3 results
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.
Primary objective: To assess the level of agreement between the following tests:- The minimal frequency difference necessary to evoke an ACC in normal hearing adults and adults with SNHL (ACC threshold).- The just noticeable frequency differences…
The primary objective of this study is to evaluate the effect (reduction of bleeding on probing) after mechanical debridement alone or treatment with delmopinol or chlorhexidine mouth rinse as an adjunct to mechanical debridement around implants…