510(k) · Cleared
ClearedA.O. Synthes,Tap (Replacement)Various Model Numbers
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Micro-Aire Surgical Instruments, Inc. · HSZ Instrument, Surgical, Orthopedic, Pneumatic Powered & Accessory/Attachment
Cleared on Nov 26, 1990 after a 24-day review. FDA has not posted a summary or statement for it, so its predicates are not known.
- Decided
- Nov 26, 1990
- Review
- 24 days
- Class
- Class I
- Product code
- HSZ
- Recalls
- None
- Predicates
- 0
FDA has not posted a summary or statement for it, so its predicates are not known.
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.
Planning a device in HSZ? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
- Candidate predicates for a device like this, rankedin the report
- Recall history across each candidate’s familyin 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?
No later submission names this one as a predicate yet.
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.
How does its category compare?
All HSZ devicesHSZ Instrument, Surgical, Orthopedic, Pneumatic Powered & Accessory/Attachment: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · HSZ
FDA has decided no HSZ device since 2007.
Median 510(k) review, days · HSZ
Too few HSZ 510(k)s in any year since 2007 to give a median.
Recalls per year · HSZ
1in 2013
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · HSZ
4in 2025
MAUDE reports naming product code HSZ, 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 | 0 | — | 0 | 111 |
| 2008 | 0 | — | 0 | 13 |
| 2009 | 0 | — | 0 | 14 |
| 2010 | 0 | — | 0 | 11 |
| 2011 | 0 | — | 1 | 3 |
| 2012 | 0 | — | 0 | 27 |
| 2013 | 0 | — | 1 | 411 |
| 2014 | 0 | — | 0 | 18 |
| 2015 | 0 | — | 0 | 20 |
| 2016 | 0 | — | 0 | 27 |
| 2017 | 0 | — | 0 | 24 |
| 2018 | 0 | — | 0 | 13 |
| 2019 | 0 | — | 0 | 5 |
| 2020 | 0 | — | 0 | 13 |
| 2021 | 0 | — | 0 | 27 |
| 2022 | 0 | — | 0 | 35 |
| 2023 | 0 | — | 0 | 39 |
| 2024 | 0 | — | 0 | 7 |
| 2025 | 0 | — | 0 | 4 |
| 2026 | 0 | — | 0 | — |
https://510kreport.com/device/K904949 · printed Nov 4, 2026
Cite this page
510(k) Report. “K904949: A.O. Synthes,Tap (Replacement)Various Model Numbers.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K904949
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Record history
- FDA decision record loaded May 2, 2026
- Page last updated Nov 3, 2026