Surgery – Respiratory method or device – Ozone or ion generation
Patent
1979-07-23
1981-05-05
Michell, Robert W.
Surgery
Respiratory method or device
Ozone or ion generation
215247, A61J 100
Patent
active
042652421
ABSTRACT:
A filter device for injectable fluids which includes a container in the open end of the device subdivided into a pair of sealed compartments with self sealing members in each compartment communicating the compartments with the interior of the vial, with the self sealing members being responsive to pressure differential between the interior of the vial and the particulate compartments, and filter members in each compartment through which fluid flows during passage between the vial and the compartment.
REFERENCES:
patent: 1206661 (1916-11-01), Booth
patent: 2191447 (1940-02-01), Beardsley
patent: 2393578 (1946-01-01), Waite
patent: 3105613 (1963-10-01), Barton et al.
Kruter J. L.
Michell Robert W.
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