510(k) Report

510(k) · Cleared

Cleared

VIOLA

K203307510(k) TraditionalCleared Feb 17, 2021100-day reviewClass II21 CFR 870.4450

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

Vascular Graft Solutions, Ltd. · DXC Clamp, Vascular

Cleared on Feb 17, 2021 as substantially equivalent to K130382 (Boston Scientific Corporation, 2013) after a 100-day review. Its family tree reaches back 5 generations to 1980. 1 later device descends from it.

Decided
Feb 17, 2021
Review
100 days
Class
Class II
Product code
DXC
Recalls
None
Predicates
1

Its longest line of descent runs back 5 generations to K800122 (1980). 1 later device descends from it, 1 citing it directly.

  1. Root · 5 generations backK800122 Hancock Aortic PunchHancock Laboratories, Inc. · 1980
  2. 4 generations backK980128 Baladi Inverter with Coaxial Aortic PunchCardio Medical Solutions, Inc. · 1998
  3. 3 generations backK022880 Guidant Proximal Seal System, Models PSS-4500 & PS-4500Guidant Corp. · 2002 · Recalled
  4. 2 generations backK080169 Heartstring Iii Proximal Seal SystemGuidant Corporation, Cardiac Surgery · 2008
  5. 1 generation backK130382 Heartstring Iii Proximal Seal SystemBoston Scientific Corporation · 2013 · Recalled
  6. This deviceK203307 VIOLAVascular Graft Solutions, Ltd. · 2021
  7. Descendant · cites it directly · 0 of its ownK230248 VIOLAVascular Graft Solutions, Ltd. · 2023

Most influential descendants

Showing 1 of 1 · See all
  • K230248VIOLAVascular Graft Solutions, Ltd. · 2023 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K800122Hancock Aortic PunchHancock Laboratories, Inc.1980—
−4K980128Baladi Inverter with Coaxial Aortic PunchCardio Medical Solutions, Inc.1998—
−3K022880Guidant Proximal Seal System, Models PSS-4500 & PS-4500Guidant Corp.20021
−2K080169Heartstring Iii Proximal Seal SystemGuidant Corporation, Cardiac Surgery2008—
−1K130382Heartstring Iii Proximal Seal SystemBoston Scientific Corporation20133
0 (this device)K203307VIOLAVascular Graft Solutions, Ltd.2021—
+1K230248VIOLAVascular Graft Solutions, Ltd.2023—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202310
FIG. 1 — Lineage of K203307, 1980–2023Source: 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 DXC? 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 DXC device

  1. #1 K262086 PreludeSYNC™ Radial Compression Devicescore 13.5 · 7 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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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
*K130382Heartstring Iii Proximal Seal System
Summary page 4
…ular Clamp Classification Name 21 CFR 870.4450, Class II, Product Code DXC Predicate Devices MAQUET Cardiovascular LLC’s HEARTSTRING III Proximal Seal (K130382) Intended Use / Indications for Use VIOLA clampless proximal anastomosis sealing system is indicated for use by cardiac…
Boston Scientific Corporation20133

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K230248VIOLAVascular Graft Solutions, Ltd.20230

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 41 years and passes through 6 companies; a new generation was cleared every 5.4 years on median.
  • 2 of the 5 ancestors have a recall of any class.
  • Of its descendants, K230248 (Vascular Graft Solutions, Ltd., 2023) has gone furthest, with 0 descendants of its own.

How does its category compare?

All DXC devices

DXC Clamp, Vascular: FDA decisions, review times, recalls and adverse event reports over 20 years. 2021, this device’s year, is highlighted.

FDA decisions per year · DXC

2in 2025

2007: 102008: 32009: 42010: 22011: 62012: 52013: 142014: 42015: 52016: 32017: 32018: 22019: 22020: 32021: 62022: 12023: 42024: 12025: 22026 (partial year): 4
2007high 14 (2013) · low 1 (2022)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DXC

215in 2023

2007: 52 days median2008: 29 days median2009: 83 days median2011: 51 days median2012: 73 days median2013: 89 days median2014: 157 days median2015: 71 days median2016: 91 days median2017: 90 days median2020: 209 days median2021: 37 days median2023: 215 days median2026 (partial year): 125 days median
2007high 215 (2023) · low 29 (2008)2026

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

Recalls per year · DXC

2in 2023

2008: 22009: 22010: 12011: 32014: 12022: 12023: 2
2007high 3 (2011) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · DXC

442in 2025

2007: 2982008: 3022009: 5392010: 6002011: 6912012: 5482013: 9202014: 4942015: 3742016: 4942017: 4162018: 3912019: 3932020: 4042021: 3712022: 2732023: 6742024: 3752025: 442
2007high 920 (2013) · low 273 (2022)2025

MAUDE reports naming product code DXC, 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
200710520298
20083292302
20094832539
20102—1600
20116513691
20125730548
201314890920
201441571494
20155710374
20163910494
20173900416
20182—0391
20192—0393
202032090404
20216370371
20221—1273
202342152674
20241—0375
20252—0442
202641250—

What is it indicated for?

VIOLA clampless proximal anastomosis sealing system is indicated for use by cardiac surgeons during coronary artery bypass grafting procedures to maintain hemostasis and facilitate the completion of proximal anastomoses to the aorta without application of an aortic clamp.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K203307: VIOLA.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K203307

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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