[특허]Method and apparatus for releasing a controlled amount of aerosol medication over a selectable time interval

Method and apparatus for releasing a controlled amount of aerosol medication over a selectable time interval 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-011/00
출원번호	US-0011351 (1993-01-29)
발명자 / 주소	Johansson Eric T. (Dublin CA) Ritson Carl (San Jose CA) Rubsamen Reid M. (Berkeley CA)
출원인 / 주소	Aradigm (Hayward CA 02)
인용정보	피인용 횟수 : 152 인용 특허 : 0

초록 ▼

A portable, battery powered, hand-held system for releasing a controlled dose of aerosol medication for inhalation by a patient including a durable body and a medication cassette inserted in the durable body. The cassette includes a housing for containing a canister of medication, bears an identification code, and permits the canister to be manually depressed to release a dose, e.g., a metered dose, when out of the durable body. The durable body includes an actuator mechanism for engaging an inserted cassette and its canister, and an actuator release mechanism for controlling the actuator mechanism to depress the canister for a selected period of time to release the desired dose of medication and then the release the canister. The actuator mechanism, includes a compression spring for depressing the canister and a torsion spring for reloading the compression spring. The torsion spring is reloaded by rotating the cassette from an open position for delivering aerosol to a closed position. The actuator release mechanism includes a motor and trigger pin assembly that controls the release of the compression spring and the torsion spring, and, hence, the time that the canister is depressed. The motor operates in response to sensed flow satisfying a selected delivery threshold. The durable body includes a flow sensor having an asymmetrical orifice that is calibrated, independent of the cassette, to convert the sensed pressure due to flow into a flow rate. The orifice is separately calibrated for an inhalation flow rate range and an exhalation flow rate range over a selected number of known flow rates. The sensed pressure value is corrected for transducer offset drift and converted to a flow rate using the calibration data and piecewise linear interpolation.

대표청구항 ▼

Apparatus for providing a timed release of an amount of aerosol medication comprising: a flow sensor for detecting inspiratory flow; a canister of medication having a body and a valve stem, the valve stem being spring biased closed and depressible relative to the canister body to open and release a dose of aerosol medication; a housing having a valve stem receptacle for receiving the valve stem and a nozzle for releasing an aerosol into an inhalation flow path, the valve stem receptacle having an inner dimension terminating in the nozzle; a drive element for depressing the canister body relative to the valve stem receptacle, thereby to release a dose of aerosol medication; a release actuator for moving the drive element to depress the canister body relative to the valve stem receptacle and maintain the body depressed for a selected period of time so that a controlled dose of medication is released through the valve stem receptacle inner dimension and out the nozzle; a first compression spring fixed at one end and secured to the drive element and movable from a loaded condition to a released condition for moving the drive element to depress the canister body; a second spring fixed at one end and secured to the drive element and moveable from a loaded condition to a released condition for allowing the drive element to release the canister body from a depressed condition; a trigger pin having a first position for maintaining the first and second springs in the loaded condition, a second position for allowing the first spring to release and maintaining the second spring in a loaded condition, and a third position for allowing the second spring to release; a motor for allowing the pin to move from the first to the second to the third positions; and means for operating the motor so that the trigger pin is maintained in the second position for the selected period of time.

이 특허를 인용한 특허 (152)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Method and apparatus for releasing a controlled amount of aerosol medication over a selectable time interval 원문보기

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Method and apparatus for releasing a controlled amount of aerosol medication over a selectable time interval 원문보기

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