510(k) · Cleared
ClearedStockert SCP Rhythm
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Stockert Instrumente GmbH · DWA Control, Pump Speed, Cardiopulmonary Bypass
Cleared on Sep 23, 2004 as substantially equivalent to K971520 (Stoeckert Instrumente, 1997) after a 22-day review. Its family tree reaches back 1 generation to 1997. 6 later devices descend from it.
- Decided
- Sep 23, 2004
- Review
- 22 days
- Class
- Class II
- Product code
- DWA
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to K971520 (1997). 6 later devices descend from it, 1 citing it directly.
- Root · 1 generation backK971520 S3 Cyclic RPM ControlStoeckert Instrumente · 1997
- This deviceK042374 Stockert SCP RhythmStockert Instrumente GmbH · 2004
- Descendant · cites it directly · 5 of its ownK071318 Modification to: Stockert S5 SystemSorin Group Deutschland GmbH · 2007 · Recalled
- Descendant · 2 generations on · 2 of its ownK210130 Stockert S5 SystemLivanova Deutschland, GmbH · 2021
- Descendant · 2 generations on · 2 of its ownK112225 Sorin Centrifugal Pump 5 (CP5)Sorin Group Deutschland GmbH · 2011 · Recalled
- Descendant · 2 generations on · 2 of its ownK082344 Stockert S5 System, Stockert Electrical Venous Occluder (Evo)Sorin Group Deutschland GmbH · 2008 · Recalled
- Descendant · 3 generations on · 1 of its ownK221373 Essenz HLMLivanova Deutschland, GmbH · 2023
Showing 5 of 6 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 6 · See all- K071318Modification to: Stockert S5 SystemSorin Group Deutschland GmbH · 2007 · cites it directly5descendants
- K210130Stockert S5 SystemLivanova Deutschland, GmbH · 2021 · 2 generations on2descendants
- K112225Sorin Centrifugal Pump 5 (CP5)Sorin Group Deutschland GmbH · 2011 · 2 generations on2descendants
- K082344Stockert S5 System, Stockert Electrical Venous Occluder (Evo)Sorin Group Deutschland GmbH · 2008 · 2 generations on2descendants
- K221373Essenz HLMLivanova Deutschland, GmbH · 2023 · 3 generations on1descendant
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K971520 | S3 Cyclic RPM Control | Stoeckert Instrumente | 1997 | — |
| 0 (this device) | K042374 | Stockert SCP Rhythm | Stockert Instrumente GmbH | 2004 | — |
| +1 | K071318 | Modification to: Stockert S5 System | Sorin Group Deutschland GmbH | 2007 | 13 |
| +2 | K210130 | Stockert S5 System | Livanova Deutschland, GmbH | 2021 | — |
| +2 | K112225 | Sorin Centrifugal Pump 5 (CP5) | Sorin Group Deutschland GmbH | 2011 | 4 |
| +2 | K082344 | Stockert S5 System, Stockert Electrical Venous Occluder (Evo) | Sorin Group Deutschland GmbH | 2008 | 1 |
| +3 | K221373 | Essenz HLM | Livanova Deutschland, GmbH | 2023 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2011 | 1 | 0 |
| 2021 | 1 | 0 |
| 2023 | 2 | 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 DWA? 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 DWA device
- #1 K221491 Anivia SG1000 Pump Consolescore 9.3 · 6 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K971520 | S3 Cyclic RPM ControlSummary page 1…: Cyclic RPM Control Classification Name: Accessory to cardiopulmonary bypass console 3. PREDICATE DEVICE St6ckert S3 Cyclic RPM Control Module (K971520) 4. DEVICE DESCRIPTION The StOckert SCP Rhythm is a modification of the S3 Cyclic RPM Control Module. The mo… | 1997 |
What descends from it? (6)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K071318 | Modification to: Stockert S5 System | 2007 | 5 |
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?
How does its category compare?
All DWA devicesDWA Control, Pump Speed, Cardiopulmonary Bypass: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · DWA
1in 2024
2026 to Oct 25, outlined.
Median 510(k) review, days · DWA
44in 2008
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · DWA
1in 2022
Class I (1 since 2007) Class II/III not classified
Adverse event reports per year · DWA
362in 2025
MAUDE reports naming product code DWA, 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 | 1 | — | 0 | 10 |
| 2008 | 3 | 44 | 0 | 10 |
| 2009 | 2 | — | 0 | 17 |
| 2010 | 2 | — | 1 | 110 |
| 2011 | 2 | — | 0 | 147 |
| 2012 | 0 | — | 3 | 102 |
| 2013 | 2 | — | 1 | 100 |
| 2014 | 0 | — | 0 | 98 |
| 2015 | 0 | — | 0 | 103 |
| 2016 | 0 | — | 0 | 109 |
| 2017 | 0 | — | 1 | 140 |
| 2018 | 0 | — | 0 | 200 |
| 2019 | 1 | — | 0 | 376 |
| 2020 | 2 | — | 0 | 146 |
| 2021 | 0 | — | 1 | 155 |
| 2022 | 0 | — | 1 (1) | 205 |
| 2023 | 2 | — | 0 | 438 |
| 2024 | 1 | — | 0 | 389 |
| 2025 | 0 | — | 0 | 362 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The St6ckert SCP Rhythm is an accessory to the S3 Cardiopulmonary Bypass Console that allows for cyclically controlled delivery of blood with the Stdckert SCP during cardiopulmonary bypass for periods of up to six hours.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K042374 · printed Nov 4, 2026
Cite this page
510(k) Report. “K042374: Stockert SCP Rhythm.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K042374
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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