Surgery – Respiratory method or device – Ozone or ion generation
Patent
1975-10-08
1978-06-27
Truluck, Dalton L.
Surgery
Respiratory method or device
Ozone or ion generation
128221, A61M 500
Patent
active
040968600
ABSTRACT:
The following specification discloses an encatheter adapted for biaxial flow for receipt of a syringe at one end with a main axial passage interconnecting a plastic or teflon insertion conduit at the other end adapted for placement in a blood vessel with a needle. The hub in its main axial passage, has a flapper or one way control valve, that can be made of an elastomeric material. The valve is adapted for receiving the needle therethrough for simultaneous insertion of the insertion conduit and the needle within the interior of a blood vessel. The insertion conduit remains within the blood vessel after the needle is removed, at which time a second interior tube is implaced within the insertion conduit through the main axial passage and valve to provide coaxial orientation between the two. Th conduit and tube each respectively connect to a biaxial flow device for branched flow through the device to two rubber tubes. The first tube connected to the conduit allows body fluid to flow to an exterior device for processing, such as a hemodialysis machine, while the second tube returns to the coaxial tube for flow back to the blood vessel after processing the body fluid.
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patent: 3610226 (1971-10-01), Albisser
patent: 3670729 (1972-06-01), Bennett et al.
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patent: 4000739 (1977-01-01), Stevens
patent: 4014333 (1977-03-01), McIntyre
patent: 4016879 (1977-04-01), Mellor
Piazza et al. - Trans. Amer. Soc. Artific. Inter. Orgs., vol. X, Apr. 1964, pp. 136-138.
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