Calyxo Raises $40 Million for Kidney Stone Treatment Device

The medical device company's CVAC system has now treated over 40,000 patients.

Apr. 14, 2026 at 5:15pm

A photorealistic studio still-life image of a sleek, modern medical device made of polished stainless steel and glass, floating on a clean, monochromatic background and dramatically lit to showcase the advanced technology behind Calyxo's kidney stone treatment system.Calyxo's innovative CVAC system, a non-invasive medical device for treating kidney stones, has now been used to help over 40,000 patients.Pleasanton Today

Calyxo, Inc., a California-based medical device company focused on kidney stone treatment, has announced the closing of a $40 million Series F financing round. The company's CVAC system, which uses a novel approach to treat kidney stones, has now surpassed 40,000 patients treated.

Why it matters

Kidney stones are a common and painful condition that affects millions of people each year. Calyxo's innovative CVAC system provides a new treatment option that could help improve outcomes and reduce the burden on patients and the healthcare system.

The details

The $40 million Series F financing will help Calyxo continue to develop and commercialize its CVAC system, which uses a proprietary approach to break up and remove kidney stones without invasive surgery. The company says the system has now been used to treat over 40,000 patients since its introduction.

  • Calyxo announced the $40 million Series F financing on April 14, 2026.

The players

Calyxo, Inc.

A medical device company focused on developing innovative treatments for kidney stones.

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What’s next

Calyxo plans to use the new funding to further expand the availability and adoption of its CVAC system for kidney stone treatment.

The takeaway

Calyxo's successful Series F funding round and the growing adoption of its CVAC system highlight the continued need for innovative medical technologies to address common health issues like kidney stones.