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公开(公告)号：EP0606450A4
公开(公告)日：1996-06-05
申请号：EP93917203
申请日：1993-07-14
Applicant: BAXTER INT
Inventor： BANCSI JOSEPH A , ELLER CHARLES , FOWLES THOMAS A , GORMAN BRIAN J , HEBRON TERRENCE J , JERSILD CHARLES , JESS DONALD A , WONG JOSEPH C T , WOOD RAY W
CPC classification number: A61M5/1409 , Y10S604/905
Abstract: The present invention provides an improved cannula (22) that can be used to reconstitute powdered drugs in a drug delivery system. Furthermore, the present invention provides a cannula (22) and drug delivery system incorporating same. To this end, the present invention provides a cannula structure for use in a reconstitution of a powdered drug comprising a cannula (22) having a first end (26) and a second end (28), and defining a channel in an interior thereof between the first and second ends (26, 28). The first end (26) is closed and includes a member (27) for piercing a septum (42). The cannula (22) includes at least two slots (50a, 50b) providing fluid communication between the channel and an exterior of the cannula (22). The slots (50a, 50b) are located in juxtaposition to the first end (26) and have a width, as measured along a length of the cannula (22), that is less than a length, as measured around the cannula (22). The slots (50a, 50b) also have a minimum projected area equal to or greater than the cross-sectional area of the channel.
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公开(公告)号：CA2119124A1
公开(公告)日：1994-02-17
申请号：CA2119124
申请日：1993-07-14
Applicant: BAXTER INT
Inventor： BANCSI JOSEPH A , ELLER CHARLES , FOWLES THOMAS A , GORMAN BRIAN J , HEBRON TERRENCE J , JERSILD CHARLES , JESS DONALD A , WONG JOSEPH C T , WOOD RAY W
Abstract: The present invention provides an improved cannula that can be used to reconstitute powdered drugs in a drug delivery system. Furthermore, the present invention provides a cannula and drug delivery system incorporating same. To this end, the present invention provides a cannula structure for use in a reconstitution device for reconstituting a powdered drug comprising a cannula having a first end and a second end, and defining a channel in an interior thereof between the first and second ends. The first end is closed and includes a member for piercing a septum. The cannula includes at least two slots providing fluid communication between the channel and an exterior of the cannula. The slots are located in juxtaposition to the first end and have a width, as measured along a length of the cannula, that is less than a length, as measured around the cannula. The slots also have a minimum projected area equal to or greater than the cross-sectional area of the channel.
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公开(公告)号：AU664770B2
公开(公告)日：1995-11-30
申请号：AU4679493
申请日：1993-07-14
Applicant: BAXTER INT
Inventor： BANCSI JOSEPH A , ELLER CHARLES , FOWLES THOMAS A , GORMAN BRIAN J , HEBRON TERRENCE J , JERSILD CHARLES , JESS DONALD A , WONG JOSEPH C T , WOOD RAY W
Abstract: The present invention provides an improved cannula that can be used to reconstitute powdered drugs in a drug delivery system. Furthermore, the present invention provides a cannula and drug delivery system incorporating same. To this end, the present invention provides a cannula structure for use in a reconstitution device for reconstituting a powdered drug comprising a cannula having a first end and a second end, and defining a channel in an interior thereof between the first and second ends. The first end is closed and includes a member for piercing a septum. The cannula includes at least two slots providing fluid communication between the channel and an exterior of the cannula. The slots are located in juxtaposition to the first end and have a width, as measured along a length of the cannula, that is less than a length, as measured around the cannula. The slots also have a minimum projected area equal to or greater than the cross-sectional area of the channel.
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公开(公告)号：AU4679493A
公开(公告)日：1994-03-03
申请号：AU4679493
申请日：1993-07-14
Applicant: BAXTER INT
Inventor： BANCSI JOSEPH A , ELLER CHARLES , FOWLES THOMAS A , GORMAN BRIAN J , HEBRON TERRENCE J , JERSILD CHARLES , JESS DONALD A , WONG JOSEPH C T , WOOD RAY W
Abstract: The present invention provides an improved cannula that can be used to reconstitute powdered drugs in a drug delivery system. Furthermore, the present invention provides a cannula and drug delivery system incorporating same. To this end, the present invention provides a cannula structure for use in a reconstitution device for reconstituting a powdered drug comprising a cannula having a first end and a second end, and defining a channel in an interior thereof between the first and second ends. The first end is closed and includes a member for piercing a septum. The cannula includes at least two slots providing fluid communication between the channel and an exterior of the cannula. The slots are located in juxtaposition to the first end and have a width, as measured along a length of the cannula, that is less than a length, as measured around the cannula. The slots also have a minimum projected area equal to or greater than the cross-sectional area of the channel.
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