2 results
Approved WMOCompleted
The objective of this study is to evaluate the safety and device performance of the Portaero Pneumostoma System to create and maintain a transthoracic pneumostoma in patients with severe emphysema and hyperinflation.
Approved WMORecruiting
Safety and performance will be based on a comparison of overall success rates of the Barricaid ARDand either a concurrent group (nonrandomized) of control patients treated by conventional surgicalmethods (e.g., noninstrumented discectomy) at select…