510(k) · Cleared

Cleared

Motorized Depth Dose Apparatus

K943199510(k) TraditionalCleared Dec 7, 1994155-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

Medtec, Inc. · IYE Accelerator, Linear, Medical

Cleared on Dec 7, 1994 after a 155-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 3 later devices descend from it.

Decided: Dec 7, 1994
Review: 155 days
Class: Class II
Product code: IYE
Recalls: None
Predicates: 0

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

This deviceK943199 Motorized Depth Dose ApparatusMedtec, Inc. · 1994
Descendant · cites it directly · 1 of its ownK032594 One Dimensional Water Phantom, WP 1DWellhofer Dosimetrie · 2003
Descendant · 2 generations on · 0 of its ownK191821 Blue Phantom PTIba Dosimetry GmbH · 2020
Descendant · cites it directly · 0 of its ownK173848 Model WP-3840 and WP-3040Cnmc Co., Inc. · 2018

Most influential descendants

Showing 3 of 3 · See all

K032594One Dimensional Water Phantom, WP 1DWellhofer Dosimetrie · 2003 · cites it directly1descendant
K191821Blue Phantom PTIba Dosimetry GmbH · 2020 · 2 generations on0descendants
K173848Model WP-3840 and WP-3040Cnmc Co., Inc. · 2018 · cites it directly0descendants

View FIG. 1 as a table

Line of descent and top descendants

Generation	Number	Device	Applicant	Decided	Recalls
0 (this device)	K943199	Motorized Depth Dose Apparatus	Medtec, Inc.	1994	—
+1	K032594	One Dimensional Water Phantom, WP 1D	Wellhofer Dosimetrie	2003	—
+2	K191821	Blue Phantom PT	Iba Dosimetry GmbH	2020	—
+1	K173848	Model WP-3840 and WP-3040	Cnmc Co., Inc.	2018	—

Descendants by year cleared

Year cleared	Devices	With a Class I recall
2003	1	0
2018	1	0
2020	1	0

FIG. 1 — Lineage of K943199, 1994–2020Source: 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

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What was it cleared against?

FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

What descends from it? (3)

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

Number	Device	Applicant	Decided	Descendants
K032594	One Dimensional Water Phantom, WP 1D	Wellhofer Dosimetrie	2003	1
K173848	Model WP-3840 and WP-3040	Cnmc Co., Inc.	2018	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?

Of its descendants, K032594 (Wellhofer Dosimetrie, 2003) has gone furthest, with 1 descendant 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/K943199 · printed Nov 6, 2026

Cite this page

510(k) Report. “K943199: Motorized Depth Dose Apparatus.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K943199

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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