510(k) · Cleared
ClearedBrachytherapy Strand Device
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Bebig Isotopen-Und Medizintechnik GmbH · KXK Source, Brachytherapy, Radionuclide
Cleared on Apr 8, 2004 as substantially equivalent to K982226 (Uromed Corp., 1999) and 4 other predicates after a 57-day review. Its family tree reaches back 3 generations to 1980. 14 later devices descend from it.
- Decided
- Apr 8, 2004
- Review
- 57 days
- Class
- Class II
- Product code
- KXK
- Recalls
- None
- Predicates
- 5
Its longest line of descent runs back 3 generations to K801748 (1980). 14 ancestors in all. 14 later devices descend from it, 5 citing it directly.
- Root · 3 generations backK801748 3M I-125 Seeds in Absorbable Carrier3M Company · 1980
- 2 generations backK982226 Uromed Brachytheraphy Iodine-125 SourcesUromed Corp. · 1999
- 1 generation backK021343 Isoseeds I-125Bebig Isotopen-Und Medizintechnik GmbH · 2002
- This deviceK040339 Brachytherapy Strand DeviceBebig Isotopen-Und Medizintechnik GmbH · 2004
- Descendant · cites it directly · 9 of its ownK043596 Theraload Custom Loaded Needles, Models 200 and 125.S06Theragenics Corp. · 2005
- Descendant · cites it directly · 7 of its ownK062384 Cesium-131 Strand, Strand Preload, Preload, S-CartridgeIsoray, Inc. · 2006
- Descendant · 2 generations on · 4 of its ownK092136 Proxcelan CS-131 Preloaded Braided Strands, Model: PL-5Isoray Medical, Inc. · 2009
- Descendant · 3 generations on · 3 of its ownK180515 GammaTileIsoray Medical, Inc. · 2018
- Descendant · 4 generations on · 2 of its ownK190296 GammaTileGt Medical Technologies · 2019
Showing 5 of 14 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 14 · See all- K043596Theraload Custom Loaded Needles, Models 200 and 125.S06Theragenics Corp. · 2005 · cites it directly9descendants
- K062384Cesium-131 Strand, Strand Preload, Preload, S-CartridgeIsoray, Inc. · 2006 · cites it directly7descendants
- K092136Proxcelan CS-131 Preloaded Braided Strands, Model: PL-5Isoray Medical, Inc. · 2009 · 2 generations on4descendants
- K180515GammaTileIsoray Medical, Inc. · 2018 · 3 generations on3descendants
- K190296GammaTileGt Medical Technologies · 2019 · 4 generations on2descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −3 | K801748 | 3M I-125 Seeds in Absorbable Carrier | 3M Company | 1980 | — |
| −2 | K982226 | Uromed Brachytheraphy Iodine-125 Sources | Uromed Corp. | 1999 | — |
| −1 | K021343 | Isoseeds I-125 | Bebig Isotopen-Und Medizintechnik GmbH | 2002 | — |
| 0 (this device) | K040339 | Brachytherapy Strand Device | Bebig Isotopen-Und Medizintechnik GmbH | 2004 | — |
| +1 | K043596 | Theraload Custom Loaded Needles, Models 200 and 125.S06 | Theragenics Corp. | 2005 | — |
| +1 | K062384 | Cesium-131 Strand, Strand Preload, Preload, S-Cartridge | Isoray, Inc. | 2006 | — |
| +2 | K092136 | Proxcelan CS-131 Preloaded Braided Strands, Model: PL-5 | Isoray Medical, Inc. | 2009 | — |
| +3 | K180515 | GammaTile | Isoray Medical, Inc. | 2018 | — |
| +4 | K190296 | GammaTile | Gt Medical Technologies | 2019 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1987 | 1 | 0 |
| 1991 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1997 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2005 | 1 | 0 |
| 2006 | 2 | 0 |
| 2007 | 1 | 0 |
| 2009 | 3 | 0 |
| 2012 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 2 | 0 |
| 2022 | 1 | 0 |
| 2025 | 1 | 0 |
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 KXK? 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 KXK device
- #1 K242818 IsoSpherescore 10.9 · 5 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (5)
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K982226 | Uromed Brachytheraphy Iodine-125 SourcesSummary page 1…Devices used for Substantial Equivalence Device Premarket # 1-125 Rapid Strand Model 7000 K982226 BEBIG brachytherapy 1-125 source K021343 Theraseed® Palladium-103 Implant Model 200 K… | 1999 |
| * | K021343 | Isoseeds I-125Summary page 1…Premarket # 1-125 Rapid Strand Model 7000 K982226 BEBIG brachytherapy 1-125 source K021343 Theraseed® Palladium-103 Implant Model 200 K010283 Vicry Rapide Suture K… | 2002 |
| * | K010283 | Theraseed (R) Palladium-103 Implant; Model 200Summary page 1…Model 7000 K982226 BEBIG brachytherapy 1-125 source K021343 Theraseed® Palladium-103 Implant Model 200 K010283 Vicry Rapide Suture K944110 Intended Use The BEBIG 1-125 sources are int… | 2001 |
| * | K944110 | Vicryl Rapide SutureSummary page 1…y 1-125 source K021343 Theraseed® Palladium-103 Implant Model 200 K010283 Vicry Rapide Suture K944110 Intended Use The BEBIG 1-125 sources are intended for use in the treatment of tumors, with radioactive s… | 1995 |
| * | K030594 | I-125 Rapid Strand, Model 7000Summary page 2…ithin the body. Characteristics Brachytherapy Strand RAPID Strand Device Premarket Subject of this 510(k) K030594 Notification Sealed source BEBIG brachytherapy OncoSeed cleared by 1-125 s… | 2003 |
| † | K914281 | I-125 Seeds, Code: 6711 | 1991 |
| † | K013964 | Modification to Accu-Space Plain Gut Absorbable Seeding Spacers | 2002 |
| † | K022269 | Coated Vicryl* (Polyglactin 910) Suture | 2002 |
What descends from it? (14)
See all 145 later devices cite it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K043596 | Theraload Custom Loaded Needles, Models 200 and 125.S06 | 2005 | 9 |
| K062384 | Cesium-131 Strand, Strand Preload, Preload, S-Cartridge | 2006 | 7 |
| K113210 | Advantage-Strand/Advantage-Load Brachytherapy Kit | 2012 | 1 |
| K091117 | Advantage-Strand/ Advantage-Load Brachytherapy Kit, Model Iaslbka | 2009 | 0 |
| K072296 | Poiint of Care Stranding System, Mode 1004-00 | 2007 | 0 |
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 24 years and passes through 3 companies; a new generation was cleared every 3.0 years on median.
- 2 of the 14 ancestors have a recall of any class.
- Of its descendants, K043596 (Theragenics Corp., 2005) has gone furthest, with 9 descendants of its own.
- 2 other devices also cite its predicate K982226.
How does its category compare?
All KXK devicesKXK Source, Brachytherapy, Radionuclide: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · KXK
2in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · KXK
158in 2020
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · KXK
1in 2016
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · KXK
7in 2025
MAUDE reports naming product code KXK, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 5 | 42 | 0 | 9 |
| 2008 | 1 | — | 1 | 15 |
| 2009 | 7 | 63 | 0 | 10 |
| 2010 | 1 | — | 0 | 0 |
| 2011 | 5 | 94 | 1 | 35 |
| 2012 | 3 | 109 | 1 | 4 |
| 2013 | 3 | 127 | 0 | 29 |
| 2014 | 8 | 96 | 0 | 13 |
| 2015 | 2 | — | 0 | 6 |
| 2016 | 4 | 49 | 1 | 40 |
| 2017 | 2 | — | 0 | 41 |
| 2018 | 1 | — | 0 | 28 |
| 2019 | 2 | — | 0 | 10 |
| 2020 | 3 | 158 | 0 | 15 |
| 2021 | 0 | — | 0 | 62 |
| 2022 | 1 | — | 0 | 26 |
| 2023 | 1 | — | 0 | 9 |
| 2024 | 0 | — | 0 | 15 |
| 2025 | 2 | — | 0 | 7 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The Brachytherapy Strand Device is indicated for tumors with any of the following
characteristics:
o Localized
o Unresectable
o Low to Moderate Radiosensitivity
The tumors may be of the following type:
o Superficial
o Intrathoracic
o Intra-abdominal
o Lung, Pancreas, Prostate, Head and Neck
o Residual following external beam radiation or excision of primary tumor
o Recurrent
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K040339 · printed Nov 6, 2026
Cite this page
510(k) Report. “K040339: Brachytherapy Strand Device.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K040339
Report an extraction error
Are you the manufacturer?
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