510(k) · Cleared
ClearedCardius-1, Cardius-2, Cardius-3, 2020TC Spect Imaging System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Digirad Corp. · KPS System, Tomography, Computed, Emission
Cleared on Jul 13, 2005 as substantially equivalent to K982855 (Digirad Corp., 1998) and 1 other predicate after a 30-day review. Its family tree reaches back 2 generations to 1989. 8 later devices descend from it.
- Decided
- Jul 13, 2005
- Review
- 30 days
- Class
- Class II
- Product code
- KPS
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 2 generations to K885054 (1989). 4 ancestors in all. 8 later devices descend from it, 4 citing it directly.
- Root · 2 generations backK885054 System Seventy SevenScinticor, Inc. · 1989
- 1 generation backK982855 Digirad 2020TC Spect Imaging SystemDigirad Corp. · 1998
- This deviceK051549 Cardius-1, Cardius-2, Cardius-3, 2020TC Spect Imaging SystemDigirad Corp. · 2005
- Descendant · cites it directly · 7 of its ownK052430 Cardius-1, Cardius-2, Cardius-3, 2020TC Spect Imaging SystemDigirad Corp. · 2005
- Descendant · cites it directly · 6 of its ownK070542 Cardius 1, 2 and 3 Xpo and 2020TC Spect Imaging SystemsDigirad Corp. · 2007
- Descendant · cites it directly · 2 of its ownK100838 Ergo Imaging SystemDigirad Corp. · 2010
- Descendant · cites it directly · 1 of its ownK082368 Cardius-1, -2, -3, and Cardius 1,2,3 Xpo Spect Imaging Systems…Digirad Corp. · 2008
- Descendant · 2 generations on · 0 of its ownK123408 Ergo Imaging SystemDigirad Corp. · 2013
Showing 5 of 8 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 8 · See all- K052430Cardius-1, Cardius-2, Cardius-3, 2020TC Spect Imaging SystemDigirad Corp. · 2005 · cites it directly7descendants
- K070542Cardius 1, 2 and 3 Xpo and 2020TC Spect Imaging SystemsDigirad Corp. · 2007 · cites it directly6descendants
- K100838Ergo Imaging SystemDigirad Corp. · 2010 · cites it directly2descendants
- K082368Cardius-1, -2, -3, and Cardius 1,2,3 Xpo Spect Imaging Systems, 2020TC Spect Imaging…Digirad Corp. · 2008 · cites it directly1descendant
- K123408Ergo Imaging SystemDigirad Corp. · 2013 · 2 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −2 | K885054 | System Seventy Seven | Scinticor, Inc. | 1989 | — |
| −1 | K982855 | Digirad 2020TC Spect Imaging System | Digirad Corp. | 1998 | — |
| 0 (this device) | K051549 | Cardius-1, Cardius-2, Cardius-3, 2020TC Spect Imaging System | Digirad Corp. | 2005 | — |
| +1 | K052430 | Cardius-1, Cardius-2, Cardius-3, 2020TC Spect Imaging System | Digirad Corp. | 2005 | — |
| +1 | K070542 | Cardius 1, 2 and 3 Xpo and 2020TC Spect Imaging Systems | Digirad Corp. | 2007 | — |
| +1 | K100838 | Ergo Imaging System | Digirad Corp. | 2010 | — |
| +1 | K082368 | Cardius-1, -2, -3, and Cardius 1,2,3 Xpo Spect Imaging Systems, 2020TC Spect… | Digirad Corp. | 2008 | — |
| +2 | K123408 | Ergo Imaging System | Digirad Corp. | 2013 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1995 | 1 | 0 |
| 2003 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2005 | 1 | 0 |
| 2007 | 2 | 0 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2013 | 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 KPS? 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 KPS device
- #1 K253564 uMI Panvivo (uMI Panvivo); uMI Panvivo (uMI…score 18.6 · 17 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 |
|---|---|---|---|
| * | K982855 | Digirad 2020TC Spect Imaging SystemSummary page 1…edicate devices: (1) 2020tc SPECT Imaging System and the SPECTtour Chair (SPECT Imaging System), cleared on November 9, 1998 under 510(k) #K982855; and (2) Cardius-1 and Cardius-2 SPECT Imaging System, cleared on February 5, 2003 under 510(k) #K030085.… | 1998 |
| * | K030085 | Cardius-1 and Cardis-2Summary page 1…cleared on November 9, 1998 under 510(k) #K982855; and (2) Cardius-1 and Cardius-2 SPECT Imaging System, cleared on February 5, 2003 under 510(k) #K030085. G. Conclusions Drawn from Testing Testing was performed with the Cardius and 2020tc cameras to demons… | 2003 |
What descends from it? (8)
4 later devices cite it directly; ranked here by how many devices descend from each in turn.
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 16 years and passes through 2 companies; a new generation was cleared every 9.5 years on median.
- None of the 4 ancestors has a recall.
- Of its descendants, K052430 (Digirad Corp., 2005) has gone furthest, with 7 descendants of its own.
- 6 other devices also cite its predicate K982855.
How does its category compare?
All KPS devicesKPS System, Tomography, Computed, Emission: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · KPS
12in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · KPS
65in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · KPS
16in 2025
Class I (17 since 2007) Class II/III not classified
Adverse event reports per year · KPS
36in 2025
MAUDE reports naming product code KPS, 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 | 8 | 38 | 22 | 38 |
| 2008 | 17 | 25 | 16 | 11 |
| 2009 | 9 | 42 | 14 | 15 |
| 2010 | 3 | 91 | 4 | 44 |
| 2011 | 7 | 28 | 34 | 56 |
| 2012 | 6 | 94 | 13 | 34 |
| 2013 | 11 | 84 | 13 | 240 |
| 2014 | 11 | 92 | 18 | 33 |
| 2015 | 3 | 112 | 5 | 24 |
| 2016 | 11 | 65 | 16 | 10 |
| 2017 | 11 | 104 | 11 | 31 |
| 2018 | 13 | 59 | 12 (3) | 26 |
| 2019 | 3 | 60 | 5 (5) | 105 |
| 2020 | 12 | 72 | 8 | 22 |
| 2021 | 15 | 66 | 4 | 10 |
| 2022 | 5 | 60 | 8 (6) | 15 |
| 2023 | 12 | 63 | 6 (3) | 22 |
| 2024 | 11 | 59 | 15 | 23 |
| 2025 | 12 | 65 | 16 | 36 |
| 2026 | 6 | 67 | 6 | — |
What is it indicated for?
Cardius-t, Cardius-2, Cardius-3: The Cardius product models are intended for use in the generation of cardiac studies, including planar and Single Photon Emission Computed Tomography (SPECT) studies, in nuclear medicine applications. 2020tc SPECT Imaging System: The Digirad 2020tc SPECT Imaging system is intended for use in the generation of both plariar and Single Photon Emission Computed Tomography (SPECT) clinical images in nuclear medicine…
Read the full statement (137 words)
Cardius-t, Cardius-2, Cardius-3:
The Cardius product models are intended for use in the generation of cardiac studies, including planar and Single Photon Emission Computed Tomography (SPECT) studies, in nuclear medicine applications.
2020tc SPECT Imaging System:
The Digirad 2020tc SPECT Imaging system is intended for use in the generation of both plariar and Single Photon Emission Computed Tomography (SPECT) clinical images in nuclear medicine applications. The Digirad SPECT Rotating Chair is used in coan unction with the Digirad 2020tc ImageraM to obtain SPECT images in patients who are :;eated in an upright position. Spo-.ifically, the 2020tc Imagerm is intended to image the distribution of radionuclides in the body by means of a photon radiation detector. In so doing, the system produces ima;ges depicting the anatomical distribution of radioisotopes within the human body for interpretation by authorized medical personnel.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K051549 · printed Nov 6, 2026
Cite this page
510(k) Report. “K051549: Cardius-1, Cardius-2, Cardius-3, 2020TC Spect Imaging System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K051549
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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