Surgery – Respiratory method or device – Ozone or ion generation
Patent
1978-06-07
1980-05-27
Artis, Henry K.
Surgery
Respiratory method or device
Ozone or ion generation
128214F, 222249, 2223865, A61M 500, A61M 521
Patent
active
042045380
ABSTRACT:
A cassette provides for a controlled introduction of fluid from a source to a patient. It includes a block and a chamber in the block. Separating means such as a diaphragm are movable in the chamber to define first and second compartments each having a variable volume in accordance with such movement. A transducer is movable with the separating means. The transducer may include a coil disposed on the block and a magnetic rod magnetically coupled to the coil and movable with the separating means to vary the inductance of the coil.
Input and output lines are provided in the block. One of the lines in a first pair communicates with the input line and the first compartment and the other line in the first pair communicates with the second compartment and the output line. One of the lines in a second pair communicates with the input line and the second compartment and the other line in the second pair communicates with the first compartment and the output line. Control means provide alternately for a blocking of the second pair of lines and an opening of the first pair of lines and at other times for a blocking of the first pair of lines and an opening of the second pair of lines.
REFERENCES:
patent: 71865 (1867-12-01), Fitzgeralds
patent: 1782704 (1930-11-01), Woodruff
patent: 3486539 (1969-12-01), Jacuzzi
patent: 3838794 (1974-10-01), Cogley et al.
patent: 3894538 (1975-07-01), Richter
patent: 3985133 (1976-10-01), Jenkin et al.
patent: 4041944 (1977-08-01), Rhodes
patent: 4112947 (1978-09-01), Nehring
patent: 4121584 (1978-10-01), Turner et al.
patent: 4142523 (1979-03-01), Stegeman
Artis Henry K.
Imed Corporation
Roston Ellsworth R.
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