510(k) · Cleared
ClearedFrozen N
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Yozma Bmtech Co., Ltd. · GEH Unit, Cryosurgical, Accessories
Cleared on May 28, 2020 as substantially equivalent to K182392 (B.M. Tech. Worldwide Co., Ltd., 2018) after a 149-day review. Its family tree reaches back 5 generations to 1999. 1 later device descends from it.
- Decided
- May 28, 2020
- Review
- 149 days
- Class
- Class II
- Product code
- GEH
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 5 generations to K991514 (1999). 1 later device descends from it, 1 citing it directly.
- Root · 5 generations backK991514 Gebauer's Chloride Fine NozzeGebauer Co. · 1999
- 4 generations backK021726 Gebauer's Instant IceGebauer Co. · 2002 · Recalled
- 3 generations backK030281 Cryotron 2 Cryotherapy DeviceCryonic Medical North America · 2003
- 2 generations backK170810 CryofosCryofos Medical GmbH · 2017
- 1 generation backK182392 Frozen CB.M. Tech. Worldwide Co., Ltd. · 2018
- This deviceK193665 Frozen NYozma Bmtech Co., Ltd. · 2020
- Descendant · cites it directly · 0 of its ownK203661 CRYO Arctic, CRYO PenguinCryoscience North America, Inc. · 2022
Most influential descendants
Showing 1 of 1 · See all- K203661CRYO Arctic, CRYO PenguinCryoscience North America, Inc. · 2022 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −5 | K991514 | Gebauer's Chloride Fine Nozze | Gebauer Co. | 1999 | — |
| −4 | K021726 | Gebauer's Instant Ice | Gebauer Co. | 2002 | 2 |
| −3 | K030281 | Cryotron 2 Cryotherapy Device | Cryonic Medical North America | 2003 | — |
| −2 | K170810 | Cryofos | Cryofos Medical GmbH | 2017 | — |
| −1 | K182392 | Frozen C | B.M. Tech. Worldwide Co., Ltd. | 2018 | — |
| 0 (this device) | K193665 | Frozen N | Yozma Bmtech Co., Ltd. | 2020 | — |
| +1 | K203661 | CRYO Arctic, CRYO Penguin | Cryoscience North America, Inc. | 2022 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2022 | 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 GEH? 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 GEH device
- #1 K211099 Freeze’n Clear Skin Clinic Warts & Tagsscore 25.4 · 4 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 |
|---|---|---|---|
| * | K182392 | Frozen CSummary page 4…B.M.Tech Worldwide Co., Ltd. (old name of YOZMA BMTECH. CO., LTD) 510(k) Number K182392 Regulation & product code 21 CFR 878.4350 (GEH, MLY) Prescription Use only. Predicate d… | 2018 |
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 |
|---|---|---|---|
| K203661 | CRYO Arctic, CRYO Penguin | 2022 | 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?
- The line of descent spans 21 years and passes through 5 companies; a new generation was cleared every 1.6 years on median.
- 1 of the 5 ancestors has a recall of any class.
- Of its descendants, K203661 (Cryoscience North America, Inc., 2022) has gone furthest, with 0 descendants of its own.
- 1 other device also cites its predicate K182392.
How does its category compare?
All GEH devicesGEH Unit, Cryosurgical, Accessories: FDA decisions, review times, recalls and adverse event reports over 20 years. 2020, this device’s year, is highlighted.
FDA decisions per year · GEH
10in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · GEH
77in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · GEH
2in 2023
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · GEH
171in 2025
MAUDE reports naming product code GEH, 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 | 6 | 71 | 3 | 23 |
| 2008 | 1 | — | 2 | 29 |
| 2009 | 4 | 121 | 13 | 21 |
| 2010 | 4 | 86 | 4 | 173 |
| 2011 | 7 | 91 | 0 | 61 |
| 2012 | 4 | 96 | 3 | 91 |
| 2013 | 4 | 76 | 0 | 91 |
| 2014 | 6 | 42 | 2 | 57 |
| 2015 | 11 | 72 | 0 | 97 |
| 2016 | 15 | 60 | 0 | 143 |
| 2017 | 12 | 83 | 0 | 216 |
| 2018 | 6 | 42 | 1 | 208 |
| 2019 | 6 | 115 | 1 | 455 |
| 2020 | 8 | 113 | 37 | 277 |
| 2021 | 6 | 206 | 0 | 213 |
| 2022 | 6 | 56 | 0 | 230 |
| 2023 | 8 | 136 | 2 | 164 |
| 2024 | 9 | 85 | 0 | 141 |
| 2025 | 10 | 77 | 0 | 171 |
| 2026 | 8 | 148 | 2 | — |
What is it indicated for?
The FROZEN N, cryotherapy device using liquid nitrogen vapor, is for use when cold therapy is indicated for the temporary reduction of pain, swelling, inflammation, and hematoma from minor surgical procedures, minor sprains or other minor sports injuries, and as an adjunct to rehabilitative treatment (e.g., intermittent cold with stretch).
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K193665 · printed Nov 5, 2026
Cite this page
510(k) Report. “K193665: Frozen N.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K193665
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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