510(k) · Cleared
ClearedXO Score Percutaneous Transluminal Angioplasty Scoring Catheter
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Transit Scientific · PNO Catheter, Percutaneous, Cutting/Scoring
Cleared on May 29, 2020 as substantially equivalent to K150634 (Spectranetrics, 2015) and 1 other predicate after a 164-day review. Its family tree reaches back 13 generations to 1997. 2 later devices descend from it.
- Decided
- May 29, 2020
- Review
- 164 days
- Class
- Class II
- Product code
- PNO
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 13 generations to K971448 (1997). 46 ancestors in all, the oldest K971010 (1997). 2 later devices descend from it, 1 citing it directly.
- Root · 13 generations backK971448 Cordis Opta LP Pta Balloon CatheterCordis Corp. · 1997
- 9 generations between
- 3 generations backK122685 Angiosculpt Pta Scoring Balloon CatheterAngioscore, Inc. · 2013
- 2 generations backK133998 Angiosculpt Pta Scoring Balloon with Hydrocross CaotingAngioscore, Inc. · 2014
- 1 generation backK150634 AngioSculpt PTA Scoring Baloon CathetersSpectranetrics · 2015
- This deviceK193495 XO Score Percutaneous Transluminal Angioplasty Scoring CatheterTransit Scientific · 2020
- Descendant · cites it directly · 1 of its ownK221986 XO Score LP Percutaneous Transluminal Angioplasty Scoring Catheter…Transit Scientific, LLC · 2022
- Descendant · 2 generations on · 0 of its ownK232258 XO Constrain™ Percutaneous Transluminal Angioplasty Constraining…Transit Scientific, LLC · 2024
Show all 13 generations
- Root · 13 generations backK971448 Cordis Opta LP Pta Balloon CatheterCordis Corp. · 1997
- 12 generations backK013581 Cordis Aviator Peripheral Dilatation CatheterCordis, A Johnson & Johnson Co. · 2001
- 11 generations backK050629 Angiosculpt Scoring Balloon CatheterAngioscore, Inc. · 2005
- 10 generations backK072225 Angiosculpt Pta Scoring Balloon CatheterAngioscore, Inc. · 2007 · Recalled
- 9 generations backK080151 Angiosculpt Pta Scoring Balloon Catheter, Models 2076 and 2039Angioscore, Inc. · 2008 · Recalled
- 8 generations backK081220 Modification to Angiosculpt Pta Scoring Balloon CatheterAngioscore, Inc. · 2008
- 7 generations backK091966 Angiosculpt Pta Scoring Balloon Catheter, Models 2076-6040…Angioscore, Inc. · 2009
- 6 generations backK100303 Angiosculpt Pta Scoring Balloon Catheter Model 2039-Xxyy, 2076-Xxyy…Angioscore, Inc. · 2010
- 5 generations backK110767 Angiosculpt Pta Scoring Balloon CatheterAngioscore, Inc. · 2011
- 4 generations backK112182 Angiosculpt Pta Scoring Balloon CatheterAngioscore, Inc. · 2011
- 3 generations backK122685 Angiosculpt Pta Scoring Balloon CatheterAngioscore, Inc. · 2013
- 2 generations backK133998 Angiosculpt Pta Scoring Balloon with Hydrocross CaotingAngioscore, Inc. · 2014
- 1 generation backK150634 AngioSculpt PTA Scoring Baloon CathetersSpectranetrics · 2015
- This deviceK193495 XO Score Percutaneous Transluminal Angioplasty Scoring CatheterTransit Scientific · 2020
Most influential descendants
Showing 2 of 2 · See allView FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −13 | K971448 | Cordis Opta LP Pta Balloon Catheter | Cordis Corp. | 1997 | — |
| −12 | K013581 | Cordis Aviator Peripheral Dilatation Catheter | Cordis, A Johnson & Johnson Co. | 2001 | — |
| −11 | K050629 | Angiosculpt Scoring Balloon Catheter | Angioscore, Inc. | 2005 | — |
| −10 | K072225 | Angiosculpt Pta Scoring Balloon Catheter | Angioscore, Inc. | 2007 | 5 |
| −9 | K080151 | Angiosculpt Pta Scoring Balloon Catheter, Models 2076 and 2039 | Angioscore, Inc. | 2008 | 5 |
| −8 | K081220 | Modification to Angiosculpt Pta Scoring Balloon Catheter | Angioscore, Inc. | 2008 | — |
| −7 | K091966 | Angiosculpt Pta Scoring Balloon Catheter, Models 2076-6040, 2092-6040, 2105-6040 | Angioscore, Inc. | 2009 | — |
| −6 | K100303 | Angiosculpt Pta Scoring Balloon Catheter Model 2039-Xxyy, 2076-Xxyy… | Angioscore, Inc. | 2010 | — |
| −5 | K110767 | Angiosculpt Pta Scoring Balloon Catheter | Angioscore, Inc. | 2011 | — |
| −4 | K112182 | Angiosculpt Pta Scoring Balloon Catheter | Angioscore, Inc. | 2011 | — |
| −3 | K122685 | Angiosculpt Pta Scoring Balloon Catheter | Angioscore, Inc. | 2013 | — |
| −2 | K133998 | Angiosculpt Pta Scoring Balloon with Hydrocross Caoting | Angioscore, Inc. | 2014 | — |
| −1 | K150634 | AngioSculpt PTA Scoring Baloon Catheters | Spectranetrics | 2015 | — |
| 0 (this device) | K193495 | XO Score Percutaneous Transluminal Angioplasty Scoring Catheter | Transit Scientific | 2020 | — |
| +1 | K221986 | XO Score LP Percutaneous Transluminal Angioplasty Scoring Catheter, XO Score… | Transit Scientific, LLC | 2022 | — |
| +2 | K232258 | XO Constrain™ Percutaneous Transluminal Angioplasty Constraining Catheter | Transit Scientific, LLC | 2024 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 0 |
| 2003 | 3 | 0 |
| 2004 | 1 | 0 |
| 2005 | 6 | 0 |
| 2006 | 2 | 0 |
| 2007 | 2 | 0 |
| 2008 | 3 | 0 |
| 2010 | 2 | 0 |
| 2012 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2022 | 1 | 0 |
| 2024 | 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 PNO? 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 PNO device
- #1 K261778 JADE SCORE PTA Scoring Balloon Dilatation…score 14.1 · 8 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 |
|---|---|---|---|
| * | K150634 | AngioSculpt PTA Scoring Baloon CathetersSummary page 4…theter 21 CFR §870.1250, Product Code PNO Device Class: Class II Predicate Device: • K150634 – AngioSculpt PTA Scoring Catheter - Spectranetics Corporation •… | 2015 |
| * | K113103 | Splitwire Percutaneous Transluminal Angioplasty Scoring DeviceSummary page 4…• K150634 – AngioSculpt PTA Scoring Catheter - Spectranetics Corporation • K113103 – Splitwire Percutaneous Transluminal Angioplasty Scoring Device - Rex Medical Device Descriptio… | 2012 |
What descends from it? (2)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K221986 | XO Score LP Percutaneous Transluminal Angioplasty Scoring Catheter, XO Score LP Catheter | 2022 | 1 |
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 5 companies; a new generation was cleared every 1.2 years on median.
- 7 of the 46 ancestors have a recall of any class.
- Of its descendants, K221986 (Transit Scientific, LLC, 2022) has gone furthest, with 1 descendant of its own.
- 2 other devices also cite its predicate K150634.
How does its category compare?
All PNO devicesPNO Catheter, Percutaneous, Cutting/Scoring: FDA decisions, review times, recalls and adverse event reports over 20 years. 2020, this device’s year, is highlighted.
FDA decisions per year · PNO
2in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · PNO
246in 2024
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · PNO
No recall names PNO since 2007.
Adverse event reports per year · PNO
511in 2025
MAUDE reports naming product code PNO, 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 | 3 | 61 | 0 | 0 |
| 2008 | 4 | 28 | 0 | 0 |
| 2009 | 1 | — | 0 | 0 |
| 2010 | 3 | 23 | 0 | 0 |
| 2011 | 2 | — | 0 | 0 |
| 2012 | 1 | — | 0 | 0 |
| 2013 | 1 | — | 0 | 0 |
| 2014 | 1 | — | 0 | 0 |
| 2015 | 4 | 84 | 0 | 0 |
| 2016 | 1 | — | 0 | 9 |
| 2017 | 3 | 74 | 0 | 26 |
| 2018 | 0 | — | 0 | 55 |
| 2019 | 1 | — | 0 | 81 |
| 2020 | 4 | 94 | 0 | 121 |
| 2021 | 1 | — | 0 | 90 |
| 2022 | 2 | — | 0 | 75 |
| 2023 | 0 | — | 0 | 304 |
| 2024 | 4 | 246 | 0 | 537 |
| 2025 | 2 | — | 0 | 511 |
| 2026 | 3 | 110 | 0 | — |
What is it indicated for?
The XO Score Percutaneous Transluminal Angioplasty Scoring Catheter is intended to be used in conjunction with a PTA balloon to facilitate dilation and apposition of the scoring surface to the stenotic material in the iliac, femoral, ilio-femoral, popliteal, infra-popliteal, and renal arteries; and for treatment of obstructive lesions of native or synthetic arteriovenous dialysis fistulae. Not for use in the coronary or neuro-vasculature.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K193495 · printed Nov 6, 2026
Cite this page
510(k) Report. “K193495: XO Score Percutaneous Transluminal Angioplasty Scoring Catheter.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K193495
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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