Cardioplegia heat exchanger

This invention is cardioplegia heat exchanger including a hollow casing (12) with a heat exchanger (14), and a bubble trap (16). The device also includes an air release port (20). The bubble trap (16) is located at the top of the heat exchanger (14). The device may also have a bubble trap (16) with...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PAUL H. HESS, JEFFREY C. TOY, PAUL D BRINDA
Format:	Patent
Sprache:	eng
Schlagworte:	DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE
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Beschreibung
Zusammenfassung:	This invention is cardioplegia heat exchanger including a hollow casing (12) with a heat exchanger (14), and a bubble trap (16). The device also includes an air release port (20). The bubble trap (16) is located at the top of the heat exchanger (14). The device may also have a bubble trap (16) with a downwardly sloping bottom wall (58), and an air release port (20) positioned downstream of a microporous screen (30). The bubble trap (16) may have a vertical cross-sectional area increasing towards the blood outlet (24), and a drain horizontal cross-sectional area (DCSA) decreasing towards the blood outlet (24). The device has the following ratios: DCSA to the effective heat exchanger cross-sectional area (EHECSA) is from about 3.6 to about 11.8, open cross-sectional area (OCSA) to DCSA is from about 1.4 to about 2.3, and OCSA to EHECSA is from about 8.1 to about 17.0.