DUCT FOR VENTRICULAR-ASSISTANCE DEVICE
First Claim
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1. A duct for carrying blood for ventricular-assistance devices, said duct comprising:
- a tubular body and an end having coupled thereto a valve for enabling a flow of blood unidirectionally in the duct;
said valve having an annular reinforcement and said end of the duct provided with a slot for receiving an annular reinforcement of said valve; and
said end and said tubular body of the duct being provided, upstream and downstream of the annular reinforcement of the valve, with a continuous internal coating of haemocompatible material.
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Abstract
A duct for carrying blood for ventricular-assistance devices (VADs) has a tubular body and an end having associated thereto a valve for enabling the flow of blood unidirectionally in the duct. The valve has an annular reinforcement, and the end of the duct is provided with a slot for receiving the annular reinforcement of the valve with the reinforcement in a retracted position in said slot. The aforesaid end and the aforesaid tubular body of the duct are provided with a continuous coating of haemocompatible material, such as a polyurethane.
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Citations
19 Claims
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1. A duct for carrying blood for ventricular-assistance devices, said duct comprising:
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a tubular body and an end having coupled thereto a valve for enabling a flow of blood unidirectionally in the duct; said valve having an annular reinforcement and said end of the duct provided with a slot for receiving an annular reinforcement of said valve; and said end and said tubular body of the duct being provided, upstream and downstream of the annular reinforcement of the valve, with a continuous internal coating of haemocompatible material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification