The 12 closest competitors and alternatives to CLEARFLOW, Inc — ranked by similarity to what CLEARFLOW, Inc actually does, not by market-cap band.
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ClearFlow, Inc. is a medical device company that develops and manufactures innovative devices to reduce complications after cardiothoracic surgery.
CLEARFLOW, Inc is a company headquartered in United States. It has raised at least $46.2M across the 8 funding rounds on record, 7 of them with a disclosed amount. Its most recent funding round raised $2.1M in July 2025. Xcout tracks 13 named people at CLEARFLOW, Inc, including Hannah Beathard (Chief Executive Officer).
7 more named people on record for CLEARFLOW, Inc, with roles, board committees and tenure — see the full roster →
At least $46.2M raised across the 8 rounds on record (7 with a disclosed amount). The 5 most recent:
| Date | Round | Amount | Investors |
|---|---|---|---|
| SEC Form D filing | $2.1M | — | |
| SEC Form D filing | $2.3M | — | |
| SEC Form D filing | $7.5M | — | |
| SEC Form D filing | $7.6M | — | |
| SEC Form D filing | $12.5M | — |
Who invested in each round, lead investors, valuations and the co-investor graph — open the full funding history →
Ranked by semantic similarity — how close each company is to CLEARFLOW, Inc by what it does, using Xcout's live company graph. Click any company for its full profile, or its competitor set.
Close match by what they do
Cardio Flow, Inc. is a privately held medical device development company located in Minnesota that designs and develops minimally invasive peripheral vascular medical equipment.
MedTech
Brightflow Medical is an innovative medical technology startup located in Paris, France, dedicated to developing cardiovascular medical devices and therapeutic solutions.
Medical Technology
CorFlow Therapeutics AG is a clinical-stage medical device company headquartered in Baar, Switzerland, with subsidiary operations in Italy and the United States. The company focuses on transforming the diagnosis and treatment of coronary microvascular disorders through technologies like the CoFI-System.
Medical Devices
Cardiothoracic Systems is headquartered in Natick, Massachusetts, and operates within the surgical devices industry. The company designs, develops, and manufactures surgical products and systems specifically for minimally invasive cardiac surgery.
Manufacturing
Coreflow develops, manufactures, and markets high-precision industrial handling, conveying, and processing systems utilizing non-contact air floating solutions for flat panel display, semiconductor, and photovoltaic equipment manufacturers.
Close match by what they do
Prana Thoracic, Inc. is a medical device company based in Houston, Texas, specializing in the development of minimally invasive surgical tools and lung-related therapeutic devices. The company advances innovative medical solutions through subsidiaries such as Nucore Medical, Inc.
Medical Devices
BioVentrix, Inc. is a privately held specialty medical device company headquartered in Mansfield, Massachusetts. The firm serves cardiothoracic surgeons and patients by developing lifesaving therapies for heart failure.
Medical Technology
Slipstream Solutions, LLC is an early-stage medical technology company that has developed the Freeflow System to deliver Contactless Fluid Clearance (CFC) Therapy. The therapy is designed to manage recovery by promoting lymphatic and venous fluid clearance to reduce swelling, inflammation, and pain for patients across clinical medicine, cancer support, post-operative care, and elite athletic performance.
Medical Devices
Free Flow Medical, Inc. is a privately held medical device research and development company headquartered in Fremont, California, holding over 25 patents.
Medical Devices
Esculon, Inc. is a medical device company based in Omaha, Nebraska, that develops cardiothoracic post-operative equipment for patient monitoring and surgical care.
Medical Devices
Corfigo develops medical devices for cardiac surgery, specifically the HeartPad XLT Cryoablation System. The system utilizes liquid helium cryothermal energy to ablate diseased cardiac tissue from the heart's outer surface while protecting adjacent structures.
Close match by what they do
Pleural Dynamics, Inc. is a privately held medical device company based in Wayzata, Minnesota, that provides fully implantable solutions for aseptic pleural effusions.
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