510(k) · Cleared
Recalled · 2006Modular
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Heyer America, Inc. · BSZ Gas-Machine, Anesthesia
Cleared on Feb 5, 2001 after a 221-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 1 of the 13 devices in its family, counting itself, has a Class I recall. 12 later devices descend from it. It has been recalled once.
- Decided
- Feb 5, 2001
- Review
- 221 days
- Class
- Class II
- Product code
- BSZ
- Recalls
- 1
- Predicates
- 0
12 later devices descend from it, 1 citing it directly. 1 of the 13 devices in this family, counting this one, has a Class I recall.
- This deviceK001988 ModularHeyer America, Inc. · 2001
- Descendant · cites it directly · 11 of its ownK080175 Navigator Anesthesia Delivery System, Model 0998-00-3024-01Datascope Corp., Patient Monitoring Division · 2008 · Recalled
- Descendant · 2 generations on · 9 of its ownK102471 AS3700 Anesthsia Delivery SystemMindray DS USA, Inc. · 2011 · Recalled (Class I)
- Descendant · 3 generations on · 8 of its ownK123211 A5 Anesthesia Delivery SystemDatascope Corp., Patient Monitoring Division · 2013 · Recalled
- Descendant · 4 generations on · 5 of its ownK142552 A7 Anesthesia SystemShenzhen Mindray Bio-Medical Electronics Co., Ltd. · 2015
- Descendant · 5 generations on · 4 of its ownK151954 A7 Anesthesia SystemShenzhen Mindray Bio-Medical Electronics Co., Ltd. · 2015 · Recalled
Showing 5 of 12 descendants. See all descendants
Descendants cleared per year
Class I recalls in this family
- K102471 AS3700 Anesthsia Delivery System2 generations on · 2011
Most influential descendants
Showing 5 of 12 · See all- K080175Navigator Anesthesia Delivery System, Model 0998-00-3024-01Datascope Corp., Patient Monitoring Division · 2008 · cites it directly11descendants
- K102471AS3700 Anesthsia Delivery SystemMindray DS USA, Inc. · 2011 · 2 generations on9descendants
- K123211A5 Anesthesia Delivery SystemDatascope Corp., Patient Monitoring Division · 2013 · 3 generations on8descendants
- K142552A7 Anesthesia SystemShenzhen Mindray Bio-Medical Electronics Co., Ltd. · 2015 · 4 generations on5descendants
- K151954A7 Anesthesia SystemShenzhen Mindray Bio-Medical Electronics Co., Ltd. · 2015 · 5 generations on4descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K001988 | Modular | Heyer America, Inc. | 2001 | — |
| +1 | K080175 | Navigator Anesthesia Delivery System, Model 0998-00-3024-01 | Datascope Corp., Patient Monitoring Division | 2008 | 2 |
| +2 | K102471 | AS3700 Anesthsia Delivery System | Mindray DS USA, Inc. | 2011 | Class I |
| +3 | K123211 | A5 Anesthesia Delivery System | Datascope Corp., Patient Monitoring Division | 2013 | 1 |
| +4 | K142552 | A7 Anesthesia System | Shenzhen Mindray Bio-Medical Electronics Co., Ltd. | 2015 | — |
| +5 | K151954 | A7 Anesthesia System | Shenzhen Mindray Bio-Medical Electronics Co., Ltd. | 2015 | 3 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2008 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 2 | 0 |
| 2018 | 2 | 0 |
| 2019 | 1 | 0 |
| 2021 | 1 | 0 |
| 2026 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
1 device in this family has a Class I recall. 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 BSZ device
- #1 K253330 A5 Anesthesia System (A5); A7 Anesthesia…score 16.7 · 18 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against?
FDA has not posted a summary or statement for it, so its predicates are not known.
What descends from it? (12)
See all 121 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K080175 | Navigator Anesthesia Delivery System, Model 0998-00-3024-01 | 2008 | 11 |
Has anything in its family been recalled? (1 Class I)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Mar 17, 2006 | Not classified | Z-0929-06 | Other | The Anestar and Anestar Plus Anesthesia System may produce periods of high Positive End-Expiratory Pressure (PEEP), in both manual and mechanical ventilation mode due to an issue with the Applied Pressure Limit (APL) valve. |
Relatives with a Class I recall
Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.
- K102471AS3700 Anesthsia Delivery SystemMindray DS USA, Inc. · 2011 · 2 generations on · ◆ in the 2011 descendants bar of FIG. 12 Class I recalls
What does this lineage say?
- Of its descendants, K080175 (Datascope Corp., Patient Monitoring Division, 2008) has gone furthest, with 11 descendants of its own.
How does its category compare?
All BSZ devicesBSZ Gas-Machine, Anesthesia: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · BSZ
1in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · BSZ
145in 2017
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · BSZ
5in 2025
Class I (38 since 2007) Class II/III not classified
Adverse event reports per year · BSZ
9,198in 2025
MAUDE reports naming product code BSZ, 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 | 3 | 175 | 1 | 132 |
| 2008 | 8 | 99 | 8 | 104 |
| 2009 | 3 | 34 | 3 | 85 |
| 2010 | 1 | — | 14 | 97 |
| 2011 | 6 | 218 | 1 | 87 |
| 2012 | 5 | 134 | 7 (6) | 89 |
| 2013 | 5 | 125 | 5 (5) | 308 |
| 2014 | 4 | 235 | 0 | 279 |
| 2015 | 4 | 134 | 7 (2) | 572 |
| 2016 | 1 | — | 1 | 2,135 |
| 2017 | 3 | 145 | 5 (1) | 2,355 |
| 2018 | 2 | — | 3 | 2,589 |
| 2019 | 0 | — | 5 (2) | 1,957 |
| 2020 | 1 | — | 7 | 2,687 |
| 2021 | 1 | — | 2 (1) | 3,123 |
| 2022 | 0 | — | 4 (3) | 4,352 |
| 2023 | 2 | — | 6 | 5,595 |
| 2024 | 0 | — | 13 (13) | 6,067 |
| 2025 | 1 | — | 5 (3) | 9,198 |
| 2026 | 2 | — | 7 (2) | — |
https://510kreport.com/device/K001988 · printed Nov 6, 2026
Cite this page
510(k) Report. “K001988: Modular.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K001988
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Record history
- FDA decision record loaded May 2, 2026
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026