Filtering Means For Suction Tube
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United States of America Patent
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N/A
Issued Date -
Jun 12, 2008
app pub date -
Dec 7, 2006
filing date -
Dec 7, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A filtering means for a suction tube is capable of blocking pollution sources in the air. Such means is mainly made of a tube body. The tube body is formed into an arc and has a first connecting tube and a second connecting tube thereon. A blocking body is received in the first connecting tube for blocking fine particles in the air. Further, an outer cover having a plurality of through holes is provided so as to fix the position of the blocking body. The interior of the second connecting tube is provided with a partition. The surface of the partition is provided with a plurality of gaps thereon. The gaps are formed like a grate to prevent large-sized foreign matters from entering the suction tube. With providing the filtering means on the suction tube, the fine particles contained in the air, the sputa or bacteria contained in the air exhaled by the patient can be blocked when passing through the suction tube.
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