510(k) · Cleared
ClearedKelowna GYN and Crook Prostate Templates
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Varian Medical Systems, Inc. · JAQ System, Applicator, Radionuclide, Remote-Controlled
Cleared on Aug 31, 2017 as substantially equivalent to K983436 (Gammamed USA, 1998) after a 356-day review. Its family tree reaches back 2 generations to 1991. 1 later device descends from it.
- Decided
- Aug 31, 2017
- Review
- 356 days
- Class
- Class II
- Product code
- JAQ
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 2 generations to K912555 (1991). 1 later device descends from it, 1 citing it directly.
- Root · 2 generations backK912555 Gammamed 12IT High Dose Rate Remote AfterloaderRts Technology, Inc. · 1991 · Recalled
- 1 generation backK983436 Gammamed Plus High Dose Rate Remote Afterloading SystemGammamed USA · 1998 · Recalled
- This deviceK162533 Kelowna GYN and Crook Prostate TemplatesVarian Medical Systems, Inc. · 2017
- Descendant · cites it directly · 0 of its ownK232949 Kelowna GYN and Crook Prostate TemplatesVarian Medical Systems, Inc. · 2024
Most influential descendants
Showing 1 of 1 · See all- K232949Kelowna GYN and Crook Prostate TemplatesVarian Medical Systems, Inc. · 2024 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −2 | K912555 | Gammamed 12IT High Dose Rate Remote Afterloader | Rts Technology, Inc. | 1991 | 2 |
| −1 | K983436 | Gammamed Plus High Dose Rate Remote Afterloading System | Gammamed USA | 1998 | 17 |
| 0 (this device) | K162533 | Kelowna GYN and Crook Prostate Templates | Varian Medical Systems, Inc. | 2017 | — |
| +1 | K232949 | Kelowna GYN and Crook Prostate Templates | Varian Medical Systems, Inc. | 2024 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2024 | 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 |
|---|---|---|---|
| * | K983436 | Gammamed Plus High Dose Rate Remote Afterloading SystemSummary page 5…Name of Predicate: GammaMed Plus High Dose Rate Remote Afterloading System 510k Number: K983436 IV. DEVICE DESCRIPTION The Kelowna GYN and Crook Prostate Templates are applicator accessories for Brachytherapy. Brachy… | 1998 |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K232949 | Kelowna GYN and Crook Prostate Templates | 2024 | 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 26 years and passes through 3 companies; a new generation was cleared every 18.8 years on median.
- 2 of the 2 ancestors have a recall of any class.
- Of its descendants, K232949 (Varian Medical Systems, Inc., 2024) has gone furthest, with 0 descendants of its own.
- 12 other devices also cite its predicate K983436.
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. 2017, 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 Kelowna GYN Templates are intended for interstitial brachytherapy treatments for gynecological and rectal/anal cancer using HDR or PDR brachytherapy. The Crook Prostate Templates are intended for interstitial brachytherapy treatments for prostate cancer using HDR or PDR brachytherapy.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K162533 · printed Nov 6, 2026
Cite this page
510(k) Report. “K162533: Kelowna GYN and Crook Prostate Templates.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K162533
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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