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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0274470 (1994-07-13) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 43 인용 특허 : 0 |
Disclosed is an air tube for use in a spirometer. This air tube is disposable and is at least partially, preferably completely, biodegradable, so that is can be economically produced and discarded after use by a single spirometer user. Cross-patient contamination and expensive sterilization procedur
An air tube for use in a spirometer comprising: a tubular portion defining an open inlet, an open outlet and a hollow space therebetween, and being sized and adapted to be removably coupled to a housing of a spirometer; a resistive element located in said hollow space and being sized and adapted to
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