510(k) Report

510(k) · Cleared

Cleared

ACU007S

K092522510(k) TraditionalCleared Nov 20, 200994-day reviewClass II21 CFR 892.5730

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

Oncology Systems, Inc. · KXK Source, Brachytherapy, Radionuclide

Cleared on Nov 20, 2009 as substantially equivalent to K052947 (Source Production & Equipment Co., Inc., 2006) after a 94-day review. Its family tree reaches back 3 generations to 1986.

Decided
Nov 20, 2009
Review
94 days
Class
Class II
Product code
KXK
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K864210 (1986). 7 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 3 generations backK864210 Microselectron-HDR (High Dose Rate)Nucletron-Oldelft Corp. · 1986
  2. 2 generations backK953946 Microselectron-HDR Version 2Nucletron-Oldelft Corp. · 1996
  3. 1 generation backK052947 Source Production & Equipment CO, Inc., Model M-19 IR-192…Source Production & Equipment Co., Inc. · 2006 · Recalled
  4. This deviceK092522 ACU007SOncology Systems, Inc. · 2009
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K864210Microselectron-HDR (High Dose Rate)Nucletron-Oldelft Corp.1986—
−2K953946Microselectron-HDR Version 2Nucletron-Oldelft Corp.1996—
−1K052947Source Production & Equipment CO, Inc., Model M-19 IR-192 Brachytherapy SourceSource Production & Equipment Co., Inc.20061
0 (this device)K092522ACU007SOncology Systems, Inc.2009—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198910
199310
200010
200310
FIG. 1 — Lineage of K092522, 1986–2009Source: 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 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. #1 K242818 IsoSpherescore 10.9 · 5 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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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.

TypeNumberDeviceApplicantDecidedRecalls
*K052947Source Production & Equipment CO, Inc., Model M-19 IR-192 Brachytherapy Source
Summary page 1
…ed Predicate Devices: Source Production and Equipment Company Model M-1 9, 51 0(k) number K052947 dated 19 April 2006 (4) Description of Oncology Systems, Inc. Model ACU-007S 192 lIridiumn Brachytherapy Source:…
Source Production & Equipment Co., Inc.20061

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 23 years and passes through 3 companies; a new generation was cleared every 9.7 years on median.
  • 2 of the 7 ancestors have a recall of any class.

How does its category compare?

All KXK devices

KXK Source, Brachytherapy, Radionuclide: FDA decisions, review times, recalls and adverse event reports over 20 years. 2009, this device’s year, is highlighted.

FDA decisions per year · KXK

2in 2025

2007: 52008: 12009: 72010: 12011: 52012: 32013: 32014: 82015: 22016: 42017: 22018: 12019: 22020: 32022: 12023: 12025: 2
2007high 8 (2014) · low 0 (2021)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KXK

158in 2020

2007: 42 days median2009: 63 days median2011: 94 days median2012: 109 days median2013: 127 days median2014: 96 days median2016: 49 days median2020: 158 days median
2007high 158 (2020) · low 42 (2007)2026

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

Recalls per year · KXK

1in 2016

2008: 12011: 12012: 12016: 1
2007high 1 (2008) · low 0 (2007)2026

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

Adverse event reports per year · KXK

7in 2025

2007: 92008: 152009: 102011: 352012: 42013: 292014: 132015: 62016: 402017: 412018: 282019: 102020: 152021: 622022: 262023: 92024: 152025: 7
2007high 62 (2021) · low 0 (2010)2025

MAUDE reports naming product code KXK, 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
200754209
20081—115
2009763010
20101—00
2011594135
2012310914
20133127029
2014896013
20152—06
2016449140
20172—041
20181—028
20192—010
20203158015
20210—062
20221—026
20231—09
20240—015
20252—07
20260—0—

What is it indicated for?

Oncology Systems Model ACU-007S Source Assembly, with an individual activity up to 12Ci, is indicated for temporary interstitial, intracavitary, intraluminal or intraoperative or surface application to treat selected localized tumors. This source can be used as primary treatment for a variety of anatomical sites commonly treated with high dose rate brachytherapy, including the cervix, vagina, endometrium, rectum, esophagus, bronchus, head and neck, bile…

Read the full statement (102 words)

Oncology Systems Model ACU-007S Source Assembly, with an individual activity up to 12Ci, is indicated for temporary interstitial, intracavitary, intraluminal or intraoperative or surface application to treat selected localized tumors. This source can be used as primary treatment for a variety of anatomical sites commonly treated with high dose rate brachytherapy, including the cervix, vagina, endometrium, rectum, esophagus, bronchus, head and neck, bile duct brain, skin, prostate, lung, pancreas, and breast and for treatment of sarcomas and for intraoperative radiation therapy.

This source may be used concurrently with or following treatment with other interventions, such as external beam radiation therapy, or chemotherapy.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K092522: ACU007S.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K092522

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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