510(k) Report

510(k) · Cleared

Recalled · Class II · 2025

Philips CT Big Bore

K171850510(k) TraditionalCleared Nov 9, 2017141-day reviewClass II21 CFR 892.1750Recalls 14

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

Philips Medical Systems (Cleveland), Inc. · JAK System, X-Ray, Tomography, Computed

Cleared on Nov 9, 2017 as substantially equivalent to K033357 (Philips Medical Systems (Cleveland), Inc., 2004) after a 141-day review. Its family tree reaches back 5 generations to 1993. 6 later devices descend from it. It has been recalled 14 times.

Decided
Nov 9, 2017
Review
141 days
Class
Class II
Product code
JAK
Recalls
14
Predicates
1

Its longest line of descent runs back 5 generations to K930090 (1993). 11 ancestors in all. 6 later devices descend from it, 3 citing it directly.

Other ancestors, by generationDescendants, by generation 2 generations back: 2 other ancestors4 generations back: 3 other ancestors5 generations back: 1 other ancestor 1 generation forward: 3 descendants2 generations forward: 3 descendants K033357 · Acqsim-Multislice-CT, Model 453567042271 · Philips Medical Systems (Cleveland), Inc. · 2004 · recalledK012009 · MX8000 Idt CT System · Marconi Medical Systems, Inc. · 2001 · recalledK982060 · Volumax CT Imaging System · Elscint, Inc. · 1998K961464 · Select/SP · Elscint, Inc. · 1996 · recalledK930090 · Helicat · Elscint, Inc. · 1993−50
  1. Root · 5 generations backK930090 HelicatElscint, Inc. · 1993
  2. 4 generations backK961464 Select/SPElscint, Inc. · 1996 · Recalled
  3. 3 generations backK982060 Volumax CT Imaging SystemElscint, Inc. · 1998
  4. 2 generations backK012009 MX8000 Idt CT SystemMarconi Medical Systems, Inc. · 2001 · Recalled
  5. 1 generation backK033357 Acqsim-Multislice-CT, Model 453567042271Philips Medical Systems (Cleveland), Inc. · 2004 · Recalled
  6. This deviceK171850 Philips CT Big BorePhilips Medical Systems (Cleveland), Inc. · 2017
  7. Descendant · cites it directly · 3 of its ownK240844 Spectral CT 7500 RTPhilips Medical Systems Technologies, Ltd. · 2024
  8. Descendant · cites it directly · 1 of its ownK181797 Philips CT Big Bore Sliding Gantry ConfigurationPhillips Medical Systems (Cleveland), Inc. · 2018
  9. Descendant · 2 generations on · 0 of its ownK253649 Spectral CT Verida FamilyPhilips Medical Systems Technologies, Ltd. · 2026
  10. Descendant · cites it directly · 0 of its ownK252992 CT Rembra RT; CT Areta RT; CT RembraPhilips Healthcare (Suzhou) Co., Ltd. · 2026
  11. Descendant · 2 generations on · 0 of its ownK244008 Spectral CTPhilips Medical Systems Technologies, Ltd. · 2025 · Recalled

Showing 5 of 6 descendants. See all descendants

Descendants cleared per year

2018: 12022: 12024: 12025: 12026: 2
2018high 2 (2026) · low 0 (2019)2026

Most influential descendants

Showing 5 of 6 · See all
  • K240844Spectral CT 7500 RTPhilips Medical Systems Technologies, Ltd. · 2024 · cites it directly3descendants
  • K181797Philips CT Big Bore Sliding Gantry ConfigurationPhillips Medical Systems (Cleveland), Inc. · 2018 · cites it directly1descendant
  • K253649Spectral CT Verida FamilyPhilips Medical Systems Technologies, Ltd. · 2026 · 2 generations on0descendants
  • K252992CT Rembra RT; CT Areta RT; CT RembraPhilips Healthcare (Suzhou) Co., Ltd. · 2026 · cites it directly0descendants
  • K244008Spectral CTPhilips Medical Systems Technologies, Ltd. · 2025 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K930090HelicatElscint, Inc.1993—
−4K961464Select/SPElscint, Inc.19963
−3K982060Volumax CT Imaging SystemElscint, Inc.1998—
−2K012009MX8000 Idt CT SystemMarconi Medical Systems, Inc.200161
−1K033357Acqsim-Multislice-CT, Model 453567042271Philips Medical Systems (Cleveland), Inc.200450
0 (this device)K171850Philips CT Big BorePhilips Medical Systems (Cleveland), Inc.2017—
+1K240844Spectral CT 7500 RTPhilips Medical Systems Technologies, Ltd.2024—
+1K181797Philips CT Big Bore Sliding Gantry ConfigurationPhillips Medical Systems (Cleveland), Inc.2018—
+2K253649Spectral CT Verida FamilyPhilips Medical Systems Technologies, Ltd.2026—
+1K252992CT Rembra RT; CT Areta RT; CT RembraPhilips Healthcare (Suzhou) Co., Ltd.2026—
+2K244008Spectral CTPhilips Medical Systems Technologies, Ltd.20253

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199420
199510
199710
200010
200110

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201810
202210
202410
202510
202620
FIG. 1 — Lineage of K171850, 1993–2026Source: 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 JAK? 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 JAK device

  1. #1 K230223 iCAC Devicescore 23.5 · 12 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
*K033357Acqsim-Multislice-CT, Model 453567042271
Summary page 5
…Class: II Product Code: JAK Panel: Radiology Primary Predicate device K033357 – AcQSim Multislice CT Scanner Classification Name: Computed Tomography X-ray system…
Philips Medical Systems (Cleveland), Inc.200450
†K160743Philips Ingenuity CTPhilips Medical Systems (Cleveland), Inc.201624
†K153444Philips Multislice CT System with Low Dose CT Lung CancerPhilips Medical Systems (Cleveland), Inc.2016—
†K012238DoserightPhilips Medical Systems North America Co.2001—
†K023785Lung Nodule Assessment and Comparison OptionPhilips Medical Systems (Cleveland), Inc.2003—
†K020005Infant Feeding TubesPromedic, Inc.2002—
†K162025IntelliSpace Portal PlatformPhilips Medical Systems Nederlands B.V.2016—

Also cleared against K033357: 2 other devices →

What descends from it? (6)

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

NumberDeviceApplicantDecidedDescendants
K240844Spectral CT 7500 RTPhilips Medical Systems Technologies, Ltd.20243
K181797Philips CT Big Bore Sliding Gantry ConfigurationPhillips Medical Systems (Cleveland), Inc.20181
K252992CT Rembra RT; CT Areta RT; CT RembraPhilips Healthcare (Suzhou) Co., Ltd.20260

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Aug 13, 2025Class IIZ-2597-2025Process controlThe patient support table (couch) may descend unexpectedly to the lowermost position due to a component (ball screw) misalignment after a replacement.
Apr 1, 2025Class IIZ-1660-2025Software designUnintended motion issues related to Interventional Control that may lead to collision of the Gantry/table with the operator or patient.
Oct 9, 2023Class IIZ-0293-2024Under Investigation by firmFor oncology users: If the user performed off-set reconstruction on CT device a shift could be observed on the contouring area of the primary and secondary images sets when using image fusion (on TPS) and incorrect coordinates may be sent…
Oct 9, 2023Class IIZ-0292-2024Under Investigation by firmFor oncology users: If the user performed off-set reconstruction on CT device a shift could be observed on the contouring area of the primary and secondary images sets when using image fusion (on TPS) and incorrect coordinates may be sent…
Oct 9, 2023Class IIZ-0294-2024Under Investigation by firmFor oncology users: If the user performed off-set reconstruction on CT device a shift could be observed on the contouring area of the primary and secondary images sets when using image fusion (on TPS) and incorrect coordinates may be sent…
Jun 7, 2017Class IIZ-0303-2019Software designIt was reported that scanners running certain software versions provide confusing information in the "Impressions" section of the Calcium Score report. The generated report provides multiple analyses of the amount of plaque detected, as…
Jun 7, 2017Class IIZ-0304-2019Software designIt was reported that scanners running certain software versions provide confusing information in the "Impressions" section of the Calcium Score report. The generated report provides multiple analyses of the amount of plaque detected, as…
Jun 7, 2017Class IIZ-0305-2019Software designIt was reported that scanners running certain software versions provide confusing information in the "Impressions" section of the Calcium Score report. The generated report provides multiple analyses of the amount of plaque detected, as…
Jun 7, 2017Class IIZ-0309-2019Software designIt was reported that scanners running certain software versions provide confusing information in the "Impressions" section of the Calcium Score report. The generated report provides multiple analyses of the amount of plaque detected, as…
Jun 7, 2017Class IIZ-0310-2019Software designIt was reported that scanners running certain software versions provide confusing information in the "Impressions" section of the Calcium Score report. The generated report provides multiple analyses of the amount of plaque detected, as…
Jun 7, 2017Class IIZ-0311-2019Software designIt was reported that scanners running certain software versions provide confusing information in the "Impressions" section of the Calcium Score report. The generated report provides multiple analyses of the amount of plaque detected, as…
Jun 7, 2017Class IIZ-0306-2019Software designIt was reported that scanners running certain software versions provide confusing information in the "Impressions" section of the Calcium Score report. The generated report provides multiple analyses of the amount of plaque detected, as…
Jun 7, 2017Class IIZ-0307-2019Software designIt was reported that scanners running certain software versions provide confusing information in the "Impressions" section of the Calcium Score report. The generated report provides multiple analyses of the amount of plaque detected, as…
Jun 7, 2017Class IIZ-0308-2019Software designIt was reported that scanners running certain software versions provide confusing information in the "Impressions" section of the Calcium Score report. The generated report provides multiple analyses of the amount of plaque detected, as…

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 24 years and passes through 3 companies; a new generation was cleared every 3.0 years on median.
  • 5 of the 11 ancestors have a recall of any class.
  • Of its descendants, K240844 (Philips Medical Systems Technologies, Ltd., 2024) has gone furthest, with 3 descendants of its own.
  • 2 other devices also cite its predicate K033357.

How does its category compare?

All JAK devices

JAK System, X-Ray, Tomography, Computed: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, this device’s year, is highlighted.

FDA decisions per year · JAK

27in 2025

2007: 142008: 262009: 152010: 72011: 162012: 282013: 172014: 302015: 302016: 252017: 292018: 242019: 282020: 302021: 202022: 302023: 272024: 262025: 272026 (partial year): 21
2007high 30 (2014) · low 7 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · JAK

141in 2025

2007: 27 days median2008: 42 days median2009: 31 days median2010: 92 days median2011: 155 days median2012: 121 days median2013: 132 days median2014: 200 days median2015: 140 days median2016: 129 days median2017: 96 days median2018: 114 days median2019: 94 days median2020: 112 days median2021: 145 days median2022: 131 days median2023: 139 days median2024: 141 days median2025: 141 days median2026 (partial year): 167 days median
2007high 200 (2014) · low 27 (2007)2026

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

Recalls per year · JAK

17in 2025

2007: 112008: 162009: 292010: 512011: 342012: 232013: 112014: 102015: 282016: 442017: 332018: 102019: 52020: 82021: 152022: 92023: 92024: 202025: 172026 (partial year): 23
2007high 51 (2010) · low 5 (2019)2026

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

Adverse event reports per year · JAK

219in 2025

2007: 762008: 1202009: 1052010: 1192011: 2052012: 1922013: 4142014: 3082015: 4542016: 3652017: 3382018: 5432019: 2332020: 1772021: 2612022: 1992023: 3102024: 2122025: 219
2007high 543 (2018) · low 76 (2007)2025

MAUDE reports naming product code JAK, 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
200714271176
2008264216120
2009153129105
201079251119
20111615534205
20122812123192
20131713211414
20143020010308
20153014028454
20162512944365
2017299633338
20182411410543
201928945233
2020301128177
20212014515261
2022301319199
2023271399310
20242614120212
20252714117219
20262116723—

What is it indicated for?

The Philips CT Big Bore is a Computed Tomography X-Ray System intended to produce images of the head and body by computer reconstruction of x-ray transmission data taken at different angles and planes. These devices may include signal analysis and display equipment, patient and equipment supports, components and accessories. These systems are indicated for head and whole body X-ray Computed Tomography applications in oncology, vascular and cardiology…

Read the full statement (156 words)

The Philips CT Big Bore is a Computed Tomography X-Ray System intended to produce images of the head and body by computer reconstruction of x-ray transmission data taken at different angles and planes. These devices may include signal analysis and display equipment, patient and equipment supports, components and accessories. These systems are indicated for head and whole body X-ray Computed Tomography applications in oncology, vascular and cardiology, for patients of all ages.

These scanners are intended to be used for diagnostic imaging and for low dose CT lung cancer screening for the early detection of lung nodules that may represent cancer*. The screening must be performed within the established inclusion criteria of programs / protocols that have been approved and published by either a governmental body or professional medical society.

*Please refer to clinical literature, including the results of the National Lung Screening Trial (N Engl J Med 2011; 365:395-409) and subsequent literature, for further information.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K171850: Philips CT Big Bore.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K171850

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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