Method and system for closed chest blood flow support

Details Method and system for closed chest blood flow support Method and system for closed chest blood flow support

A - Human Necessities

61

M

A61M 1/10 (2006.01) A61M 1/36 (2006.01) A61M 25/00 (2006.01)

Patent

CA 2421034

A system for assisting flow of blood by a patient's heart. The system includes a transseptal cannula (12) adapted to be inserted percutaneously in the femoral view and extend through the atrial septum from the right atrium to the left atrium. The system includes a blood pump mechanism (30) having a blood pump (316) for pumping blood received from the transseptal cannula (12) that has been oxygenated at a specified flow rates over a range of physiological pressures. The blood pump (316) is connected to the transseptal cannula (12). The system includes a perfusion cannula (100) adapted to be inserted percutaneously in the femoral artery for returning oxygenated blood to the atrial system of the patient. The perfusion cannula (100) is connected to the blood pump (316). A method for assisting blood flow by a patient's heart.

L'invention concerne un système d'aide destiné au débit sanguin à proximité du coeur d'un patient. Le système comprend une canule transseptale (12) conçue pour être introduite de manière percutanée dans la veine fémorale et s'étendant à travers le spectre atrial à partir de l'oreillette droite vers l'oreillette gauche. Le système comprend un mécanisme de pompe à sang (30) renfermant une pompe à sang (316) destinée à pomper le sang reçu à partir de la canule transseptale (12) et ayant été oxygéné à des débits spécifiés dans une plage de pressions physiologiques. La pompe à sang (316) est reliée à la canule transseptale (12). Le système comprend une canule de perfusion (100) conçue pour être introduite de manière percutanée dans l'artère fémorale afin de retourner le sang oxygéné dans le système atrial du patient. La canule de perfusion (100) est reliée à la pompe à sang (316). L'invention concerne également un procédé d'aide destiné au débit sanguin à proximité le coeur d'un patient.

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