Attachment device and method
First Claim
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1. A method for attaching a pump to a heart for assisting blood flow comprising:
- attaching a diaphragm valve to the heart;
creating an opening in the heart in fluid communication with the valve; and
placing an inflow conduit in fluid communication with the heart, wherein placing the inflow conduit comprises passing the inflow conduit through the valve.
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Abstract
A ventricular assist system and a method of implanting the system are disclosed. The system can have a pump, an inflow conduit, an outflow conduit, and attachment ring and a valvular structure. The attachment ring can be attached to the apex of the heart. The valvular structure can have a flexible, one-way valve in a rigid housing. The inflow conduit can be passed through the valvular structure and the attachment ring into a beating heart with minimal loss of blood.
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Citations
20 Claims
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1. A method for attaching a pump to a heart for assisting blood flow comprising:
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attaching a diaphragm valve to the heart; creating an opening in the heart in fluid communication with the valve; and placing an inflow conduit in fluid communication with the heart, wherein placing the inflow conduit comprises passing the inflow conduit through the valve. - View Dependent Claims (2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13)
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14. An apparatus configured to attach a pump to a heart for assisting blood flow comprising:
a diaphragm valve configured to minimize blood flow out of the heart. - View Dependent Claims (15, 16, 17, 18, 19)
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20. An implantation system for implanting a heart assist device for use in a patient comprising:
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an inflow conduit; and a diaphragm valve attachable to the inflow conduit, wherein the valve allows substantial flow in a first direction and insubstantial flow in a second direction opposite to the first direction; wherein the inflow conduit is configured to pass through the valve and to be in fluid communication with the heart.
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Specification