510(k) · Cleared
ClearedSperm Freeze, Sperm Fridge
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Kitazato Corporation · MQL Media, Reproductive
Cleared on Aug 17, 2020 as substantially equivalent to K991421 (Irvine Scientific Sales Co., Inc., 1999) after a 319-day review. Its family tree reaches back 1 generation to 1999.
- Decided
- Aug 17, 2020
- Review
- 319 days
- Class
- Class II
- Product code
- MQL
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to K991421 (1999). No later device cites it as a predicate yet.
- Root · 1 generation backK991421 Freezing Medium - Test Yolk Buffer (Tyb) with Glycerol…Irvine Scientific Sales Co., Inc. · 1999
- This deviceK192845 Sperm Freeze, Sperm FridgeKitazato Corporation · 2020
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K991421 | Freezing Medium - Test Yolk Buffer (Tyb) with Glycerol, Refrigeration Medium -… | Irvine Scientific Sales Co., Inc. | 1999 | — |
| 0 (this device) | K192845 | Sperm Freeze, Sperm Fridge | Kitazato Corporation | 2020 | — |
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 MQL? 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 MQL device
- #1 K251305 Ultra-Fast Vitri; Ultra-Fast Warmscore 14.4 · 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 |
|---|---|---|---|
| * | K991421 | Freezing Medium - Test Yolk Buffer (Tyb) with Glycerol, Refrigeration Medium - Test Yolk…Summary page 4…Freezing Medium TEST Yolk Buffer (TYB) with Glycerol, Refrigeration Medium TEST Yolk Buffer (TYB) 510(k) Number: K991421 Manufacturer: Irvine Scientific This predicate has not been subject to a design-related recall.… | 1999 |
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.
What does this lineage say?
- Its one ancestor has no recall.
How does its category compare?
All MQL devicesMQL Media, Reproductive: FDA decisions, review times, recalls and adverse event reports over 20 years. 2020, this device’s year, is highlighted.
FDA decisions per year · MQL
9in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · MQL
225in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · MQL
1in 2023
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · MQL
3in 2025
MAUDE reports naming product code MQL, 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 | 212 | 0 | 0 |
| 2008 | 12 | 151 | 0 | 0 |
| 2009 | 2 | — | 0 | 0 |
| 2010 | 6 | 235 | 0 | 0 |
| 2011 | 1 | — | 0 | 0 |
| 2012 | 5 | 253 | 1 | 1 |
| 2013 | 0 | — | 0 | 2 |
| 2014 | 5 | 142 | 0 | 3 |
| 2015 | 7 | 87 | 0 | 0 |
| 2016 | 12 | 170 | 0 | 2 |
| 2017 | 10 | 113 | 0 | 0 |
| 2018 | 4 | 94 | 0 | 0 |
| 2019 | 6 | 170 | 0 | 0 |
| 2020 | 8 | 257 | 1 | 0 |
| 2021 | 1 | — | 2 | 0 |
| 2022 | 3 | 316 | 1 | 0 |
| 2023 | 5 | 199 | 1 | 1 |
| 2024 | 12 | 195 | 0 | 6 |
| 2025 | 9 | 225 | 0 | 3 |
| 2026 | 3 | 179 | 0 | — |
What is it indicated for?
Sperm Freeze is intended for the cryopreservation of human semen samples prior to use in assisted reproductive technology procedures.
Sperm Fridge is intended to protect human semen samples during refrigerated storage prior to use in assisted reproductive technology procedures.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K192845 · printed Nov 4, 2026
Cite this page
510(k) Report. “K192845: Sperm Freeze, Sperm Fridge.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K192845
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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