Surgery – Respiratory method or device – Ozone or ion generation
Patent
1980-07-11
1982-01-12
Cintins, Ivars C.
Surgery
Respiratory method or device
Ozone or ion generation
210266, 210282, 210927, B01D 2700
Patent
active
043099920
ABSTRACT:
A method and apparatus for removing living microorganisms from fluid to be introduced in vivo, wherein the fluid is passed through a filter comprising a tubular passage having a plurality of filter elements coated with a microbicidal material, e.g., silver. In one embodiment, the filter element is hermetically sealed until attached by the patient to the external end of a cannula or other body-penetrating apparatus. In addition, an embodiment is disclosed wherein the filter is integral with the external portion of the cannula or other body-penetrating apparatus and has a removable top for removing and replacing spent filter elements, which may be done under sterile hospital conditions and the top re-sealed in place. A further embodiment is in the form of an auxiliary filter element which may be placed on the external end of the body-penetrating apparatus in a medically sterile environment, e.g., a hospital or doctor's office, and adapted to be attached to the discharge of a filter element when self-applied by a patient, in order to remove any microorganisms collected in the self-applied filter, downstream of the microbicidal filter elements, between uses of the self-applied filter by the patient.
REFERENCES:
patent: 1432351 (1922-10-01), McGahan
patent: 3901808 (1975-08-01), Bokros
patent: 4045553 (1977-08-01), Mitsumori et al.
patent: 4048064 (1977-09-01), Clark
Dodak Michael J.
Whitlock Charles R.
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