Protaryx Medical Gets FDA Clearance for Cardiac Access Device
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Protaryx Medical Receives FDA 510(k) Clearance for Breakthrough Transseptal Device

Clearance supports U.S. rollout of a zero-exchange system for left-heart access

4/13/2026
Ghita Khalfaoui
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Protaryx Medical, a Baltimore-based company, has received U.S. Food and Drug Administration (FDA) clearance for its innovative transseptal access system. This milestone advances the company's mission to redefine left heart access for cardiac interventions. The clearance enables broader adoption of minimally invasive therapies by improving safety, efficiency, and reproducibility in complex procedures.


Advancing Cardiac Procedures with Innovative Design

The system is engineered for zero-exchange delivery, featuring a unique atraumatic design that streamlines the clinical workflow. This approach reduces procedural steps and eliminates the need for rewiring during interventions. Consequently, physicians can expect enhanced efficiency and a more simplified process when accessing the left side of the heart.

At the device's core is a highly echogenic, extendable positioning probe designed for superior visibility under imaging. It also incorporates a standardized radiofrequency (RF) guidewire compatible with commercially available electrosurgical generators. This compatibility ensures seamless integration into existing hospital infrastructure, facilitating easier adoption by medical teams.

Enhancing Precision and Patient Safety

A key advantage of the Protaryx system is its ability to enable precise, site-specific transseptal puncture. This capability is critical for optimizing the access and positioning required for various cardiac interventions. Achieving the ideal puncture location is fundamental to the success of subsequent therapeutic device delivery and placement.

By ensuring optimal device alignment, the technology helps mitigate procedural complexity and reduces the risk of clinical complications. Suboptimal access can lead to significant challenges during a procedure, and this system is designed to address that issue. This focus on precision ultimately contributes to improved patient safety and better overall outcomes.

Clinical Validation and Expert Endorsements

The FDA clearance was supported by positive results from an early First-in-Human clinical study. In this trial involving five patients, the device demonstrated a 100% procedural success rate with no device-related adverse events. The study also noted minimal crossing times and reduced fluoroscopic exposure, underscoring its efficiency and safety profile.

Dr. James Gammie, Protaryx co-founder and System Chief of Cardiac Surgery at Johns Hopkins Medicine, commented on the achievement. He stated the clearance underscores the technology's potential to establish a new standard for transseptal puncture. Dr. Gammie believes that by simplifying left atrial access, the device will expand procedural adoption while enhancing safety.

Dr. Gagan Singh, an interventional cardiologist at UC Davis Health who participated in the study, also praised the device. He highlighted its superior echogenicity, atraumatic design, and overall ease of use as key benefits. Dr. Singh noted these features could significantly reduce the learning curve and enable more targeted, efficient procedures.

Path to Commercialization

Following this regulatory clearance, Protaryx Medical is preparing to launch its system in the United States. The company plans to initiate a focused commercialization effort and work to expand clinical adoption among cardiac specialists. This strategy aims to support physicians in delivering the next generation of advanced cardiac therapies.


The FDA clearance for the Protaryx transseptal access system is a pivotal moment for interventional cardiology. This technology is poised to enhance the safety and efficiency of minimally invasive cardiac procedures by providing a more reliable method for left heart access. Ultimately, its adoption could lead to improved procedural outcomes and better care for patients with complex heart conditions.