Michael J Dodak, Age 61Wailea, HI
Michael Dodak Phones & Addresses
Kihei, HI
Irvine, CA
Santa Ana, CA
Tustin, CA
Mentions for Michael J Dodak
Publications & IP owners
Us Patents
Microbicidal Filter
US Patent:
4309992, Jan 12, 1982
Filed:
Jul 11, 1980
Appl. No.:
6/167507
Inventors:
Michael J. Dodak - San Clemente CA
Charles R. Whitlock - Granada Hills CA
Charles R. Whitlock - Granada Hills CA
International Classification:
B01D 2700
US Classification:
128213A
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.
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