510(k) · Cleared
ClearedCryogen Cryosurgical System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Cryogen, Inc. · GEH Unit, Cryosurgical, Accessories
Cleared on Oct 1, 1997 as substantially equivalent to K811390 (Frigitronics of Connecticut, Inc., 1981) and 3 other predicates after a 90-day review. Its family tree reaches back 1 generation to 1981. 1 of the 398 devices in its family, counting itself, has a Class I recall. 393 later devices descend from it.
- Decided
- Oct 1, 1997
- Review
- 90 days
- Class
- Class II
- Product code
- GEH
- Recalls
- None
- Predicates
- 4
Its longest line of descent runs back 1 generation to K811390 (1981). 4 ancestors in all. 393 later devices descend from it, 1 citing it directly. 1 of the 398 devices in this family, counting this one, has a Class I recall.
- Root · 1 generation backK811390 CCS100 Cryosurgical SystemFrigitronics of Connecticut, Inc. · 1981
- This deviceK972662 Cryogen Cryosurgical SystemCryogen, Inc. · 1997
- Descendant · cites it directly · 392 of its ownK974320 Cryogen Cardiac Cryosurgical SystemCryogen, Inc. · 1998
- Descendant · 2 generations on · 340 of its ownK013946 Flex 10 Accessory for the Afx Microwave Ablation SystemAfx, Inc. · 2002
- Descendant · 2 generations on · 268 of its ownK041340 Guidant Microwave Ablation SystemGuidant Corporation, Cardiac Surgery · 2004
- Descendant · 3 generations on · 251 of its ownK043153 Intuitive Surgical DA Vinci Surgical System and Endoscopic…Intuitive Surgical, Inc. · 2004
- Descendant · 4 generations on · 231 of its ownK050005 Intuitive Surgical Monopolar Curved Scissors, Model 400179; Tip…Intuitive Surgical, Inc. · 2005 · Recalled
Showing 5 of 393 descendants. See all descendants
Descendants cleared per year
Class I recalls in this family
- K223095 Senhance Surgical System6 generations on · 2023
Most influential descendants
Showing 5 of 393 · See all- K974320Cryogen Cardiac Cryosurgical SystemCryogen, Inc. · 1998 · cites it directly392descendants
- K013946Flex 10 Accessory for the Afx Microwave Ablation SystemAfx, Inc. · 2002 · 2 generations on340descendants
- K041340Guidant Microwave Ablation SystemGuidant Corporation, Cardiac Surgery · 2004 · 2 generations on268descendants
- K043153Intuitive Surgical DA Vinci Surgical System and Endoscopic Instruments, Models IS1200 &…Intuitive Surgical, Inc. · 2004 · 3 generations on251descendants
- K050005Intuitive Surgical Monopolar Curved Scissors, Model 400179; Tip Cover Accessory, Model…Intuitive Surgical, Inc. · 2005 · 4 generations on231descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K811390 | CCS100 Cryosurgical System | Frigitronics of Connecticut, Inc. | 1981 | — |
| 0 (this device) | K972662 | Cryogen Cryosurgical System | Cryogen, Inc. | 1997 | — |
| +1 | K974320 | Cryogen Cardiac Cryosurgical System | Cryogen, Inc. | 1998 | — |
| +2 | K013946 | Flex 10 Accessory for the Afx Microwave Ablation System | Afx, Inc. | 2002 | — |
| +2 | K041340 | Guidant Microwave Ablation System | Guidant Corporation, Cardiac Surgery | 2004 | — |
| +3 | K043153 | Intuitive Surgical DA Vinci Surgical System and Endoscopic Instruments, Models… | Intuitive Surgical, Inc. | 2004 | — |
| +4 | K050005 | Intuitive Surgical Monopolar Curved Scissors, Model 400179; Tip Cover… | Intuitive Surgical, Inc. | 2005 | 2 |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1991 | 1 | 0 |
| 1995 | 1 | 0 |
| 1997 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1998 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 0 |
| 2004 | 6 | 0 |
| 2005 | 6 | 0 |
| 2006 | 14 | 0 |
| 2007 | 6 | 0 |
| 2008 | 15 | 0 |
| 2009 | 8 | 0 |
| 2010 | 4 | 0 |
| 2011 | 9 | 0 |
| 2012 | 13 | 0 |
| 2013 | 9 | 0 |
| 2014 | 17 | 0 |
| 2015 | 7 | 0 |
| 2016 | 14 | 0 |
| 2017 | 18 | 0 |
| 2018 | 25 | 0 |
| 2019 | 20 | 0 |
| 2020 | 27 | 0 |
| 2021 | 22 | 0 |
| 2022 | 22 | 0 |
| 2023 | 27 | 1 |
| 2024 | 35 | 0 |
| 2025 | 35 | 0 |
| 2026 | 29 | 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.
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 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? (5)
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 |
|---|---|---|---|
| * | K811390 | CCS100 Cryosurgical SystemSummary page 1…n Cryosurgical Unit and Accessories (21 name: CFR 878.4350) Predicate devices Device Premarket Notification Frigitronics CE-4 & CE-4G Pre- Amendment Frigitronics CCS 100 K811390 CMS AccuProbe K904421 CMS AccuProbe 550/530 K953637 CryoGen Cryosurgical System 1 K964971 Device description & Principle of Oper… | 1981 |
| * | K904421 | CMS Oncoprobe (TM)Summary page 1…d Accessories (21 name: CFR 878.4350) Predicate devices Device Premarket Notification Frigitronics CE-4 & CE-4G Pre- Amendment Frigitronics CCS 100 K811390 CMS AccuProbe K904421 CMS AccuProbe 550/530 K953637 CryoGen Cryosurgical System 1 K964971 Device description & Principle of Operation The CryoGen Cry… | 1991 |
| * | K953637 | CMS Accuprobe 550/530Summary page 1…8.4350) Predicate devices Device Premarket Notification Frigitronics CE-4 & CE-4G Pre- Amendment Frigitronics CCS 100 K811390 CMS AccuProbe K904421 CMS AccuProbe 550/530 K953637 CryoGen Cryosurgical System 1 K964971 Device description & Principle of Operation The CryoGen Cryosurgery System consists of th… | 1995 |
| * | K964971 | Cryogen Cryosurgical SystemSummary page 1…rket Notification Frigitronics CE-4 & CE-4G Pre- Amendment Frigitronics CCS 100 K811390 CMS AccuProbe K904421 CMS AccuProbe 550/530 K953637 CryoGen Cryosurgical System 1 K964971 Device description & Principle of Operation The CryoGen Cryosurgery System consists of three components: the disposable Control… | 1997 |
| * | — | Frigitronics CE-4 & CE-4G Named without a submission number |
What descends from it? (393)
See all 3931 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K974320 | Cryogen Cardiac Cryosurgical System | 1998 | 392 |
Has anything in its family been recalled? (1 Class I)
No FDA recall names this device.
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.
- K223095Senhance Surgical SystemAsensus Surgical, Inc. · 2023 · 6 generations on · ◆ in the 2023 descendants bar of FIG. 11 Class I recall
What does this lineage say?
How does its category compare?
All GEH devicesGEH Unit, Cryosurgical, Accessories: FDA decisions, review times, recalls and adverse event reports over 20 years.
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 CryoGen Cryosurgical System is indicated for the ablation of tissue by the application of extreme cold in the areas of dermatology, general surgery, neurosurgery, thoracic surgery, E.N.T., gynecology, oncology, proctology and urology.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K972662 · printed Nov 4, 2026
Cite this page
510(k) Report. “K972662: Cryogen Cryosurgical System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K972662
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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