mehta Cannulae, RF Pole, Pole,FlexibleRadionics, Inc.1987—
−2K963577Radionics Sluijter-Mehta CannulaRadionics, Inc.1996—
−1K980430Radionics Disposable RF Cannulae (SC-C, RFK-DB, RFK-DS)Radionics, Inc.1998—
0 (this device)K034012Smith & Nephew RF Denervation Probes & RF CannulaeSmith & Nephew, Inc.2004—
+1K053415Lesionpoint RF CannulaCosman Medical, Inc.2006—
+1K060799Cosman CSK RF Cannula; Cosman RFK RF CannulaCosman Medical, Inc.2006—
+2K080771Top Neuropole Needle, Model SH, BL, SC, TCTop Corp.2008—
+2K102566Owl CannulaeDiros Technology, Inc.2011—
+2K082012Cosman RF Injection Electrodes, Models CU, Cur, CCD, TCD, CP, CR, CNCosman Medical, Inc.2008—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200630
200710
200820
200910
201110
201310
201410
201510
201710
201910
202010
202610
FIG. 1 — Lineage of K034012, 1987–2026Source: 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? (2)

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
*K870028SMK Sluyter-Mehta Cannulae, RF Pole, Pole,Flexible
Summary page 1
…and fundamental scientific technology to the following legally marketed devices in commercial distribution: Radionics; Racz-Finch Electrode and RFK Needles (K870028 and K980430). S & N - RF…
Radionics, Inc.1987—
*K980430Radionics Disposable RF Cannulae (SC-C, RFK-DB, RFK-DS)
Summary page 1
…undamental scientific technology to the following legally marketed devices in commercial distribution: Radionics; Racz-Finch Electrode and RFK Needles (K870028 and K980430). S & N - RF Denervation…
Radionics, Inc.1998—

Also cleared against K870028: 7 other devices →

What descends from it? (15)

See all 15

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

NumberDeviceApplicantDecidedDescendants
K053415Lesionpoint RF CannulaCosman Medical, Inc.200610
K060799Cosman CSK RF Cannula; Cosman RFK RF CannulaCosman Medical, Inc.20069
K063467Smith & Nephew RF CannulaeSmith & Nephew, Inc.20062
K071300Modification to Smith & Nephew RF Denervation Probes & RF CannulaeSmith & Nephew, Inc.20070

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Jan 19, 2007Not classifiedZ-0662-2007OtherProduct is non-sterile but labeled incorrectly as sterile.
Jan 19, 2007Not classifiedZ-0663-2007OtherProduct is non-sterile but labeled incorrectly as sterile.
Jan 19, 2007Not classifiedZ-0664-2007OtherProduct is non-sterile but labeled incorrectly as sterile.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 17 years and passes through 2 companies; a new generation was cleared every 6.0 years on median.
  • None of the 3 ancestors has a recall.
  • Of its descendants, K053415 (Cosman Medical, Inc., 2006) has gone furthest, with 10 descendants of its own.
  • 7 other devices also cite its predicate K870028.

How does its category compare?

All GXI devices

GXI Probe, Radiofrequency Lesion: FDA decisions, review times, recalls and adverse event reports over 20 years.

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 Smith & Nephew RF Denervation Probes and Cannulae are indicated for use in RF heat lesion procedures for the relief of pain.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K034012: Smith & Nephew RF Denervation Probes & RF Cannulae.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K034012

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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