Vascular access device, in particular for purification treatment

Liquid purification or separation – With repair or assembling means

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210240, 21032172, 210424, 13762547, 604248, B01D 1300, A61M 500

Patent

active

048986690

ABSTRACT:
A vascular access device includes a case having a first connection structured to couple with an end of a cut blood vessel such as an artery, a second connection structured to couple with an end of a cut blood vessel such as a vein, and access ports for removal means and admission means to be connected into the blood vessels. A valve is arranged in a rotating manner with two positions defining two independent passages. In a first position the valve establishes connection between the first connection and one of the access ports and between the second connection and the other of the access ports, respectively. The first position is apt for performance of a blood purification treatment. In a second position of the valve, one of the passages establishes mutual connection between the connections and the other of the passages establishes mutual connection between the access ports.

REFERENCES:
patent: 3626938 (1971-12-01), Versaci
patent: 4015601 (1977-04-01), Bokros et al.
patent: 4092983 (1978-06-01), Slivenko
patent: 4108173 (1978-08-01), Slivenko et al.
patent: 4108174 (1978-08-01), Slivenko
patent: 4306545 (1981-12-01), Ivan et al.
patent: 4654033 (1987-03-01), Lapeyre et al.

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