[특허]Infusion medium delivery device and method with drive device for driving plunger in reservoir

Infusion medium delivery device and method with drive device for driving plunger in reservoir 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-001/00 A61M-005/00
출원번호	UP-0604171 (2006-11-22)
등록번호	US-7736344 (2010-07-05)
발명자 / 주소	Moberg, Sheldon B. Hanson, Ian B. Bente, IV, Paul F. Tieck, Ruth Marie Kavazov, Julian D. Mounce, R. Paul
출원인 / 주소	Medtronic Minimed, Inc.
대리인 / 주소	Foley & Lardner LLP
인용정보	피인용 횟수 : 108 인용 특허 : 0

초록 ▼

A delivery device includes a durable housing portion and a separable disposable portion that selectively engage and disengage from each other. The disposable housing portion secures to the patient-user and may be disposed of after it has been in use for a prescribed period. Components that normally come into contact with a patient-user or with infusion medium are supported by the disposable housing portion, while the durable housing portion supports other components such as electronics and a drive device. A reservoir is supported by the disposable housing portion and has a moveable plunger that operatively couples to the drive device, when the disposable and durable housing portions are engaged.

대표청구항 ▼

What is claimed is: 1. A delivery device for delivering an infusion medium to a user, the device comprising: a disposable housing portion adapted to be secured to a user; a durable housing portion configured to be selectively engaged with and disengaged from the disposable housing portion to allow disposal of the disposable housing portion without disposing of the durable housing portion; a reservoir supported by the disposable housing portion, the reservoir having an interior for containing a fluidic medium and a plunger moveable within the interior of the reservoir along an axial direction of the reservoir; a slide member supported by the durable housing portion, the slide member having an end for engaging the plunger when the disposable housing portion and durable housing portion are engaged, the slide member further having an engagement surface for contacting and engaging a drive surface of a piezoelectric stack drive device; a shaft supported by the durable housing portion, the shaft extending along the engagement surface of the slide member; and a piezoelectric stack drive device supported by the shaft and the piezoelectric stack drive device arranged to be located between the engagement surface of the slide member and the shaft to selectively move the slide member in the axial direction of the reservoir when the disposable housing portion and durable housing portion are engaged; wherein movement of the slide member by operation of the piezoelectric stack drive device is transferred to movement of the plunger in the axial direction of the reservoir, when the slide member is engaged with the plunger. 2. A delivery device according to claim 1, wherein the plunger has an outer peripheral surface and at least one seal arranged around the outer peripheral surface, for inhibiting the passage of infusion medium between the outer peripheral surface of the plunger and an interior surface of the reservoir. 3. A delivery device according to claim 1, wherein the slide member extends through an aperture in the durable housing portion and wherein at least one seal member is provided around the aperture. 4. A delivery device according to claim 1, wherein the slide member comprises a tube structure having a hollow, generally cylindrical interior and wherein the engagement surface of the slide member comprises at least a portion of an interior surface of the tube structure. 5. A delivery device according to claim 1, wherein the slide member comprises a tube structure having a hollow, generally cylindrical interior and wherein the piezoelectric stack drive device is supported by the shaft at a location at least partially within the generally cylindrical interior of the tube structure. 6. A delivery device according to claim 1, wherein the slide member comprises a tube structure having a hollow, generally cylindrical interior and wherein the shaft extends at least partially into the generally cylindrical interior of the tube structure. 7. A delivery device according to claim 6, wherein the shaft supports the piezoelectric stack drive device at least partially within the generally cylindrical interior of the tube structure. 8. A delivery device according to claim 7, wherein the shaft has a longitudinal dimension that extends in a direction parallel with the axial direction of the reservoir. 9. A delivery device according to claim 6, wherein the shaft has a longitudinal dimension that extends in a direction parallel with the axial direction of the reservoir. 10. A delivery device according to claim 1, wherein the shaft has a longitudinal dimension that extends in a direction parallel with the axial direction of the reservoir. 11. A method of making a delivery device for delivering an infusion medium to a user, the method comprising: providing a first housing portion adapted to be secured to a user; providing a second housing portion configured to be selectively engaged with and disengaged from the first housing portion to allow disposal of the first housing portion without disposing of the second housing portion; supporting a reservoir on the first housing portion, the reservoir having an interior for containing a fluidic medium; arranging a plunger within the interior of the reservoir and moveable along an axial direction of the reservoir; supporting a slide member on the second housing portion in a position at which an end of the slide member engages the plunger when the disposable housing portion and durable housing portion are engaged, the slide member further having an engagement surface for contacting and engaging a drive surface of a piezoelectric stack drive device; supporting a shaft on the durable housing portion in a position at which the shaft extends along the engagement surface of the slide member; and supporting a piezoelectric stack drive device on the shaft in a position between the the engagement surface of the slide member and the shaft to selectively move the slide member in the axial direction of the reservoir when the second housing portion and the first housing portion are engaged; wherein movement of the slide member by operation of the piezoelectric stack drive device is transferred to movement of the plunger in the axial direction of the reservoir, when the slide member is engaged with the plunger. 12. A method according to claim 11, further comprising arranging at least one seal arranged around an outer peripheral surface of the plunger, for inhibiting the passage of infusion medium between the outer peripheral surface of the plunger and an interior surface of the reservoir. 13. A method according to claim 11, further comprising extending the slide member extends through an aperture in the durable housing portion and arranging at least one seal member around the aperture. 14. A method according to claim 11, wherein supporting a slide member comprises supporting a tube structure on the second housing portion, the tube structure having a hollow, generally cylindrical interior and wherein the engagement surface of the slide member comprises at least a portion of an interior surface of the tube structure.

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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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Infusion medium delivery device and method with drive device for driving plunger in reservoir 원문보기

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연구과제 타임라인

이 특허를 인용한 특허 (108)

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연합인증

Infusion medium delivery device and method with drive device for driving plunger in reservoir 원문보기

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