510(k) · Cleared
ClearedPK AIM
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Gyrus Acmi, Inc. · GEI Electrosurgical, Cutting & Coagulation & Accessories
Cleared on May 19, 2017 as substantially equivalent to K163373 (Gyrus Acmi, Inc., 2016) and 1 other predicate after a 52-day review. Its family tree reaches back 14 generations to 1994.
- Decided
- May 19, 2017
- Review
- 52 days
- Class
- Class II
- Product code
- GEI
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 14 generations to K936109 (1994). 167 ancestors in all, the oldest K800617 (1980). No later device cites it as a predicate yet.
- Root · 14 generations backK936109 Sharplan Model 1120 CO2 Surgical LaserSharplan Lasers, Inc. · 1994
- 10 generations between
- 3 generations backK070374 Arthrocare Ent Plasma WandArthrocare Corp. · 2007 · Recalled
- 2 generations backK100597 Harmonic Focus ShearsEthicon Endo-Surgery, LLC · 2010
- 1 generation backK151743 THUNDERBEAT Open Fine JawOlympus Medical Systems Corp. · 2016
- This deviceK170908 PK AIMGyrus Acmi, Inc. · 2017
Show all 14 generations
- Root · 14 generations backK936109 Sharplan Model 1120 CO2 Surgical LaserSharplan Lasers, Inc. · 1994
- 13 generations backK960521 Sharplan Lasers, Inc. Silktouch Flash ScannerSharplan Lasers, Inc. · 1996
- 12 generations backK963339 Coherent Ultrapulse CO2 Surgical LasersCoherent Medical Group · 1997
- 11 generations backK974789 Coherent Ultrapulse S Series CO2 Surgical Lasers Model C and LLumenis, Inc. · 1998
- 10 generations backK990947 Modified Versapulse Select Single Wavelength, HO: Yag and Dual…Lumenis, Inc. · 1999
- 9 generations backK011703 Lumenis Versapulse Powersuite Holmium (HO:Yag) and Dual Wavelength…Lumenis · 2001 · Recalled
- 8 generations backK014290 Entec Plasma WandsArthrocare Corp. · 2002
- 7 generations backK021364 Modification to Entec Plasma WandsArthrocare Corp. · 2002
- 6 generations backK030108 Arthrocare Ent Coblator Surgery SystemArthrocare Corp. · 2003 · Recalled
- 5 generations backK033257 Arthrocare Ent Plasma WandsArthrocare Corp. · 2003
- 4 generations backK063538 Arthrocare Controller (System 2000 and 8000), Arthrocare Patient…Arthrocare Corp. · 2006
- 3 generations backK070374 Arthrocare Ent Plasma WandArthrocare Corp. · 2007 · Recalled
- 2 generations backK100597 Harmonic Focus ShearsEthicon Endo-Surgery, LLC · 2010
- 1 generation backK151743 THUNDERBEAT Open Fine JawOlympus Medical Systems Corp. · 2016
- This deviceK170908 PK AIMGyrus Acmi, Inc. · 2017
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −14 | K936109 | Sharplan Model 1120 CO2 Surgical Laser | Sharplan Lasers, Inc. | 1994 | — |
| −13 | K960521 | Sharplan Lasers, Inc. Silktouch Flash Scanner | Sharplan Lasers, Inc. | 1996 | — |
| −12 | K963339 | Coherent Ultrapulse CO2 Surgical Lasers | Coherent Medical Group | 1997 | — |
| −11 | K974789 | Coherent Ultrapulse S Series CO2 Surgical Lasers Model C and L | Lumenis, Inc. | 1998 | — |
| −10 | K990947 | Modified Versapulse Select Single Wavelength, HO: Yag and Dual Wavelength, HO… | Lumenis, Inc. | 1999 | — |
| −9 | K011703 | Lumenis Versapulse Powersuite Holmium (HO:Yag) and Dual Wavelength… | Lumenis | 2001 | 2 |
| −8 | K014290 | Entec Plasma Wands | Arthrocare Corp. | 2002 | — |
| −7 | K021364 | Modification to Entec Plasma Wands | Arthrocare Corp. | 2002 | — |
| −6 | K030108 | Arthrocare Ent Coblator Surgery System | Arthrocare Corp. | 2003 | 1 |
| −5 | K033257 | Arthrocare Ent Plasma Wands | Arthrocare Corp. | 2003 | — |
| −4 | K063538 | Arthrocare Controller (System 2000 and 8000), Arthrocare Patient Cable, Foot… | Arthrocare Corp. | 2006 | — |
| −3 | K070374 | Arthrocare Ent Plasma Wand | Arthrocare Corp. | 2007 | 1 |
| −2 | K100597 | Harmonic Focus Shears | Ethicon Endo-Surgery, LLC | 2010 | — |
| −1 | K151743 | THUNDERBEAT Open Fine Jaw | Olympus Medical Systems Corp. | 2016 | — |
| 0 (this device) | K170908 | PK AIM | Gyrus Acmi, Inc. | 2017 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1986 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 14 | 0 |
| 1996 | 12 | 0 |
| 1997 | 8 | 0 |
| 1998 | 11 | 0 |
| 1999 | 5 | 0 |
| 2000 | 15 | 0 |
| 2001 | 7 | 0 |
| 2002 | 4 | 0 |
| 2003 | 10 | 0 |
| 2004 | 4 | 0 |
| 2005 | 8 | 0 |
| 2006 | 6 | 0 |
| 2007 | 7 | 0 |
| 2008 | 2 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 2 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 2 | 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? (2)
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 |
|---|---|---|---|
| * | K163373 | PK AIMSummary page 4…Olympus PK AIM Generic/Common Name: Electrosurgical cutting and coagulation device Predicate Devices K163373 Olympus PK AIM K151743 Olympus Open Fine Jaw (OFJ) Compar… | 2016 |
| * | K151743 | THUNDERBEAT Open Fine JawSummary page 4…Electrosurgical cutting and coagulation device Predicate Devices K163373 Olympus PK AIM K151743 Olympus Open Fine Jaw (OFJ) Comparison to Predicate Devices: The Olympus PK AIM (Plasma Kinet… | 2016 |
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?
- The line of descent spans 23 years and passes through 8 companies; a new generation was cleared every 1.1 years on median.
- 19 of the 167 ancestors have a recall of any class.
How does its category compare?
All GEI devicesGEI Electrosurgical, Cutting & Coagulation & Accessories: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, this device’s year, is highlighted.
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 PK AIM is indicated for open, general surgery (including plastic and re-constructive) or in any procedure in which cutting, vessel ligation (sealing and cutting), coagulation, grasping and dissection is performed. The device has been designed to seal and cut vessels (up to and including 3 mm in diameter), tissue bundles, and lymphatics when used with the Olympus ESG-400 Generator.
This device is not intended to be used for tubal ligation or female sterilization.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K170908 · printed Nov 4, 2026
Cite this page
510(k) Report. “K170908: PK AIM.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K170908
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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