510(k) · Cleared
ClearedModel 50 Bipolar Coagulator
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Boston Surgical Products, Inc. · GEI Electrosurgical, Cutting & Coagulation & Accessories
Cleared on Aug 21, 1997 after a 58-day review. The FDA summary names no predicate by number. 978 later devices descend from it.
- Decided
- Aug 21, 1997
- Review
- 58 days
- Class
- Class II
- Product code
- GEI
- Recalls
- None
- Predicates
- 0
978 later devices descend from it, 1 citing it directly.
- This deviceK972350 Model 50 Bipolar CoagulatorBoston Surgical Products, Inc. · 1997
- Descendant · cites it directly · 977 of its ownK974521 Vnus Closure SystemVnus Medical Technologies, Inc. · 1998
- Descendant · 2 generations on · 973 of its ownK982816 Vnus Closure SystemVnus Medical Technologies, Inc. · 1999
- Descendant · 2 generations on · 714 of its ownK012398 Diomed 15 Diode LaserDiomed, Ltd. · 2002
- Descendant · 3 generations on · 705 of its ownK022266 Aurora SRSyneron Medical, Ltd. · 2002
- Descendant · 3 generations on · 695 of its ownK020339 Dornier Diode Laser Family Medilas D, Medilas D Skinpulse & Medilas…Dornier Medtech America, Inc. · 2002
Showing 5 of 978 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 978 · See all- K974521Vnus Closure SystemVnus Medical Technologies, Inc. · 1998 · cites it directly977descendants
- K982816Vnus Closure SystemVnus Medical Technologies, Inc. · 1999 · 2 generations on973descendants
- K012398Diomed 15 Diode LaserDiomed, Ltd. · 2002 · 2 generations on714descendants
- K022266Aurora SRSyneron Medical, Ltd. · 2002 · 3 generations on705descendants
- K020339Dornier Diode Laser Family Medilas D, Medilas D Skinpulse & Medilas D Skinpulse S Laser…Dornier Medtech America, Inc. · 2002 · 3 generations on695descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K972350 | Model 50 Bipolar Coagulator | Boston Surgical Products, Inc. | 1997 | — |
| +1 | K974521 | Vnus Closure System | Vnus Medical Technologies, Inc. | 1998 | — |
| +2 | K982816 | Vnus Closure System | Vnus Medical Technologies, Inc. | 1999 | — |
| +2 | K012398 | Diomed 15 Diode Laser | Diomed, Ltd. | 2002 | — |
| +3 | K022266 | Aurora SR | Syneron Medical, Ltd. | 2002 | — |
| +3 | K020339 | Dornier Diode Laser Family Medilas D, Medilas D Skinpulse & Medilas D… | Dornier Medtech America, Inc. | 2002 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2002 | 4 | 0 |
| 2003 | 9 | 0 |
| 2004 | 6 | 0 |
| 2005 | 12 | 0 |
| 2006 | 8 | 0 |
| 2007 | 12 | 0 |
| 2008 | 26 | 0 |
| 2009 | 20 | 0 |
| 2010 | 27 | 0 |
| 2011 | 20 | 0 |
| 2012 | 19 | 0 |
| 2013 | 26 | 0 |
| 2014 | 37 | 0 |
| 2015 | 36 | 0 |
| 2016 | 50 | 0 |
| 2017 | 52 | 0 |
| 2018 | 48 | 0 |
| 2019 | 35 | 0 |
| 2020 | 47 | 0 |
| 2021 | 47 | 0 |
| 2022 | 70 | 0 |
| 2023 | 66 | 0 |
| 2024 | 92 | 0 |
| 2025 | 131 | 0 |
| 2026 | 76 | 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 GEI? 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 GEI device
- #1 K231790 The InMode System with the Morpheus8 Applicatorsscore 32.7 · 21 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against?
The FDA summary names no predicate by number.
What descends from it? (978)
See all 9781 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K974521 | Vnus Closure System | 1998 | 977 |
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, K974521 (Vnus Medical Technologies, Inc., 1998) has gone furthest, with 977 descendants of its own.
How does its category compare?
All GEI devicesGEI Electrosurgical, Cutting & Coagulation & Accessories: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · GEI
52in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · GEI
113in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · GEI
4in 2025
Class I (14 since 2007) Class II/III not classified
Adverse event reports per year · GEI
7,592in 2025
MAUDE reports naming product code GEI, 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 | 50 | 51 | 21 | 2,795 |
| 2008 | 61 | 71 | 19 | 2,556 |
| 2009 | 42 | 130 | 27 | 3,591 |
| 2010 | 46 | 109 | 51 | 3,377 |
| 2011 | 35 | 135 | 32 | 4,463 |
| 2012 | 39 | 133 | 30 | 5,216 |
| 2013 | 48 | 136 | 13 | 4,897 |
| 2014 | 49 | 103 | 3 | 4,908 |
| 2015 | 47 | 123 | 4 | 4,936 |
| 2016 | 64 | 108 | 3 | 5,616 |
| 2017 | 52 | 72 | 2 | 6,073 |
| 2018 | 47 | 93 | 6 | 6,545 |
| 2019 | 48 | 93 | 5 | 7,067 |
| 2020 | 59 | 105 | 1 | 6,490 |
| 2021 | 46 | 146 | 6 | 6,354 |
| 2022 | 55 | 150 | 49 | 6,103 |
| 2023 | 65 | 104 | 27 (4) | 7,176 |
| 2024 | 59 | 125 | 22 (10) | 7,897 |
| 2025 | 52 | 113 | 4 | 7,592 |
| 2026 | 43 | 183 | 8 | — |
What is it indicated for?
The Boston Surgacal Products, Inc. Model 50 Coagulator Generator is a general purposd solid state bipofar generator to supply the RF signal to clectrosurgical handpieces used to coagulate soft bgdy tissues where a wide range of tissue types, patent conditions, and load impedances are encountered.
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/K972350 · printed Nov 4, 2026
Cite this page
510(k) Report. “K972350: Model 50 Bipolar Coagulator.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K972350
Report an extraction error
Are you the manufacturer?
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