| 摘要 |
A filter and/or HME device (1; 20) comprising an upper shell (3; 22) suitable to be connected to ventilation means, a lower shell (4; 23) suitable to be connected to a tracheal or tracheostomy tube of a patient, a filter and/or HME element (7, 8; 31) disposed between the upper shell (3; 22) and the lower shell (4; 23) and a condensation screen (9; 26) disposed in front of the filter and/or HME element (7, 8; 31) and facing said lower shell (4; 23)._The condensation screen (9; 26) has a conical wall (10; 27) extending from the opposite part of the filter and/or HME element (7, 8; 31) to produce, together with a portion (4a; 28) of the lower shell (4 ; 23) a collection chamber (13; 29) for the condensation that forms, and presents a plurality of openings (11; 27a) disposed about an axis of symmetry (A; B) of the conical wall (10; 27). |
