510(k) · Cleared
ClearedPanther Stereotactic
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Prowess, Inc. · MUJ System, Planning, Radiation Therapy Treatment
Cleared on Apr 27, 2020 as substantially equivalent to K173791 (Elekta Instrument AB, 2018) and 2 other predicates after a 133-day review. Its family tree reaches back 9 generations to 1992. 1 later device descends from it.
- Decided
- Apr 27, 2020
- Review
- 133 days
- Class
- Class II
- Product code
- MUJ
- Recalls
- None
- Predicates
- 3
Its longest line of descent runs back 9 generations to K914698 (1992). 61 ancestors in all, the oldest K862643 (1987). 1 later device descends from it, 1 citing it directly.
- Root · 9 generations backK914698 Setup Computer with Software V-1261,62 and 63K.S., Inc. · 1992
- 5 generations between
- 3 generations backK071938 Monaco RTP SystemComputerized Medical Systems, Inc. · 2007 · Recalled
- 2 generations backK091179 Monaco RTP System, Vmat OptionComputerized Medical Systems, Inc. · 2009 · Recalled
- 1 generation backK101076 Prowess Panther Proarc, Model Version 5.0Prowess, Inc. · 2010
- This deviceK193459 Panther StereotacticProwess, Inc. · 2020
- Descendant · cites it directly · 0 of its ownK231825 Panther TPSProwess, Inc. · 2023
Show all 9 generations
- Root · 9 generations backK914698 Setup Computer with Software V-1261,62 and 63K.S., Inc. · 1992
- 8 generations backK980904 Mucheck Monitor Unit Validation ProgramMedical Dosimetry Services, Inc. · 1998
- 7 generations backK990833 Dose Calc, Model VS. 1.02Integrity Medical Software, Inc. · 1999
- 6 generations backK993923 Adac PINNACLE3TM Radiation Therapy Planning SystemAdac Laboratories · 2000
- 5 generations backK032724 PINNACLE3 Radiation Therapy Planning SystemAdac Laboratories · 2003 · Recalled
- 4 generations backK041577 PINNACLE3 Radiation Therapy Planning SystemAdac Laboratories · 2004 · Recalled
- 3 generations backK071938 Monaco RTP SystemComputerized Medical Systems, Inc. · 2007 · Recalled
- 2 generations backK091179 Monaco RTP System, Vmat OptionComputerized Medical Systems, Inc. · 2009 · Recalled
- 1 generation backK101076 Prowess Panther Proarc, Model Version 5.0Prowess, Inc. · 2010
- This deviceK193459 Panther StereotacticProwess, Inc. · 2020
Most influential descendants
Showing 1 of 1 · See all- K231825Panther TPSProwess, Inc. · 2023 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −9 | K914698 | Setup Computer with Software V-1261,62 and 63 | K.S., Inc. | 1992 | — |
| −8 | K980904 | Mucheck Monitor Unit Validation Program | Medical Dosimetry Services, Inc. | 1998 | — |
| −7 | K990833 | Dose Calc, Model VS. 1.02 | Integrity Medical Software, Inc. | 1999 | — |
| −6 | K993923 | Adac PINNACLE3TM Radiation Therapy Planning System | Adac Laboratories | 2000 | — |
| −5 | K032724 | PINNACLE3 Radiation Therapy Planning System | Adac Laboratories | 2003 | 1 |
| −4 | K041577 | PINNACLE3 Radiation Therapy Planning System | Adac Laboratories | 2004 | 7 |
| −3 | K071938 | Monaco RTP System | Computerized Medical Systems, Inc. | 2007 | 5 |
| −2 | K091179 | Monaco RTP System, Vmat Option | Computerized Medical Systems, Inc. | 2009 | 5 |
| −1 | K101076 | Prowess Panther Proarc, Model Version 5.0 | Prowess, Inc. | 2010 | — |
| 0 (this device) | K193459 | Panther Stereotactic | Prowess, Inc. | 2020 | — |
| +1 | K231825 | Panther TPS | Prowess, Inc. | 2023 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1987 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 0 |
| 2003 | 4 | 0 |
| 2004 | 2 | 0 |
| 2005 | 2 | 0 |
| 2006 | 1 | 0 |
| 2007 | 3 | 0 |
| 2008 | 2 | 0 |
| 2009 | 2 | 0 |
| 2010 | 3 | 0 |
| 2015 | 1 | 0 |
| 2018 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2023 | 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 MUJ? 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 MUJ device
- #1 K232799 syngo.via RT Image Suitescore 18.6 · 19 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (3)
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 |
|---|---|---|---|
| * | K173791 | Leksell GammaPlanSummary page 4…Radiation Therapy Treatment Planning System Predicate Devices: Primary Predicate: Elekta’s Leksell GammaPlan, K173791 Additional Predicates: American Radiosurgery, Inc.’s… | 2018 |
| * | K101220 | Explorer 4D Treatment Planning SystemSummary page 4…Additional Predicates: American Radiosurgery, Inc.’s Explorer 4D Treatment Planning System, K101220 Prowess Inc.’s Panther ProArc, K101076 1844 Clayton Road, Concord, CA 94520 Tel: (… | 2010 |
| * | K101076 | Prowess Panther Proarc, Model Version 5.0Summary page 4…surgery, Inc.’s Explorer 4D Treatment Planning System, K101220 Prowess Inc.’s Panther ProArc, K101076 1844 Clayton Road, Concord, CA 94520 Tel: (925) 356-0360 Fax: (925) 356-0363 www.prowess.com 3. Dev… | 2010 |
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 |
|---|---|---|---|
| K231825 | Panther TPS | 2023 | 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 28 years and passes through 6 companies; a new generation was cleared every 1.8 years on median.
- 18 of the 61 ancestors have a recall of any class.
- Of its descendants, K231825 (Prowess, Inc., 2023) has gone furthest, with 0 descendants of its own.
- 1 other device also cites its predicate K173791.
How does its category compare?
All MUJ devicesMUJ System, Planning, Radiation Therapy Treatment: FDA decisions, review times, recalls and adverse event reports over 20 years. 2020, this device’s year, is highlighted.
FDA decisions per year · MUJ
10in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · MUJ
186in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · MUJ
2in 2023
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · MUJ
21in 2025
MAUDE reports naming product code MUJ, 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 | 4 | 67 | 4 | 24 |
| 2008 | 9 | 63 | 10 | 51 |
| 2009 | 16 | 84 | 11 | 24 |
| 2010 | 11 | 56 | 23 | 78 |
| 2011 | 9 | 103 | 17 | 73 |
| 2012 | 8 | 59 | 4 | 39 |
| 2013 | 5 | 64 | 6 | 33 |
| 2014 | 9 | 108 | 2 | 35 |
| 2015 | 13 | 78 | 7 | 30 |
| 2016 | 5 | 80 | 13 | 27 |
| 2017 | 7 | 30 | 4 | 16 |
| 2018 | 7 | 53 | 3 | 25 |
| 2019 | 9 | 56 | 4 | 25 |
| 2020 | 9 | 104 | 2 | 26 |
| 2021 | 11 | 87 | 4 | 15 |
| 2022 | 8 | 168 | 3 | 22 |
| 2023 | 10 | 140 | 2 | 76 |
| 2024 | 9 | 122 | 0 | 9 |
| 2025 | 10 | 186 | 0 | 21 |
| 2026 | 9 | 233 | 2 | — |
What is it indicated for?
Panther Stereotactic is intended to support highly advanced precision-targeted radiation planning.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K193459 · printed Nov 6, 2026
Cite this page
510(k) Report. “K193459: Panther Stereotactic.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K193459
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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