Argyle™ Thora-Seal™ III Chest Drainage Unit
The Argyle™ Thora-Seal™ III chest drainage unit (CDU) is a wet suction CDU used to reestablish negative pressure within the pleural space.
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Product description 
Product description
The Argyle™ Thora-Seal™ III chest drainage unit (CDU) is a wet suction CDU used to reestablish negative pressure within the pleural space. The CDU incorporates three basic chambers: a replaceable collection chamber for monitoring volume, rate, and nature of drainage; a water-seal chamber that acts as a one-way valve, as well as a window into the patient's pleural space; and a suction control chamber to regulate suction and help re-expand the lung.