FLASH EVD System (10-0002)

The FLASH EVD System is a Class II stereotactic instrument utilizing image guidance for precise neurosurgical instrument positioning, specifically designed for external ventricular drainage (EVD) catheter placement without requiring rigid patient fixation. Its substantial equivalence determination, demonstrating safety and effectiveness, was achieved through comprehensive non-clinical verification and validation activities, including rigorous testing and surgical simulations.

The FLASH EVD System, developed by 7D Surgical ULC, is a Class II stereotactic instrument designed to provide image guidance for the precise spatial positioning and orientation of neurosurgical instruments. It is specifically indicated for cranial surgery, particularly for the image-guided placement of external ventricular drainage (EVD) catheters to relieve elevated intracranial pressure. A notable feature is its ability to operate where a rigid anatomical structure can be identified, without requiring rigid fixation of the patient or a navigated instrument guide. The system's substantial equivalence determination was based on its similar intended use, technological characteristics, and functionality compared to a previously established predicate device. Comprehensive non-clinical verification and validation activities, including rigorous system, software, and instrumentation testing, surgical simulations on phantom models, and sterilization validation, supported its safety and effectiveness. The system demonstrated compliance with numerous recognized standards for biocompatibility, usability, product safety, and accuracy, confirming its performance without the need for additional clinical trials.

AI Regulatory Concerns

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Jev reads the full FDA letter and returns calibrated concern probabilities per regulatory category. These are AI estimates, not regulatory advice.

• Q1. What specific technological characteristics differentiate the FLASH EVD System's image guidance from its predicate device, and how do these contribute to its stated advantages like not requiring rigid patient fixation?; Could the non-clinical surgical simulations on phantom models fully replicate the challenges of varying patient anatomies or unexpected intraoperative shifts, and what was the achieved accuracy?; What are the long-term performance and reliability data for the FLASH EVD System, particularly regarding software stability and instrument calibration drift in a clinical setting?; While clinical trials were not required for equivalence, are there plans for post-market surveillance or observational studies to gather real-world effectiveness and safety data?; How does the system ensure robust identification of a 'rigid anatomical structure' in all cranial surgery scenarios, and what are the limitations or potential failure modes if such a structure is compromised or difficult to identify?