510(k) · Cleared
ClearedServo Guard, Model 64 81 290 EH88E
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Maquet, Inc. · CAH Filter, Bacterial, Breathing-Circuit
Cleared on Apr 26, 2004 as substantially equivalent to K871366 (Siemens Elema AB, 1987) and 1 other predicate after a 474-day review. Its family tree reaches back 1 generation to 1987. 1 later device descends from it.
- Decided
- Apr 26, 2004
- Review
- 474 days
- Class
- Class II
- Product code
- CAH
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 1 generation to K871366 (1987). 2 ancestors in all. 1 later device descends from it, 1 citing it directly.
Most influential descendants
Showing 1 of 1 · See all- K182862Servo GuardMaquet Critical Care AB · 2019 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K871366 | Siemens Main Flow Bacteria Filter | Siemens Elema AB | 1987 | — |
| 0 (this device) | K030071 | Servo Guard, Model 64 81 290 EH88E | Maquet, Inc. | 2004 | — |
| +1 | K182862 | Servo Guard | Maquet Critical Care AB | 2019 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2001 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2019 | 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 CAH? 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 CAH device
- #1 K251583 Ambu® Virobac II® Exhalation Filterscore 11.6 · 2 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 |
|---|---|---|---|
| * | K871366 | Siemens Main Flow Bacteria FilterSummary page 1…o which equivalence is being claimed 510(k) # Siemens Main Flow Bacteria Filter K871366 End expiratory filter, Model RT020 K002839 Device Description (for d… | 1987 |
| * | K002839 | End Expiratory Filter, Model RT020Summary page 1…a Filter K871366 End expiratory filter, Model RT020 K002839 Device Description (for detailed description see Section F) The Servo Guard is an efficient bacterial and viral filter for appl… | 2001 |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K182862 | Servo Guard | 2019 | 0 |
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?
- None of the 2 ancestors has a recall.
- Of its descendants, K182862 (Maquet Critical Care AB, 2019) has gone furthest, with 0 descendants of its own.
How does its category compare?
All CAH devicesCAH Filter, Bacterial, Breathing-Circuit: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · CAH
2in 2024
2026 to Oct 25, outlined.
Median 510(k) review, days · CAH
237in 2023
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · CAH
1in 2025
Class I (7 since 2007) Class II/III not classified
Adverse event reports per year · CAH
77in 2025
MAUDE reports naming product code CAH, 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 | 2 | — | 0 | 32 |
| 2008 | 1 | — | 0 | 27 |
| 2009 | 4 | 111 | 0 | 18 |
| 2010 | 5 | 216 | 2 | 40 |
| 2011 | 3 | 281 | 0 | 9 |
| 2012 | 3 | 212 | 0 | 16 |
| 2013 | 1 | — | 1 | 47 |
| 2014 | 4 | 250 | 1 | 98 |
| 2015 | 2 | — | 0 | 51 |
| 2016 | 0 | — | 0 | 34 |
| 2017 | 1 | — | 1 | 29 |
| 2018 | 0 | — | 0 | 33 |
| 2019 | 2 | — | 0 | 30 |
| 2020 | 2 | — | 0 | 33 |
| 2021 | 2 | — | 0 | 56 |
| 2022 | 3 | 204 | 6 (6) | 67 |
| 2023 | 3 | 237 | 0 | 40 |
| 2024 | 2 | — | 0 | 51 |
| 2025 | 0 | — | 1 (1) | 77 |
| 2026 | 2 | — | 0 | — |
What is it indicated for?
The Servo Guard is a disposable single-use device that provides filtration for reducing possible cross contamination between patient and equipment. The device is intended for adult, pediatric and infant populations. The device is indicated for use by qualified medical personnel only.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K030071 · printed Nov 4, 2026
Cite this page
510(k) Report. “K030071: Servo Guard, Model 64 81 290 EH88E.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K030071
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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