510(k) · Cleared
ClearedRectal Applicator
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Nucletron B.V. · JAQ System, Applicator, Radionuclide, Remote-Controlled
Cleared on Dec 19, 2025 as substantially equivalent to K041715 (Nucletron Corp., 2005) after a 260-day review. Its family tree reaches back 3 generations to 1986.
- Decided
- Dec 19, 2025
- Review
- 260 days
- Class
- Class II
- Product code
- JAQ
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 3 generations to K864210 (1986). 4 ancestors in all. No later device cites it as a predicate yet.
- Root · 3 generations backK864210 Microselectron-HDR (High Dose Rate)Nucletron-Oldelft Corp. · 1986
- 2 generations backK953946 Microselectron-HDR Version 2Nucletron-Oldelft Corp. · 1996
- 1 generation backK041715 Intracavitary Mould Applicator Set, Model 189.001Nucletron Corp. · 2005
- This deviceK251037 Rectal ApplicatorNucletron B.V. · 2025
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −3 | K864210 | Microselectron-HDR (High Dose Rate) | Nucletron-Oldelft Corp. | 1986 | — |
| −2 | K953946 | Microselectron-HDR Version 2 | Nucletron-Oldelft Corp. | 1996 | — |
| −1 | K041715 | Intracavitary Mould Applicator Set, Model 189.001 | Nucletron Corp. | 2005 | — |
| 0 (this device) | K251037 | Rectal Applicator | Nucletron B.V. | 2025 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1993 | 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 JAQ? 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 JAQ device
- #1 K241853 Titanium Fletcher-Style Applicator Set Defined…score 14.9 · 3 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K041715 | Intracavitary Mould Applicator Set, Model 189.001Summary page 5…Applicator, Radionuclide, Remote-Controlled Product Code: JAQ III. PREDICATE DEVICE Predicate Device #: K041715 Predicate Trade Name: INTRACAVITARY MOULD APPLICATOR SET IV. DEVICE DESCRIPTION In brach… | 2005 |
What descends from it?
No later submission names this one as a predicate yet.
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 39 years and passes through 3 companies; a new generation was cleared every 9.7 years on median.
- None of the 4 ancestors has a recall.
How does its category compare?
All JAQ devicesJAQ System, Applicator, Radionuclide, Remote-Controlled: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.
FDA decisions per year · JAQ
6in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · JAQ
91in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · JAQ
1in 2019
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · JAQ
3in 2025
MAUDE reports naming product code JAQ, 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 | 11 | 48 | 0 | 13 |
| 2008 | 10 | 34 | 5 | 32 |
| 2009 | 10 | 27 | 1 | 35 |
| 2010 | 2 | — | 2 | 36 |
| 2011 | 2 | — | 13 | 42 |
| 2012 | 7 | 89 | 5 | 34 |
| 2013 | 6 | 100 | 1 | 43 |
| 2014 | 7 | 116 | 0 | 18 |
| 2015 | 11 | 183 | 0 | 7 |
| 2016 | 6 | 154 | 0 | 3 |
| 2017 | 7 | 229 | 0 | 5 |
| 2018 | 7 | 252 | 0 | 2 |
| 2019 | 2 | — | 1 | 8 |
| 2020 | 4 | 62 | 0 | 8 |
| 2021 | 0 | — | 0 | 5 |
| 2022 | 1 | — | 0 | 5 |
| 2023 | 2 | — | 0 | 3 |
| 2024 | 10 | 126 | 0 | 1 |
| 2025 | 6 | 91 | 0 | 3 |
| 2026 | 2 | — | 3 | — |
What is it indicated for?
The Rectal Applicator is intended for brachytherapy for treatment of rectal and anal cancer in combination with Elekta HDR and PDR remote controlled afterloaders.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K251037 · printed Nov 5, 2026
Cite this page
510(k) Report. “K251037: Rectal Applicator.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K251037
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