510(k) Report

510(k) · Cleared

Cleared

DSPS-Prominent™ Masks; DSPS-Prominent™ Baseplate, MR; CouchStrip

K222977510(k) TraditionalCleared Feb 17, 2023142-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

Macromedics BV · IYE Accelerator, Linear, Medical

Cleared on Feb 17, 2023 as substantially equivalent to K142420 (Macromedics BV, 2015) and 1 other predicate after a 142-day review. Its family tree reaches back 7 generations to 1991. 1 later device descends from it.

Decided
Feb 17, 2023
Review
142 days
Class
Class II
Product code
IYE
Recalls
None
Predicates
2

Its longest line of descent runs back 7 generations to K905007 (1991). 20 ancestors in all. 1 later device descends from it, 1 citing it directly.

  1. Root · 7 generations backK905007 Standard Breast Boards; Deluxe Breast BoardBionix Development Corp. · 1991
  2. 6 generations backK030051 Versaboard, Model 7040Bionix Development Corp. · 2003
  3. 5 generations backK060737 Sinmed Positioning DevicesSinmed BV · 2006
  4. 4 generations backK093738 Mri Patient Positioning DevicesMedtec, Inc. · 2010
  5. 3 generations backK111340 Head and Neck Immobilization System, Body Immobilization SystemMedtec, Inc. · 2011
  6. 2 generations backK142420 Patient Positioning DevicesMacromedics BV · 2015
  7. 1 generation backK212909 VacuumCushions, FeetSupports, LEPS (Lower Extermities Positioning…Macromedics BV · 2022
  8. This deviceK222977 DSPS-Prominent™ Masks; DSPS-Prominent™ Baseplate, MR; CouchStripMacromedics BV · 2023
  9. Descendant · cites it directly · 0 of its ownK250429 DSPS-Prominent® baseplate, MR (113820); DSPS-Prominent® baseplate…Macromedics BV · 2025

Most influential descendants

Showing 1 of 1 · See all
  • K250429DSPS-Prominent® baseplate, MR (113820); DSPS-Prominent® baseplate (113120)…Macromedics BV · 2025 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K905007Standard Breast Boards; Deluxe Breast BoardBionix Development Corp.1991—
−6K030051Versaboard, Model 7040Bionix Development Corp.2003—
−5K060737Sinmed Positioning DevicesSinmed BV2006—
−4K093738Mri Patient Positioning DevicesMedtec, Inc.2010—
−3K111340Head and Neck Immobilization System, Body Immobilization SystemMedtec, Inc.2011—
−2K142420Patient Positioning DevicesMacromedics BV2015—
−1K212909VacuumCushions, FeetSupports, LEPS (Lower Extermities Positioning System)…Macromedics BV2022—
0 (this device)K222977DSPS-Prominent™ Masks; DSPS-Prominent™ Baseplate, MR; CouchStripMacromedics BV2023—
+1K250429DSPS-Prominent® baseplate, MR (113820); DSPS-Prominent® baseplate (113120)…Macromedics BV2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199310
199430
199530
199710
199820
200210
200810
201810

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202510
FIG. 1 — Lineage of K222977, 1991–2025Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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 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. #1 K252977 Halcyon, Ethos Radiotherapy System (5.0)score 18.8 · 18 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (2)

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
*K142420Patient Positioning Devices
Summary page 5
…Equivalence is claimed K142420 DSPS & SSPS MacroMedics BV DSPS-Prominent™ thermoplastic masks…
Macromedics BV2015—
*K212909VacuumCushions, FeetSupports, LEPS (Lower Extermities Positioning System), CouchStrips
Summary page 5
…croMedics BV DSPS-Prominent™ ExaFix-IMRT baseplate, MR baseplate MR K212909 CouchStrips MacroMedics BV CouchStrip 4. Subject Device Description, Intended Use, Tech…
Macromedics BV2022—

Also cleared against K142420: 4 other devices →

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K250429DSPS-Prominent® baseplate, MR (113820); DSPS-Prominent® baseplate (113120)…Macromedics BV20250

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 32 years and passes through 4 companies; a new generation was cleared every 3.7 years on median.
  • 2 of the 20 ancestors have a recall of any class.
  • Of its descendants, K250429 (Macromedics BV, 2025) has gone furthest, with 0 descendants of its own.
  • 4 other devices also cite its predicate K142420.

How does its category compare?

All IYE devices

IYE Accelerator, Linear, Medical: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.

FDA decisions per year · IYE

12in 2025

2007: 232008: 142009: 202010: 232011: 112012: 282013: 182014: 202015: 202016: 212017: 232018: 212019: 192020: 202021: 192022: 122023: 182024: 92025: 122026 (partial year): 14
2007high 28 (2012) · low 9 (2024)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · IYE

170in 2025

2007: 44 days median2008: 69 days median2009: 63 days median2010: 74 days median2011: 94 days median2012: 106 days median2013: 88 days median2014: 100 days median2015: 108 days median2016: 97 days median2017: 94 days median2018: 58 days median2019: 83 days median2020: 67 days median2021: 86 days median2022: 172 days median2023: 129 days median2024: 239 days median2025: 170 days median2026 (partial year): 120 days median
2007high 239 (2024) · low 44 (2007)2026

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

Recalls per year · IYE

1in 2025

2007: 782008: 492009: 222010: 272011: 732012: 202013: 112014: 142015: 82016: 72017: 72018: 72019: 22020: 42021: 52022: 32023: 72024: 12025: 12026 (partial year): 4
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

2007: 1552008: 1142009: 1742010: 2462011: 2802012: 1282013: 962014: 1242015: 1002016: 972017: 1252018: 852019: 912020: 742021: 682022: 662023: 1282024: 812025: 101
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
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
2007234478155
2008146949114
2009206322174
2010237427246
2011119473280
20122810620128
201318881196
20142010014124
2015201088100
20162197797
201723947125
20182158785
20191983291
20202067474
20211986568
202212172366
2023181297128
20249239181
2025121701101
2026141204—

What is it indicated for?

DSPS-Prominent Masks, DSPS-Prominent Baseplate, MR:

Positioning and immobilization of the patient during radiotherapy. This includes positioning and immobilization of the patient during image acquisition to support treatment, such as in Magnetic Resonance (MR) and Computed Tomography (CT) Imaging Systems.

CouchStrip:

Positioning of the patient during radiotherapy and radio diagnostics, including MR where indicated.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K222977: DSPS-Prominent™ Masks; DSPS-Prominent™ Baseplate, MR; CouchStrip.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K222977

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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