510(k) · Cleared

Cleared

Nucletron Planning System

K911612510(k) TraditionalCleared Jun 13, 199163-day reviewClass II21 CFR 892.5050

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

Nucletron-Oldelft Corp. · IYE Accelerator, Linear, Medical

Cleared on Jun 13, 1991 after a 63-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 93 later devices descend from it.

Decided: Jun 13, 1991
Review: 63 days
Class: Class II
Product code: IYE
Recalls: None
Predicates: 0

93 later devices descend from it, 2 citing it directly.

This deviceK911612 Nucletron Planning SystemNucletron-Oldelft Corp. · 1991
Descendant · cites it directly · 85 of its ownK983343 Plato Brachytheraphy, Model V. 14.0Nucletron Corp. · 1999
Descendant · 2 generations on · 54 of its ownK081281 Ocentra Masterplan 3.1 (Ocentra Brachy)Nucletron Corporation · 2008 · Recalled
Descendant · 3 generations on · 34 of its ownK092132 Xio RTP SystemComputerized Medical Systems, Inc. · 2009 · Recalled
Descendant · 3 generations on · 31 of its ownK083264 Rayautoplan 1.0Raysearch Laboratories AB · 2009 · Recalled
Descendant · 3 generations on · 30 of its ownK100552 Raystation Version 1.0Raysearch Laboratories AB · 2010 · Recalled

Showing 5 of 93 descendants. See all descendants

Descendants cleared per year

1999high 7 (2017) · low 0 (2001)2026

Most influential descendants

Showing 5 of 93 · See all

K983343Plato Brachytheraphy, Model V. 14.0Nucletron Corp. · 1999 · cites it directly85descendants
K081281Ocentra Masterplan 3.1 (Ocentra Brachy)Nucletron Corporation · 2008 · 2 generations on54descendants
K092132Xio RTP SystemComputerized Medical Systems, Inc. · 2009 · 3 generations on34descendants
K083264Rayautoplan 1.0Raysearch Laboratories AB · 2009 · 3 generations on31descendants
K100552Raystation Version 1.0Raysearch Laboratories AB · 2010 · 3 generations on30descendants

View FIG. 1 as a table

Line of descent and top descendants

Generation	Number	Device	Applicant	Decided	Recalls
0 (this device)	K911612	Nucletron Planning System	Nucletron-Oldelft Corp.	1991	—
+1	K983343	Plato Brachytheraphy, Model V. 14.0	Nucletron Corp.	1999	—
+2	K081281	Ocentra Masterplan 3.1 (Ocentra Brachy)	Nucletron Corporation	2008	2
+3	K092132	Xio RTP System	Computerized Medical Systems, Inc.	2009	12
+3	K083264	Rayautoplan 1.0	Raysearch Laboratories AB	2009	2
+3	K100552	Raystation Version 1.0	Raysearch Laboratories AB	2010	4

Descendants by year cleared

Year cleared	Devices	With a Class I recall
1999	1	0
2000	1	0
2002	2	0
2003	2	0
2006	1	0
2008	5	0
2009	6	0
2010	4	0
2011	2	0
2012	4	0
2013	4	0
2014	4	0
2015	4	0
2016	4	0
2017	7	0
2018	5	0
2019	6	0
2020	5	0
2021	4	0
2022	6	0
2023	5	0
2024	2	0
2025	6	0
2026	3	0

FIG. 1 — Lineage of K911612, 1991–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Sources: FDA 510(k) database (decision fields), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in IYE? 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 IYE device

#1 K252977 Halcyon, Ethos Radiotherapy System (5.0)score 18.8 · 18 generations · no Class I recall
#2 Held for the reportin the report
#3 Held for the reportin the report

Get a 510(k) Report

What was it cleared against?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (93)

See all 93

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

Number	Device	Applicant	Decided	Descendants
K983343	Plato Brachytheraphy, Model V. 14.0	Nucletron Corp.	1999	85
K992303	Sonographic Planning of Oncology Treatments (Spot), Model V.. 1.0	Nucletron Corp.	2000	6

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?

Of its descendants, K983343 (Nucletron Corp., 1999) has gone furthest, with 85 descendants of its own.

How does its category compare?

All IYE devices

IYE Accelerator, Linear, Medical: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · IYE

12in 2025

2007high 28 (2012) · low 9 (2024)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · IYE

170in 2025

2007high 239 (2024) · low 44 (2007)2026

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

Recalls per year · IYE

1in 2025

2007high 78 (2007) · low 1 (2024)2026

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

Adverse event reports per year · IYE

101in 2025

2007high 280 (2011) · low 66 (2022)2025

MAUDE reports naming product code IYE, 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	23	44	78	155
2008	14	69	49	114
2009	20	63	22	174
2010	23	74	27	246
2011	11	94	73	280
2012	28	106	20	128
2013	18	88	11	96
2014	20	100	14	124
2015	20	108	8	100
2016	21	97	7	97
2017	23	94	7	125
2018	21	58	7	85
2019	19	83	2	91
2020	20	67	4	74
2021	19	86	5	68
2022	12	172	3	66
2023	18	129	7	128
2024	9	239	1	81
2025	12	170	1	101
2026	14	120	4	—

https://510kreport.com/device/K911612 · printed Nov 6, 2026

Cite this page

510(k) Report. “K911612: Nucletron Planning System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K911612

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Record history

FDA decision record loaded May 2, 2026
Lineage and recalls computed Nov 3, 2026
Page last updated Nov 3, 2026