Zoll Medical Acquires TherOx


June 18, 2019—Zoll Medical Corporation, an Asahi Kasei Group Company, announced it has acquired TherOx, Inc., a privately held company based in Irvine, California. TherOx is focused on improving the treatment of acute myocardial infarction (AMI) and markets systems to deliver the company's proprietary SuperSaturated Oxygen (SSO2) therapy.

According to Zoll Medical, TherOx's SSO2 therapy, which received FDA approval in April 2019, has been shown to reduce infarct size after primary percutaneous coronary intervention (PCI) with stenting in patients with left anterior descending ST-segment elevation MI.

Immediately after a coronary artery has been opened by PCI, SSO2 therapy delivers a one-time, 60-minute infusion of the patient’s super-oxygenated blood to the targeted ischemic area of the heart through a small catheter. This treatment improves microvascular flow, then restores heart tissue to normal oxygen levels. SSO2 therapy is aligned with current guidelines for interventional cardiology procedures, advised the company.


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Cardiac Interventions Today (ISSN 2572-5955 print and ISSN 2572-5963 online) is a publication dedicated to providing comprehensive coverage of the latest developments in technology, techniques, clinical studies, and regulatory and reimbursement issues in the field of coronary and cardiac interventions. Cardiac Interventions Today premiered in March 2007 and each edition contains a variety of topics in a flexible format, including articles covering various perspectives on current clinical topics, in-depth interviews with expert physicians, overviews of available technologies, industry news, and insights into the issues affecting today's interventional cardiology practices.