Ambulatory lung assist device with implanted blood pump and oxygenator
First Claim
1. A portable lung assist system comprising:
- a blood pump having a pump outlet and a pump inlet configured for communication with a circulatory system of a mammalian subject at an inlet location, the blood pump being carriable by the mammalian subject;
an external, portable blood oxygenator for supplementing an action of the mammalian subject'"'"'s lungs having a blood inlet releasably connectable to the pump outlet and a blood outlet releasably connectable to the circulatory system of the mammalian subject at a return location; and
a bypass conduit connectable to the pump outlet and to the circulatory system at the return location.
1 Assignment
0 Petitions
Accused Products
Abstract
The present disclosure provides a system for oxygenating blood. The system may include an implantable blood pump that may draw a supply of blood from the circulatory system of a mammalian subject, such as a human being. The blood pump may provide the supply of blood to an adaptor, where the supply of blood may be supplied to either or both of a first branch or second branch. The first branch may lead to an external blood oxygenator. The oxygenator may oxygenate the blood, and the blood may be returned to the circulatory system of the mammalian subject. The second branch may bypass the oxygenator and may connect to the circulatory system of the mammalian subject. In this regard, while the blood is supplied to the second branch, the oxygenator may be disconnected and blood may be prevented from entering the first branch.
17 Citations
21 Claims
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1. A portable lung assist system comprising:
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a blood pump having a pump outlet and a pump inlet configured for communication with a circulatory system of a mammalian subject at an inlet location, the blood pump being carriable by the mammalian subject; an external, portable blood oxygenator for supplementing an action of the mammalian subject'"'"'s lungs having a blood inlet releasably connectable to the pump outlet and a blood outlet releasably connectable to the circulatory system of the mammalian subject at a return location; and a bypass conduit connectable to the pump outlet and to the circulatory system at the return location. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A portable lung assist system comprising:
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a system inlet and a system return connectable to a circulatory system of a mammalian subject at an inlet location and a return location thereof, respectively; a blood pump having a pump inlet in communication with the system inlet and a pump outlet; a blood bypass having a bypass inlet in communication with the pump outlet, a bypass outlet in communication with the system return, and at least one conduit disposed between the bypass inlet and the bypass outlet and in communication therewith; and a portable blood oxygenator having a blood inlet in communication with the pump outlet and a blood outlet in communication with the system return, the portable blood oxygenator being disconnectable from the lung assist system at a plurality of disconnect locations located downstream of the blood outlet and upstream of the blood inlet. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A method of providing respiratory assistance to a subject comprising:
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directing blood from a system inlet at an inlet location within a circulatory system of the subject through a blood pump, out of the subject, through a portable oxygenator and back to the circulatory system through a return at a return location within the circulatory system; disconnecting the portable oxygenator; directing blood through the blood pump, through a blood bypass and back to the circulatory system through the return at the return location; and reconnecting either the portable oxygenator or a different portable oxygenator. - View Dependent Claims (20, 21)
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Specification