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Founded Year



Series D | Alive

Total Raised




Last Raised

$100M | 10 mos ago

About aims to use artificial intelligence and deep learning to automatically identify suspected LVOs (large vessel occlusion) on CTA imaging with the aim of alerting a patient's physician within minutes. The company was founded in 2016 and is based in San Francisco, California.

Headquarters Location

1819 Polk St #293

San Francisco, California, 94109,

United States

646-868-6248's Product Videos

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ESPs containing

The ESP matrix leverages data and analyst insight to identify and rank leading companies in a given technology landscape.

Healthcare / Healthcare Providers Tech

Solutions that leverage machine learning and computer vision for image acquisition, disease detection, triaging, and diagnosis from ultrasounds, MRIs, CT scans, and more. named as Highflier among 8 other companies, including Zebra Medical Vision,, and Shukun Technology.

Compete with

Ensure that your company and products are accurately represented on our platform.'s Products & Differentiators

    Viz LVO

    Viz LVO uses an artificial intelligence algorithm to analyze CT angiogram images for findings suggestive of a large vessel occlusion and to the care team of suspected disease. The module includes automated CT perfusion with Viz CTP. Viz CTP is an automated image processing software package to perform image processing, analysis, and communication of computed tomography perfusion (CTP) scans of the brain. Viz CTP provides both analysis and communication capabilities for dynamic imaging datasets that are acquired with CTP imaging protocols. Analysis includes calculation of parameters related to tissue flow (perfusion) and tissue blood volume. The AI powered module is empowered by the Viz Platform which includes the high-fidelity mobile image viewing and communication solution.

Expert Collections containing

Expert Collections are analyst-curated lists that highlight the companies you need to know in the most important technology spaces. is included in 9 Expert Collections, including Digital Health.


Digital Health

21,907 items

Startups recreating how healthcare is delivered


Unicorns- Billion Dollar Startups

1,205 items


AI 100

200 items


Artificial Intelligence

9,442 items

This collection includes startups selling AI SaaS, using AI algorithms to develop their core products, and those developing hardware to support AI workloads.


Digital Health 150

450 items

2019's cohort of the most promising digital health startups transforming the healthcare industry


Medical Devices

12,770 items

Companies developing medical devices (per the IMDRF's definition of "medical device"). Includes software, lab-developed tests (LDTs), and combination products. *Columns updated as regularly as possible. Patents has filed 17 patents.

The 3 most popular patent topics include:

  • Medical tests
  • Medical terminology
  • Triage
patents chart

Application Date

Grant Date


Related Topics




Medical tests, Triage, Health informatics, Emergency medicine, Medical terminology


Application Date


Grant Date



Related Topics

Medical tests, Triage, Health informatics, Emergency medicine, Medical terminology



Latest News

Imaging industry names in the news: Canon, Medality,, more

Jan 17, 2023

Photo by Andreas Klassen via Unsplash The University of Notre Dame’s Lucy Family Institute for Data and Society (Notre Dame, Ind.) is receiving support from professional services company Accenture (Dublin, Ireland) to “leverage the power of artificial intelligence and machine learning to understand and aim to solve the most intransigent healthcare challenges, specifically at the intersection of medical and social care” ( Jan. 4 ). Nitesh Chawla, PhD, Lucy Family Institute founding director: “We are extremely grateful for Accenture’s support. We hope to develop a framework for co-creation and co-innovation to advance solutions to tackle health disparities challenges, including but not limited to responsible AI for health, an annual health equity data index and adding precision to social determinants of health actions.”   MRI software supplier Perspectum (Oxford, U.K.) has raised a fresh $36 million, hiking its total take from investors to around $120 million ( Jan. 5 ). The company plans to use the backing to expand market share beyond the 77 million U.S. adults who’ve had covered access to its tool for assessing chronic liver disease on MRI, LiverMultiScan. Leading the new funding round was Oppenheimer Holdings (New York, N.Y.). Oppenheimer Holdings president Robert Lowenthal: “Perspectum is a truly disruptive company with medical imaging software that can dramatically improve the standard of care for millions of patients, as well as provide a higher level of decision support for physicians. We anticipate Perspectum will continue to lead the field of AI-enhanced imaging for years to come.”   Canon Medical Systems USA (Tustin, Calif.) is partnering with image-management outfit ScImage of Los Altos, Calif. ( Jan. 9 ). Canon will leverage the collaboration to build its hemodynamics customer base while boosting its presence in cardiac markets. Sai Raya, PhD, founder and CEO of ScImage: “[I]n collaboration with Canon, we are providing a powerful cloud-centric platform for the advancement of enterprise imaging. With a shared vision and perfectly complementary products, we can drive the future direction of cardiology and beyond.”   Promaxo (Oakland, Calif.) sold eight of its systems for AI-equipped, MRI-guided prostate interventions in the fourth quarter of 2022 ( Jan. 9 ). The company launched a year prior and has now topped $15 million in sales. Promaxo client Kalish Kedia, MD, Cleveland Urology Associates and Infinity Surgery Center: “This novel and disruptive technology will support our goals in in clinical research to further improve urological care.”   RaySearch Laboratories (Stockholm, Sweden) has secured an order from the Ohio State University Comprehensive Cancer Center for RayStation, a proton-therapy planning system incorporating deep learning segmentation and other tech-forward features ( Jan. 9 ). RaySearch founder and CEO Johan Löf: “[W]e are proud that yet another prominent proton clinic has selected RayStation. We look forward to supporting OSUCC … in their clinical operation.” of San Francisco has introduced a suite of applications for automatically detecting vascular abnormalities and triaging affected patients ( Jan. 12 ). The company says its Viz Vascular Suite works with several imaging modalities and is capable of flagging pulmonary embolism, right heart strain, aortic dissection and abdominal aortic aneurysm. Philip Batista, MD, Cooper University Health Care in New Jersey: “When Viz identifies an abnormal scan, it quickly notifies the appropriate specialists regardless of their location. We’ve been using the Viz software for the last several months and have seen improvements in patient care across our institution.”   Perimeter Medical Imaging AI closed 2022 by recording two new commercial installations of its flagship optical coherence tomography (OCT) system used to visualize excised cancer tissues at the cellular level in real time during surgery ( Jan. 10 ). Perimeter CEO Jeremy Sobotta: “[T]he expansion within our existing customers’ networks indicates the value [our] early users are experiencing. These positive metrics are highly encouraging, and we remain focused on placing our innovative medical imaging technology in ORs across the U.S. with the goal of improving patient outcomes and reducing overall healthcare costs.”   Gentuity (Boston) has announced the first human use of its high-frequency optical coherence tomography (HFG-OCT) system for navigating the intricate blood vessels of the brain ( Jan. 12 ). Vitor Mendes Pereira, MD, director of endovascular research and innovation, St. Michael’s Hospital (Toronto): “This is an incredibly exciting milestone. The direct visualization technology we evaluated here offers unprecedented potential in the diagnosis and treatment of aneurysms, stroke, intra-cranial atherosclerotic disease and other neurological pathologies.”   Medality of Cincinnati (formerly MRI Online) has been chosen as the radiology training and partner of choice by 72-location Integral Diagnostics (IDX) of Australia and New Zealand ( Jan. 12 ). Medality CEO and co-founder Daniel Arnold: “We found a perfect partner in IDX, whose belief in professional development, continuing education and dedication to empowering radiologists to learn new skills matches our own.”   Seno Medical (San Antonio) has entered into an exclusive distributor agreement with Genetik (Republic of Singapore), which will market, sell and service Seno’s Imagio opto-acoustic/ultrasound breast imaging system in Southeast Asia ( Jan. 13 ). Seno Medical president and CEO Tom Umbel: “This agreement represents a major milestone for Seno Medical and the continued acceptance and adoption of our new fusion modality in breast imaging.” Genetik CEO Balrai Singh: “We are proud to work with innovative and highly accurate technologies that can change the standard of care for patients. We look forward to representing … the only global FDA-approved technology based on photoacoustic imaging fused with ultrasound for diagnosing breast cancer.” Frequently Asked Questions (FAQ)

  • When was founded? was founded in 2016.

  • Where is's headquarters?'s headquarters is located at 1819 Polk St, San Francisco.

  • What is's latest funding round?'s latest funding round is Series D.

  • How much did raise? raised a total of $249.55M.

  • Who are the investors of

    Investors of include Kleiner Perkins Caufield & Byers, Threshold Ventures, CRV, Google Ventures, Susa Ventures and 9 more.

  • Who are's competitors?

    Competitors of include Subtle Medical, Ibex Medical Analytics, 16-Bit, Koios Medical, Cleerly, Lunit, Aidoc Medical,, Nines, Quantib and 36 more.

  • What products does offer?'s products include Viz LVO and 4 more.

  • Who are's customers?

    Customers of include unidsclosed.

Compare to Competitors

Imagen Technologies

Imagen is building a world without diagnostic errors. The company is beginning by applying the latest advances in computer vision and machine learning to medical imaging. Imagen Technologies is putting leading medical expertise in the hands of healthcare providers everywhere.


Quibim, a company with its headquarters in Valencia, Spain, provides a whole-body medical imaging analysis. Quibim products are used worldwide by a huge diversity of research and care teams. Partners use Quibim Precision, a CE-marked whole-body imaging ecosystem, for a wide range of applications from detecting a disease to tracking the efficacy of treatments. Quibim follows an AI-first approach to help detect pathologies across every body part and imaging modality, using quantitative imaging biomarkers.

Aidoc Medical

Aidoc finds and flags critical findings in medical images. By automatically prioritizing urgent, life-threatening conditions like intracranial hemorrhage and pulmonary embolism, Aidoc saves lives, improves patient care and cuts waiting time for the must urgent patients down to only a few minutes. The always-on AI integrates into a radiologist's workflow, reprioritizing cases without forcing radiologists to change the way they work. Aidoc was founded in 2016 and is based in Tel Aviv, Israel.

Caption Health Logo
Caption Health

Caption Health has developed an AI platform that enables heart ultrasound access for early disease detection. Its Caption Care services offers health providers, payers, and value-based care organizations convenient and cost-effective echocardiograms for their members, leveraging its Caption Atlas technology platform. Caption Health was founded in 2013 and is based in San Mateo, California.

Shukun Technology

Shukun Technology develops diagnostic systems by using machine learning and AI technology for hospitals to improve efficiency. The company focuses on cardiovascular diagnosis.

Ultromics Logo

Ultromics provides autonomous echocardiography analysis through AI solutions, empowering physicians to make decisions when diagnosing cardiovascular disease. Its cloud-based service, EchoGo, uses artificial intelligence to fully automate the pathway to diagnosis, providing reports for clinicians without any need for physical software on-site. The company was founded in 2017 and is based in Oxford, U.K.

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