510(k) Report

510(k) · Cleared

Cleared

Rapid LVO

K221248510(k) SpecialCleared May 31, 202229-day reviewClass II21 CFR 892.2080

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

Ischemaview, Inc. · QAS Radiological Computer-Assisted Triage And Notification Software

Cleared on May 31, 2022 as substantially equivalent to K200941 (Ischemaview, Inc., 2020) after a 29-day review. Its family tree reaches back 4 generations to 2018.

Decided
May 31, 2022
Review
29 days
Class
Class II
Product code
QAS
Recalls
None
Predicates
1

Its longest line of descent runs back 4 generations to DEN170073 (2018). No later device cites it as a predicate yet.

  1. Root · 4 generations backDEN170073 ContaCTViz.Al, Inc. · 2018
  2. 3 generations backK180647 BriefCaseAidoc Medical, Ltd. · 2018
  3. 2 generations backK193087 Rapid ICHIschemaview Incorporated · 2020
  4. 1 generation backK200941 Rapid LVOIschemaview, Inc. · 2020
  5. This deviceK221248 Rapid LVOIschemaview, Inc. · 2022
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4DEN170073ContaCTViz.Al, Inc.2018—
−3K180647BriefCaseAidoc Medical, Ltd.2018—
−2K193087Rapid ICHIschemaview Incorporated2020—
−1K200941Rapid LVOIschemaview, Inc.2020—
0 (this device)K221248Rapid LVOIschemaview, Inc.2022—
FIG. 1 — Lineage of K221248, 2018–2022Source: 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 QAS? 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 QAS device

  1. #1 K203508 BriefCasescore 25.5 · 4 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
*K200941Rapid LVO
Summary page 4
…Classification Panel: Radiology Devices Predicate Devices: The iSchemaView Rapid LVO is claimed to be substantially equivalent to iSchemaView’s Rapid LVO (K200941) Device Description: Rapid LVO is a radiological computer-assisted triage and notification software device. The Rapid LVO module…
Ischemaview, Inc.2020—

Also cleared against K200941: 1 other device →

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 4 years and passes through 4 companies; a new generation was cleared every 1.7 years on median.
  • None of the 4 ancestors has a recall.
  • 1 other device also cites its predicate K200941.

How does its category compare?

All QAS devices

QAS Radiological Computer-Assisted Triage And Notification Software: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.

FDA decisions per year · QAS

15in 2025

2018: 32019: 52020: 122021: 52022: 152023: 112024: 122025: 152026 (partial year): 11
2007high 15 (2022) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · QAS

101in 2025

2019: 111 days median2020: 112 days median2021: 86 days median2022: 116 days median2023: 98 days median2024: 136 days median2025: 101 days median2026 (partial year): 104 days median
2007high 136 (2024) · low 86 (2021)2026

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

Recalls per year · QAS

No recall names QAS since 2007.

Adverse event reports per year · QAS

No MAUDE report names QAS since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—00
20183—00
2019511100
20201211200
202158600
20221511600
2023119800
20241213600
20251510100
2026111040—

What is it indicated for?

Rapid LVO is a radiological computer aided triage and notification software indicated for use in the analysis of CTA head images. The device is intended to assist hospital networks and trained radiologists in workflow triage by flagging and communication of suspected positive ICA or MCA-M1 Large Vessel Occlusion (LVO) findings in head CTA images. Rapid LVO uses a software algorithm to analyze images and highlight cases with suspected LVO on a server or…

Read the full statement (181 words)

Rapid LVO is a radiological computer aided triage and notification software indicated for use in the analysis of CTA head images. The device is intended to assist hospital networks and trained radiologists in workflow triage by flagging and communication of suspected positive ICA or MCA-M1 Large Vessel Occlusion (LVO) findings in head CTA images.

Rapid LVO uses a software algorithm to analyze images and highlight cases with suspected LVO on a server or standalone desktop application in parallel to the ongoing standard of care image interpretation. The user is presented with notifications for cases with suspected LVO findings. Notifications include compressed preview images. These are meant for informational purposes only and are not intended for diagnostic use beyond notification. The device does not alter the original medical image and is not intended to be used as a diagnostic device.

The results of Rapid LVO are intended to be used in conjunction with other patient information and based on professional judgment, to assist with triage /prioritization of medical images. Notified clinicians are responsible for viewing full images per the standard of care.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K221248: Rapid LVO.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K221248

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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