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)
A61K-009/22
A61M-005/178
출원번호
UP-0759725
(2007-06-07)
등록번호
US-7744589
(2010-07-19)
발명자
/ 주소
Mounce, R. Paul
Norton, Melissa D.
Guezuraga, Robert M.
Enegren, Bradley J.
Bente, IV, Paul F.
Hanson, Ian B.
Kavazov, Julian D.
Griffin, Christopher G.
Moberg, Sheldon B.
Holt, Mark D.
Maule, Susie E.
Kovelman, Paul H.
출원인 / 주소
Medtronic Minimed, Inc.
대리인 / 주소
Foley & Lardner LLP
인용정보
피인용 횟수 :
62인용 특허 :
141
초록▼
A delivery device includes first and second housing portions that selectively engage and disengage. A reservoir on one housing portion operatively engages a drive device and/or a needle inserting device on the other housing portion. Upon proper engagement of the housing portions, the reservoir opera
A delivery device includes first and second housing portions that selectively engage and disengage. A reservoir on one housing portion operatively engages a drive device and/or a needle inserting device on the other housing portion. Upon proper engagement of the housing portions, the reservoir operatively couples to the drive device and/or the needle inserting device. A first magnet on the first housing portion and a second magnet (or a magnetically-attractive material) on the second housing portion are positioned to magnetically interact with each other, upon operative engagement of the housing portions. A third magnet on the second housing portion may be opposed to the first magnet to help align the housing portions for connection. A magnet-responsive device may be on one or both housing portions to detect alignment and/or connection of the housing portions.
대표청구항▼
What is claimed is: 1. A delivery device for delivering an infusion medium to a user, the device comprising: a first housing portion adapted to be carried by a user; a second housing portion configured to be selectively operatively engaged with and disengaged from the first housing portion; a reser
What is claimed is: 1. A delivery device for delivering an infusion medium to a user, the device comprising: a first housing portion adapted to be carried by a user; a second housing portion configured to be selectively operatively engaged with and disengaged from the first housing portion; a reservoir supported by one of the first and second housing portions; at least one of a drive device and a needle inserting device supported by the other of the first and second housing portions relative to the housing portion that supports the reservoir, such that upon the first and second housing portions being operatively engaged, the reservoir is operatively coupled to the at least one of a drive device and a needle inserting device; a first pair of magnets including a first magnet supported on the first housing portion and a second magnet supported on the second housing portion in a position to magnetically interact with the first magnet upon the first and second housing portions being operatively engaged; and a third magnet, wherein the first magnet and the third magnet are arranged to repel each other upon the first and second housing portions being improperly aligned when brought toward each other for operative engagement; wherein one of the first magnet and the third magnet is arranged closer to a center position of the first housing portion than the other of the first magnet and the third magnet to a center position of the second housing portion. 2. A delivery device according to claim 1, wherein each of the first and second magnets have a pole that faces a pole of the other of the first and second magnet, when the first and second housing portions are properly aligned and brought together for operative engagement and wherein the facing poles of the first and second magnets are of opposite polarity such that the first and second magnets mutually attract each other upon the first and second housing portions being operatively engaged. 3. A delivery device according to claim 2, further comprising a fourth magnet, wherein each of the third and fourth magnets have a pole that faces a pole of the other of the third and fourth magnet when the first and second housing portions are not properly aligned when brought toward each other for operative engagement, and wherein the facing poles of the third and fourth magnets are of the same polarity such that the third and fourth magnets mutually repel each other upon the first and second housing portions being improperly aligned when brought toward each other for operative engagement. 4. A delivery device according to claim 3, wherein the third and fourth magnets are positioned relative to each other so as to impart a repelling force directed toward properly aligning the first and second housing portions for operative engagement, when the first and second housing portions are not properly aligned when brought toward each other for operative engagement. 5. A delivery device according to claim 3, wherein the third and fourth magnets are positioned laterally offset from each other upon the first and second housing portions being operatively engaged. 6. A delivery device according to claim 1, wherein the first and third magnets are positioned relative to each other so as to impart a repelling force directed toward properly aligning the first and second housing portions for operative engagement, when the first and second housing portions are not properly aligned when brought toward each other for operative engagement. 7. A delivery device according to claim 1, wherein the first and third magnets are positioned laterally offset from each other upon the first and second housing portions being operatively engaged. 8. A delivery device according to claim 1, wherein each of the first and second magnets have a pole that faces a pole of the other of the first and second magnet, when the first and second housing portions are not properly aligned when brought toward each other for operative engagement and wherein the facing poles of the first and second magnets are of the same polarity such that the first and second magnets mutually repel each other upon the first and second housing portions being improperly aligned when brought toward each other for operative engagement. 9. A delivery device according to claim 8, wherein the first and second magnets are positioned relative to each other so as to impart a repelling force directed toward properly aligning the first and second housing portions for operative engagement. 10. A delivery device according to claim 8, wherein the first and second magnets are positioned laterally offset from each other upon the first and second housing portions being operatively engaged. 11. A delivery device according to claim 1, wherein the first housing portion includes a first surface for engaging a corresponding surface on the second housing portion, upon the first and second housing portions being operatively engaged, wherein the first surface of the first housing portion and the corresponding surface on the second housing portion are shaped to mate with each other, upon the first and second housing portions being operatively engaged. 12. A delivery device according to claim 11, wherein the first surface and the corresponding surface each comprise a sloping surface. 13. A delivery device according to claim 12, wherein the sloping first surface and the sloping corresponding surface are arranged to abut and to force the first and second housing portions toward an aligned position for operative engagement, upon the first and second housing portions being brought together for operative engagement. 14. A delivery device according to claim 1, wherein at least one of the first magnet, the second magnet, and the third magnet comprises an electromagnet configured to be selectively activated to magnetically interact with at least one of the other of the at least one of the first magnet, the second magnet, and the third magnet. 15. A delivery device according to claim 1, wherein each of the first magnet and the third magnet have a pole that faces a pole of the other of the first magnet and the third magnet when the first and second housing portions are not properly aligned when brought toward each other for operative engagement, and wherein the facing poles of the first magnet and the third magnet are of the same polarity such that the first magnet and the third magnet mutually repel each other upon the first and second housing portions being improperly aligned when brought toward each other for operative engagement. 16. A delivery device according to claim 1, wherein the at least one of a drive device and a needle inserting device comprises a needle inserting device supported by the other of the first and second housing portions relative to the housing portion that supports the reservoir, such that upon the first and second housing portions being operatively engaged, the reservoir is operatively coupled to the needle inserting device. 17. A delivery device for delivering an infusion medium to a user, the device comprising: a first housing portion adapted to be carried by a user; a second housing portion configured to be selectively operatively engaged with and disengaged from the first housing portion; a reservoir supported by one of the first and second housing portions; at least one of a drive device and a needle inserting device supported by the other of the first and second housing portions relative to the housing portion that supports the reservoir, such that upon the first and second housing portions being operatively engaged, the reservoir is operatively coupled to the at least one of a drive device and a needle inserting device; a first magnet supported on the first housing portion; and a magnet-responsive device supported on the second housing portion in a position to magnetically interact with the first magnet upon the first and second housing portions being operatively engaged; wherein the first magnet is attracted to at least one of the magnet-responsive device and a magnetically attractive material adjacent the magnet-responsive device upon the first and second housing portions being operatively engaged. 18. A delivery device according to claim 17, the magnet-responsive device configured to provide a signal or change a state upon the first and second housing portions being operatively engaged. 19. A delivery device according to claim 18, further comprising a user-perceptible indicator operatively coupled to the magnet-responsive device for providing a user-perceptible indication in response to a signal or changes a state of t9he magnet-responsive device upon the first and second housing portions being operatively engaged. 20. A delivery device according to claim 19, wherein the user-perceptible indication comprises at least one of an audible indication, a visual indication and a tactile indication. 21. A delivery device according to claim 18, wherein at least one of a drive device and a needle inserting device comprises a drive device for selectively driving fluid from the reservoir and wherein the delivery device further comprises control electronics operatively coupled to the magnetically-responsive device, for controlling the drive device dependent upon the signal from or state of the magnetically responsive device. 22. A delivery device according to claim 21, wherein the control electronics is configured to inhibit operation of the drive device unless the signal from or state of the magnetically-responsive device corresponds to the signal or state when the first and second housing portions are operatively engaged. 23. A delivery device according to claim 17, wherein the magnetically attractive material is not self-magnetizeable. 24. A delivery device according to claim 17, wherein the first magnet is attracted to contact at least one of the magnet-responsive device and a magnetically attractive material adjacent the magnet-responsive device upon the first and second housing portions being operatively engaged.
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