510(k) · Cleared
ClearedFORCE 2
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Valleylab, Inc. · HGI Electrocautery, Gynecologic (And Accessories)
Cleared on Dec 15, 1992 after a 238-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 1,365 later devices descend from it.
- Decided
- Dec 15, 1992
- Review
- 238 days
- Class
- Class II
- Product code
- HGI
- Recalls
- None
- Predicates
- 0
1,365 later devices descend from it, 3 citing it directly.
- This deviceK921884 FORCE 2Valleylab, Inc. · 1992
- Descendant · cites it directly · 1,219 of its ownK973478 Arthrocare Sinus Electrosurgery SystemArthrocare Corp. · 1998
- Descendant · 2 generations on · 1,073 of its ownK981870 Visage Cosmetic Surgery SystemArthrocare Corp. · 1998
- Descendant · 3 generations on · 1,069 of its ownK000944 Thermage Thermacool SystemThermage, Inc. · 2000
- Descendant · 4 generations on · 800 of its ownK013034 Modification to: Thermacool IiaThermage, Inc. · 2001
- Descendant · 4 generations on · 799 of its ownK013639 Thermage Thermacool TC SystemThermage, Inc. · 2002
Showing 5 of 1,365 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 1,365 · See all- K973478Arthrocare Sinus Electrosurgery SystemArthrocare Corp. · 1998 · cites it directly1,219descendants
- K981870Visage Cosmetic Surgery SystemArthrocare Corp. · 1998 · 2 generations on1,073descendants
- K000944Thermage Thermacool SystemThermage, Inc. · 2000 · 3 generations on1,069descendants
- K013034Modification to: Thermacool IiaThermage, Inc. · 2001 · 4 generations on800descendants
- K013639Thermage Thermacool TC SystemThermage, Inc. · 2002 · 4 generations on799descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K921884 | FORCE 2 | Valleylab, Inc. | 1992 | — |
| +1 | K973478 | Arthrocare Sinus Electrosurgery System | Arthrocare Corp. | 1998 | — |
| +2 | K981870 | Visage Cosmetic Surgery System | Arthrocare Corp. | 1998 | — |
| +3 | K000944 | Thermage Thermacool System | Thermage, Inc. | 2000 | — |
| +4 | K013034 | Modification to: Thermacool Iia | Thermage, Inc. | 2001 | — |
| +4 | K013639 | Thermage Thermacool TC System | Thermage, Inc. | 2002 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 10 | 0 |
| 2003 | 22 | 0 |
| 2004 | 16 | 0 |
| 2005 | 21 | 0 |
| 2006 | 27 | 0 |
| 2007 | 22 | 0 |
| 2008 | 49 | 0 |
| 2009 | 34 | 0 |
| 2010 | 42 | 0 |
| 2011 | 29 | 0 |
| 2012 | 40 | 0 |
| 2013 | 50 | 0 |
| 2014 | 50 | 0 |
| 2015 | 56 | 0 |
| 2016 | 71 | 0 |
| 2017 | 69 | 0 |
| 2018 | 63 | 0 |
| 2019 | 55 | 0 |
| 2020 | 64 | 0 |
| 2021 | 70 | 0 |
| 2022 | 87 | 0 |
| 2023 | 81 | 0 |
| 2024 | 106 | 0 |
| 2025 | 136 | 0 |
| 2026 | 86 | 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.
Planning a device in HGI? 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 HGI device
- #1 K202915 IRIS Thermocoagulator and Digital Colposcopescore 2.1 · 4 generations · no Class I recall
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? (1,365)
See all 1,3653 later devices cite it directly; ranked here by how many devices descend from each in turn.
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?
- Of its descendants, K973478 (Arthrocare Corp., 1998) has gone furthest, with 1,219 descendants of its own.
How does its category compare?
All HGI devicesHGI Electrocautery, Gynecologic (And Accessories): FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · HGI
1in 2021
2026 to Oct 25, outlined.
Median 510(k) review, days · HGI
Too few HGI 510(k)s in any year since 2007 to give a median.
Recalls per year · HGI
7in 2021
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · HGI
41in 2025
MAUDE reports naming product code HGI, 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 | 1 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 1 |
| 2009 | 0 | — | 0 | 1 |
| 2010 | 0 | — | 0 | 1 |
| 2011 | 0 | — | 0 | 2 |
| 2012 | 1 | — | 1 | 0 |
| 2013 | 0 | — | 0 | 6 |
| 2014 | 1 | — | 1 | 1 |
| 2015 | 0 | — | 0 | 27 |
| 2016 | 1 | — | 0 | 56 |
| 2017 | 0 | — | 0 | 33 |
| 2018 | 0 | — | 0 | 30 |
| 2019 | 0 | — | 3 | 127 |
| 2020 | 0 | — | 0 | 102 |
| 2021 | 1 | — | 7 | 100 |
| 2022 | 0 | — | 0 | 104 |
| 2023 | 0 | — | 0 | 61 |
| 2024 | 0 | — | 0 | 44 |
| 2025 | 0 | — | 0 | 41 |
| 2026 | 0 | — | 0 | — |
https://510kreport.com/device/K921884 · printed Nov 5, 2026
Cite this page
510(k) Report. “K921884: FORCE 2.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K921884
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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