510(k) · Cleared
Recalled · Class II · 2019CuattroDR
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Cuattro, LLC · KPR System, X-Ray, Stationary
Cleared on Oct 6, 2016 as substantially equivalent to K150725 (Visaris D.O.O. Belgrade, 2015) and 1 other predicate after an 84-day review. Its family tree reaches back 8 generations to 1990. It has been recalled once.
- Decided
- Oct 6, 2016
- Review
- 84 days
- Class
- Class II
- Product code
- KPR
- Recalls
- 1
- Predicates
- 2
Its longest line of descent runs back 8 generations to K896095 (1990). 17 ancestors in all. No later device cites it as a predicate yet.
- Root · 8 generations backK896095 Images-on-Call Teleradiology SystemDevices & Services Co. · 1990
- 7 generations backK962699 Radworks Medical Imaging SoftwareApplicare Medical Imaging, B.V. · 1996
- 6 generations backK982862 Radworks Medical Imaging Software with Quality Control ModuleApplicare Medical Imaging, B.V. · 1998
- 5 generations backK012211 Efilm WorkstationEfilm Medical, Inc. · 2001 · Recalled
- 4 generations backK020995 Efilm Workstation with ModulesEfilm Medical, Inc. · 2002 · Recalled
- 3 generations backK070618 Dicompacs, Model 5Oehm Und Rehbein GmbH · 2007
- 2 generations backK091364 Dicompacs, Model 5.2, Dicompacs DX-R, Model 1.4Oehm Und Rehbein GmbH · 2009
- 1 generation backK150725 Visaris AvanseVisaris D.O.O. Belgrade · 2015
- This deviceK161937 CuattroDRCuattro, LLC · 2016
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −8 | K896095 | Images-on-Call Teleradiology System | Devices & Services Co. | 1990 | — |
| −7 | K962699 | Radworks Medical Imaging Software | Applicare Medical Imaging, B.V. | 1996 | — |
| −6 | K982862 | Radworks Medical Imaging Software with Quality Control Module | Applicare Medical Imaging, B.V. | 1998 | — |
| −5 | K012211 | Efilm Workstation | Efilm Medical, Inc. | 2001 | 1 |
| −4 | K020995 | Efilm Workstation with Modules | Efilm Medical, Inc. | 2002 | 2 |
| −3 | K070618 | Dicompacs, Model 5 | Oehm Und Rehbein GmbH | 2007 | — |
| −2 | K091364 | Dicompacs, Model 5.2, Dicompacs DX-R, Model 1.4 | Oehm Und Rehbein GmbH | 2009 | — |
| −1 | K150725 | Visaris Avanse | Visaris D.O.O. Belgrade | 2015 | — |
| 0 (this device) | K161937 | CuattroDR | Cuattro, LLC | 2016 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1994 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2010 | 1 | 0 |
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 KPR? 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 KPR device
- #1 K242119 Innovision-Exiiscore 17.0 · 9 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K150725 | Visaris AvanseSummary page 4…tion Number: 21 CFR 892.1680 Product Code: KPR, LLZ Substantial equivalence is claimed to the following Legally Marketed Devices: Primary predicate K150725: Manufacturer: VISARIS Device Visaris Avanse 510(k) Number: K150725 Classifica… | 2015 |
| * | K093480 | Cuattro UnomdSummary page 5…Product Code: KPR, LLZ Page 1 of 5 Secondary predicate K093480: Manufacturer: Cuattro Device UnoMD (CloudDR) 510(k) Number: K093480 Classific… | 2010 |
| † | K024028 | Sharp View Image Enhancement System | 2003 |
What descends from it?
No later submission names this one as a predicate yet.
Has anything in its family been recalled? (0 Class I)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Oct 15, 2019 | Class II | Z-1934-2020 | Device Design | There is a potential that an image from a previous patient study to show up in a later patient study. This may result in misdiagnosis of the correct patient. |
No ancestor or descendant has a Class I recall.
What does this lineage say?
- The line of descent spans 26 years and passes through 6 companies; a new generation was cleared every 2.8 years on median.
- 2 of the 17 ancestors have a recall of any class.
How does its category compare?
All KPR devicesKPR System, X-Ray, Stationary: FDA decisions, review times, recalls and adverse event reports over 20 years. 2016, this device’s year, is highlighted.
FDA decisions per year · KPR
8in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · KPR
155in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · KPR
7in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · KPR
39in 2025
MAUDE reports naming product code KPR, 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 | 12 | 31 | 10 | 120 |
| 2008 | 15 | 48 | 10 | 95 |
| 2009 | 9 | 35 | 5 | 61 |
| 2010 | 9 | 126 | 3 | 82 |
| 2011 | 9 | 152 | 5 | 103 |
| 2012 | 11 | 58 | 1 | 74 |
| 2013 | 5 | 163 | 5 | 24 |
| 2014 | 10 | 108 | 8 | 34 |
| 2015 | 18 | 81 | 1 | 59 |
| 2016 | 11 | 84 | 4 | 18 |
| 2017 | 6 | 75 | 3 | 31 |
| 2018 | 15 | 30 | 4 | 36 |
| 2019 | 12 | 33 | 1 | 77 |
| 2020 | 16 | 39 | 1 | 41 |
| 2021 | 6 | 55 | 0 | 37 |
| 2022 | 8 | 43 | 2 | 27 |
| 2023 | 9 | 76 | 4 | 39 |
| 2024 | 11 | 162 | 1 | 34 |
| 2025 | 8 | 155 | 7 | 39 |
| 2026 | 6 | 197 | 0 | — |
What is it indicated for?
The CuattroDR, when used with a cleared digital image capture device, provides for the capture of digital images in place of conventional film radiographic examinations.
The device is intended to be available for retrofit on existing or planned x-ray machines with a cleared digital image capture device.
The device is intended for use by trained and qualified personnel in the acquisition and review of radiographic images. The product is not intended for mammography or fluoroscopy applications.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K161937 · printed Nov 6, 2026
Cite this page
510(k) Report. “K161937: CuattroDR.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K161937
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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