Surgery – Respiratory method or device – Ozone or ion generation
Patent
1980-05-21
1982-02-23
Yasko, John D.
Surgery
Respiratory method or device
Ozone or ion generation
128221, A61M 500
Patent
active
043164625
ABSTRACT:
A filtering device for an injection device which includes a syringe and a needle affixed to the syringe. The filtering device comprises an elongated hollow tubular element mounted on the medical injection device to surround and sealingly enclose the needle. The end of a tubular element remote from the tip of the needle is open for the introduction of fluids therethrough into the hollow interior of the tubular element. A nonfiber releasing filtering member for filtering fluids is provided which includes a central filtering portion corresponding in size to the size of the opening of the end of the tubular element and outer peripheral portion surrounding the central filtering portion. A securing sleeve is provided for securing the filtering member to the tubular element at the open end thereof. The sleeve is mounted to the tubular element at the end thereof remote from the syringe, and the sleeve and the tubular element include respective mating surfaces for securing the peripheral portion of the filtering member between the sleeve and of the tubular element. In this manner, only filtered fluids will be drawn into the hollow interior of the tubular element through the open end thereof. The tubular element is removably mounted on the injection device so as to be removable therefrom to expose the needle after filtered fluid has been introduced into the syringe.
REFERENCES:
patent: 2626603 (1953-01-01), Gabriel
patent: 3008570 (1961-11-01), Roehr et al.
patent: 3306291 (1967-02-01), Burke
patent: 4137917 (1979-02-01), Cohen
patent: 4180071 (1979-12-01), Oiwa
Siloam, Inc.
Yasko John D.
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