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-005/14
A61M-005/142
A61M-005/145
A61M-005/50
출원번호
US-0971771
(2013-08-20)
등록번호
US-9199030
(2015-12-01)
발명자
/ 주소
Mounce, R. Paul
Norton, Melissa D.
Bente, IV, Paul F.
Hanson, Ian B.
Moberg, Sheldon B.
Kovelman, Paul H.
출원인 / 주소
Medtronic MiniMed, Inc.
대리인 / 주소
Foley & Lardner LLP
인용정보
피인용 횟수 :
0인용 특허 :
121
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▼
1. A medical device for delivering an infusion medium to a user, the medical 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 connected t
1. A medical device for delivering an infusion medium to a user, the medical 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 connected to one of the first and second housing portions;at least one of a drive device or a needle inserting device supported by the other of the first and second housing portions relative to the respective housing portion to which the reservoir is connected, such that upon the first and second housing portions being operatively engaged, the reservoir is operatively coupled to at least one of the drive device or the needle inserting device;a first magnet supported on the first housing portion; anda 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 improperly aligned when brought toward each other for operative engagement;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. 2. The medical device according to claim 1, wherein the second magnet is supported on the second housing portion in a position to repel the first magnet upon the first and second housing portions being improperly aligned when brought toward each other for operative engagement. 3. The medical device according to claim 1, wherein one of the first magnet and the second magnet is arranged closer to a center position of the first housing portion than the other of the first magnet and the second magnet to a center position of the second housing portion. 4. The medical device according to claim 1, 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, when the first and second housing portions are not properly aligned when brought toward each other for operative engagement. 5. The medical device according to claim 1, wherein the first and second magnets are positioned laterally offset from each other upon the first and second housing portions being operatively engaged. 6. The medical 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. 7. The medical device according to claim 6, wherein the first surface and the corresponding surface each comprise a sloping surface. 8. The medical device according to claim 7, 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. 9. The medical device according to claim 1, wherein when the first housing portion and the second housing portion are in a first state of engagement, the first magnet is supported on the first housing portion in alignment with the second magnet;wherein when the first housing portion and the second housing portion are in a second state of engagement, the first magnet is supported on the first housing portion in a position that is laterally offset from the second magnet. 10. The medical device according to claim 9, wherein the second state of engagement corresponds to a proper operative engagement of the first housing portion and the second housing portion. 11. The medical device according to claim 1, wherein one or more of the first magnet or the second magnet is configured to inhibit vertical alignment between each other. 12. The medical device according to claim 1, the device further comprising: at least one of a third magnet or an attractive material supported on the second housing portion in a position to magnetically interact with the first magnet upon the first housing portion and the second housing portion being operatively engaged;wherein the first magnet is configured to be attracted to the at least one of the third magnet or the attractive material. 13. The medical device according to claim 1, the device further comprising: a magnet-responsive device supported on the second housing portion in a position to magnetically interact with the first magnet upon the first housing portion and the second housing portion being operatively engaged. 14. The medical device according to claim 13, wherein the first magnet is configured to magnetically interact with the magnet-responsive device when the first magnet contacts the magnet-responsive device or a magnetically attractive material adjacent the magnet-responsive device. 15. The medical device according to claim 13, wherein the first magnet is configured to be attracted to at least one of the magnet-responsive device and a magnetically attractive material adjacent the magnet-responsive device. 16. The medical device according to claim 1, wherein the first housing portion and the second housing portion are moveable relative to each other in a first direction, to selectively operatively engage with or disengage from each other;the first and second magnets are offset relative to each other along a direction transverse to the first direction, when the first housing portion and the second housing portion are operatively engaged with each other. 17. The medical device according to claim 1, wherein the first housing portion and the second housing portion are moveable toward or away from each other in a first direction, to selectively operatively engage with or disengage from each other;the first and second magnets are arranged to repel each other along the first direction, when the first housing portion and the second housing portion are improperly aligned when moved toward each other for operative engagement. 18. The medical device according to claim 17, wherein the first and second magnets are offset relative to each other along a direction transverse to the first direction, when the first housing portion and the second housing portion are operatively engaged with each other. 19. A medical device for delivering an infusion medium to a user, the medical 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 connected to one of the first and second housing portions;at least one of a drive device or a needle inserting device supported by the other of the first and second housing portions relative to the respective housing portion to which the reservoir is connected, such that upon the first and second housing portions being operatively engaged, the reservoir is operatively coupled to at least one of the drive device or the needle inserting device;a first magnet supported on the first housing portion; anda 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 improperly aligned when brought toward each other for operative engagement;wherein each of the first magnet and the second magnet has a pole that faces a pole of the other of the first magnet and the second magnet when the first and second housing portions are improperly aligned when brought toward each other for operative engagement; andwherein the facing poles of the first magnet and the second magnet are of the same polarity such that the first magnet and second magnet mutually repel each other upon the first and second housing portions being improperly aligned when brought toward each other for operative engagement. 20. A medical device for delivering an infusion medium to a user, the medical 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 or a needle inserting device supported by the other of the first and second housing portions relative to the respective housing portion that supports the reservoir, such that upon the first and second housing portions being operatively engaged, the reservoir is operatively coupled to at least one of the drive device and the needle inserting device;a first magnet supported on the first housing portion; anda second magnet supported on the second housing portion in a position to repel the first magnet upon the first and second housing portions being improperly aligned when brought toward each other for operative engagement.
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