Aortic catheter with porous aortic root balloon and methods for inducing cardioplegic arrest
First Claim
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1. An aortic catheter comprising:
- an elongated catheter shaft configured for introduction into a patient'"'"'s aorta and having a proximal end and a distal end, a flow control member coupled to said elongated catheter having an expanded diameter sufficient to block blood flow through the patient'"'"'s aortic root when inflated, said flow control member having a distal surface with three lobes extending distally therefrom, said flow control member comprising at least one permeable portion;
whereby a fluid used to inflate said flow control member may seep through said at least one permeable portion.
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Abstract
The present invention relates to a catheter or cannula system that facilitates cardiopulmonary bypass surgeries and enables prolonged circulatory support of the heart. More specifically, the present invention provides an aortic catheter system including a porous aortic root balloon capable of occluding the aorta, delivering cardioplegia and providing tactile feedback and helping to maintain the competency of regurgitant aortic valves.
134 Citations
24 Claims
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1. An aortic catheter comprising:
an elongated catheter shaft configured for introduction into a patient'"'"'s aorta and having a proximal end and a distal end, a flow control member coupled to said elongated catheter having an expanded diameter sufficient to block blood flow through the patient'"'"'s aortic root when inflated, said flow control member having a distal surface with three lobes extending distally therefrom, said flow control member comprising at least one permeable portion;
whereby a fluid used to inflate said flow control member may seep through said at least one permeable portion.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
Specification