Disposable sanitary speculum for timpanic thermometer probe
作者： Kishan G. Hingorani , David B. Phillips , Gary J. O'Hara
DOI:
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摘要: A sanitary protective cover or sheath for the ear canal probe of a tympanic thermometer. The speculum has generally tubular body portion and an infrared transparent membrane attached to sealing forward end portion. While is being injection molded plastic material such polypropylene polyethylene, film similar mated thus severed from one side thereof thermally bonded At same time bonding ring roughly diameter as molded. opposite in alignment with
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