510(k) Report

510(k) · Cleared

Recalled · Class II · 2021

Diamondback 360 Peripheral Orbital Atherectomy System, Stealth 360 Peripheral Orbital Atherectomy System

K190634510(k) TraditionalCleared Jul 2, 2019112-day reviewClass II21 CFR 870.4875Recalls 2

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Cardiovascular Systems, Inc. · MCW Catheter, Peripheral, Atherectomy

Cleared on Jul 2, 2019 as substantially equivalent to K152694 (Cardiovascular Systems, Inc., 2015) after a 112-day review. Its family tree reaches back 9 generations to 1987. 4 later devices descend from it. It has been recalled 2 times.

Decided
Jul 2, 2019
Review
112 days
Class
Class II
Product code
MCW
Recalls
2
Predicates
1

Its longest line of descent runs back 9 generations to K871011 (1987). 17 ancestors in all. 4 later devices descend from it, 3 citing it directly.

  1. Root · 9 generations backK871011 Simpson Peripheral Atherocath (TM)Devices For Vascular Intervention, Inc. · 1987
  2. 5 generations between
  3. 3 generations backK090521 Diamondback 360 DBXCardiovascular Systems, Inc. · 2009 · Recalled
  4. 2 generations backK110389 Stealth 360 Orbital Pad SystemCardiovascular Systems, Inc. · 2011 · Recalled
  5. 1 generation backK152694 Diamondback 360 Peripheral Orbital Atherectomy SystemCardiovascular Systems, Inc. · 2015 · Recalled
  6. This deviceK190634 Diamondback 360 Peripheral Orbital Atherectomy System, Stealth 360…Cardiovascular Systems, Inc. · 2019
  7. Descendant · cites it directly · 1 of its ownK203008 DIAMONDBACK 360 Peripheral Orbital Atherectomy System, DIAMONDBACK…Cardiovascular Systems, Inc. · 2020
  8. Descendant · 2 generations on · 0 of its ownK220568 Diamondback 360 Peripheral Orbital Atherectomy System, Stealth 360…Cardiovascualr Systems, Inc. · 2022
  9. Descendant · cites it directly · 0 of its ownK220109 DIAMONDBACK 360 Peripheral Orbital Atherectomy System, DIAMONDBACK…Cardiovascular Systems, Inc. · 2022
  10. Descendant · cites it directly · 0 of its ownK210586 Diamonback 360 Peripheral Orbital Atherectomy System, Diamondback…Cardiovascular Systems, Inc. · 2021
Show all 9 generations
  1. Root · 9 generations backK871011 Simpson Peripheral Atherocath (TM)Devices For Vascular Intervention, Inc. · 1987
  2. 8 generations backK024243 Reform Peripheral Catheter System, Model 02200; Reform Peripheral…Fox Hollow Technologies · 2003 · Recalled
  3. 7 generations backK043553 Silverhawk Peripheral Plaque Excision System, Models 02550,04800…Fox Hollow Technologies · 2005
  4. 6 generations backK071350 Diamondback 360 Degree Orbital Atherectomy SystemCardiovascular Systems, Inc. · 2007
  5. 5 generations backK072748 Modification to: Diamondback 360 Orbital Atherectomy SystemCardiovascular Systems, Inc. · 2007
  6. 4 generations backK081944 Modification to Diamondback 360 Degree Orbital Atherectomy SystemCardio Systems, Inc. · 2008
  7. 3 generations backK090521 Diamondback 360 DBXCardiovascular Systems, Inc. · 2009 · Recalled
  8. 2 generations backK110389 Stealth 360 Orbital Pad SystemCardiovascular Systems, Inc. · 2011 · Recalled
  9. 1 generation backK152694 Diamondback 360 Peripheral Orbital Atherectomy SystemCardiovascular Systems, Inc. · 2015 · Recalled
  10. This deviceK190634 Diamondback 360 Peripheral Orbital Atherectomy System, Stealth 360…Cardiovascular Systems, Inc. · 2019

Most influential descendants

Showing 4 of 4 · See all
  • K203008DIAMONDBACK 360 Peripheral Orbital Atherectomy System, DIAMONDBACK 360 Peripheral…Cardiovascular Systems, Inc. · 2020 · cites it directly1descendant
  • K220568Diamondback 360 Peripheral Orbital Atherectomy System, Stealth 360 Peripheral Orbital…Cardiovascualr Systems, Inc. · 2022 · 2 generations on0descendants
  • K220109DIAMONDBACK 360 Peripheral Orbital Atherectomy System, DIAMONDBACK 360 Peripheral…Cardiovascular Systems, Inc. · 2022 · cites it directly0descendants
  • K210586Diamonback 360 Peripheral Orbital Atherectomy System, Diamondback 360 Stealth Orbital…Cardiovascular Systems, Inc. · 2021 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−9K871011Simpson Peripheral Atherocath (TM)Devices For Vascular Intervention, Inc.1987—
−8K024243Reform Peripheral Catheter System, Model 02200; Reform Peripheral…Fox Hollow Technologies20031
−7K043553Silverhawk Peripheral Plaque Excision System, Models 02550,04800, 05200…Fox Hollow Technologies2005—
−6K071350Diamondback 360 Degree Orbital Atherectomy SystemCardiovascular Systems, Inc.2007—
−5K072748Modification to: Diamondback 360 Orbital Atherectomy SystemCardiovascular Systems, Inc.2007—
−4K081944Modification to Diamondback 360 Degree Orbital Atherectomy SystemCardio Systems, Inc.2008—
−3K090521Diamondback 360 DBXCardiovascular Systems, Inc.20092
−2K110389Stealth 360 Orbital Pad SystemCardiovascular Systems, Inc.20111
−1K152694Diamondback 360 Peripheral Orbital Atherectomy SystemCardiovascular Systems, Inc.20153
0 (this device)K190634Diamondback 360 Peripheral Orbital Atherectomy System, Stealth 360 Peripheral…Cardiovascular Systems, Inc.2019—
+1K203008DIAMONDBACK 360 Peripheral Orbital Atherectomy System, DIAMONDBACK 360…Cardiovascular Systems, Inc.2020—
+2K220568Diamondback 360 Peripheral Orbital Atherectomy System, Stealth 360 Peripheral…Cardiovascualr Systems, Inc.2022—
+1K220109DIAMONDBACK 360 Peripheral Orbital Atherectomy System, DIAMONDBACK 360…Cardiovascular Systems, Inc.2022—
+1K210586Diamonback 360 Peripheral Orbital Atherectomy System, Diamondback 360 Stealth…Cardiovascular Systems, Inc.2021—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198830
199010
199720
200510
200710

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202010
202110
202220
FIG. 1 — Lineage of K190634, 1987–2022Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

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 MCW? 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 MCW device

  1. #1 K233668 Auryon Atherectomy Catheter 1.5 mm XL…score 17.6 · 18 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (1)

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.

TypeNumberDeviceApplicantDecidedRecalls
*K152694Diamondback 360 Peripheral Orbital Atherectomy System
Summary page 4
…Atherectomy System Common Name: Intraluminal Artery Stripper Classification: Class II, 21 CFR 870.4875 Product Code: MCW Predicate Device: K152694 - Diamondback 360® Peripheral Orbital Atherectomy System (Cardiovascular Systems, Inc.) Device Description…
Cardiovascular Systems, Inc.20153
†K182397Diamondback 360 Peripheral Orbital Atherectomy System Exchangeable SeriesCardiovascular Systems, Inc.2018—

Also cleared against K152694: 2 other devices →

What descends from it? (4)

3 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K203008DIAMONDBACK 360 Peripheral Orbital Atherectomy System, DIAMONDBACK 360 Peripheral…Cardiovascular Systems, Inc.20201
K220109DIAMONDBACK 360 Peripheral Orbital Atherectomy System, DIAMONDBACK 360 Peripheral…Cardiovascular Systems, Inc.20220
K210586Diamonback 360 Peripheral Orbital Atherectomy System, Diamondback 360 Stealth Orbital…Cardiovascular Systems, Inc.20210

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Jul 21, 2021Class IIZ-2385-2021Process controlThere is a potential mislabeling of the OAD crown sizes: 1.50mm Sold Crown OADs may be packaged s 1.25mm Micro Crown OADs and vice versa.
Jul 21, 2021Class IIZ-2386-2021Process controlThere is a potential mislabeling of the OAD crown sizes: 1.50mm Sold Crown OADs may be packaged s 1.25mm Micro Crown OADs and vice versa.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 32 years and passes through 4 companies; a new generation was cleared every 2.0 years on median.
  • 5 of the 17 ancestors have a recall of any class.
  • Of its descendants, K203008 (Cardiovascular Systems, Inc., 2020) has gone furthest, with 1 descendant of its own.
  • 2 other devices also cite its predicate K152694.

How does its category compare?

All MCW devices

MCW Catheter, Peripheral, Atherectomy: FDA decisions, review times, recalls and adverse event reports over 20 years. 2019, this device’s year, is highlighted.

FDA decisions per year · MCW

3in 2025

2007: 52008: 62009: 82010: 62011: 62012: 52013: 52014: 72015: 62016: 52017: 72018: 82019: 32020: 22021: 62022: 62023: 42024: 32025: 32026 (partial year): 1
2007high 8 (2009) · low 2 (2020)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MCW

46in 2025

2007: 43 days median2008: 33 days median2009: 27 days median2010: 30 days median2011: 39 days median2012: 29 days median2013: 30 days median2014: 117 days median2015: 30 days median2016: 60 days median2017: 91 days median2018: 103 days median2019: 112 days median2021: 119 days median2022: 69 days median2023: 104 days median2024: 41 days median2025: 46 days median
2007high 119 (2021) · low 27 (2009)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · MCW

2in 2024

2007: 22008: 12009: 32010: 12016: 22017: 22021: 2, 2 Class I2022: 2, 2 Class I2023: 12024: 2
2007high 3 (2009) · low 0 (2011)2026

Class I (4 since 2007) Class II/III not classified

Adverse event reports per year · MCW

677in 2025

2007: 502008: 1152009: 1052010: 1672011: 2042012: 1942013: 1342014: 2102015: 3772016: 4092017: 4152018: 5372019: 6182020: 6312021: 7342022: 5662023: 5742024: 6772025: 677
2007high 734 (2021) · low 50 (2007)2025

MAUDE reports naming product code MCW, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
2007543250
20086331115
20098273105
20106301167
20116390204
20125290194
20135300134
201471170210
20156300377
20165602409
20177912415
201881030537
201931120618
20202—0631
202161192 (2)734
20226692 (2)566
202341041574
20243412677
20253460677
20261—0—

What is it indicated for?

The Diamondback 360® Peripheral Orbital Atherectomy System is a percutaneous orbital atherectomy system indicated for use as therapy in patients with occlusive atherosclerotic disease in peripheral arteries and who are acceptable candidates for percutaneous transluminal atherectomy. The OAS supports removal of stenotic material from artificial arteriovenous dialysis fistulae (AV shunt). The system is a percutaneous orbital atherectomy system indicated as…

Read the full statement (152 words)

The Diamondback 360® Peripheral Orbital Atherectomy System is a percutaneous orbital atherectomy system indicated

for use as therapy in patients with occlusive atherosclerotic disease in peripheral arteries and who are acceptable

candidates for percutaneous transluminal atherectomy.

The OAS supports removal of stenotic material from artificial arteriovenous dialysis fistulae (AV shunt). The system is a

percutaneous orbital atherectomy system indicated as a therapy in patients with occluded hemodialysis grafts who are

acceptable candidates for percutaneous transluminal angioplasty.

The Stealth 360® Peripheral Orbital Atherectomy System is a percutaneous orbital atherectomy system indicated for use

as therapy in patients with occlusive atherosclerotic disease in peripheral arteries and who are acceptable candidates

for percutaneous transluminal atherectomy.

The OAS supports removal of stenotic material from artificial arteriovenous dialysis fistulae (AV shunt). The system is a

percutaneous orbital atherectomy system indicated as a therapy in patients with occluded hemodialysis grafts who are

acceptable candidates for percutaneous transluminal angioplasty.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K190634: Diamondback 360 Peripheral Orbital Atherectomy System, Stealth 360 Peripheral Orbital Atherectomy System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K190634

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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