Apparatus for transferring liquid between a container and a flexible bag

Claim 1

An apparatus for transferring and mixing liquids, comprising: resiliently flexible bag means having a liquid holding chamber and a pair of integral outlet means connected to one end of the chamber; closure means on said outlet means; a liquid within said chamber substantially, but not entirely, filling said chamber and said outlet means so that some air space exists within said bag means; rigid vial means having a transfer needle attached thereto and adapted to communicate with the interior of said vial means, said vial means being totally closed and at least partially filled with a medicament adapted to be mixed with said liquid, said vial means having a perforable closure structure at one end thereof; and said vial means having a sleevelike support member fixedly secured thereto and projecting outwardly from said one end of said vial means in substantial alignment with the perforable closure structure, and said needle being sharpened at both ends and being at least partially disposed and slidably supported by said sleevelike support member, one end of said needle being positioned directly adjacent the perforable closure structure and being insertable therethrough to communicate with the interior of said vial means, the other end of said needle thereafter being insertable through the closure means associated with one of the outlet means of said bag means for permitting communication between said chamber and said vial means; and an actuator sleeve disposed in surrounding relationship to said needle and having one end thereof fixedly connected to a center portion of said needle, the other end of said actuator sleeve being disposed in surrounding relationship to said sleeve-like support member, and detent means coacting between said support member and said sleeve for normally maintaining said sleeve and said needle in a first position wherein the one end thereof is positioned closely adjacent the perforable closure structure, said sleeve being manually slidable from said first position toward said closure structure for causing said one end of said needle to penetrate said closure structure; said bag means being manually collapsible for pumping liquid between said rigid vial means and said bag means through said outlet means and said needle, the flow of liquid being in a downward direction, by alternately compressing and releasing said bag means.

Claim 2

An apparatus for transferring and mixing liquids, comprising: resiliently flexible bag means having a liquid holding chamber and a pair of integral outlet means connected to one end of the chamber; closure means on said outlet means; a liquid within said chamber substantially, but not entirely, filling said chamber and said outlet means so that some air space exists within said bag means; rigid vial means having a transfer needle attached thereto and adapted to communicate with the interior of said vial means, said vial means being totally closed and at least partially filled with a medicament adapted to be mixed with said liquid, said vial means having a perforable closure structure at one end thereof; and said vial means having a sleevelike support member fixedly secured thereto and projecting outwardly from said one end of said vial means in substantial alignment with the perforable closure structure, and said needle being sharpened at both ends and being at least partially disposed and slidably supported by said sleevelike support member, one end of said needle being positioned directly adjacent the perforable closure structure and being insertable therethrough to communicate with the interior of said vial means, the other end of said needle thereafter being insertable through the closure means associated with one of the outlet means of said bag means for permitting communication between said chamber and said vial means; and an actuator sleeve disposed in surrounding relationship to said needle and having one end thereof fixedly connected to a center portion of said needle, the other end of said actuator sleeve being disposed in surrounding relationship to said sleeve-like support member, and detent means coacting between said support member and said sleeve for normally maintaining said sleeve and said needle in a first position wherein the one end thereof is positioned closely adjacent the perforable closure structure, said sleeve being manually slidable from said first position toward said closure structure for causing said one end of said needle to penetrate said closure structure; said bag means being manually collapsible for pumping liquid between said rigid vial means and said bag means through said outlet means and said needle, the flow of liquid being in a downward direction, by alternately compressing and releasing said bag means.

Claim 4

An apparatus for transferring and mixing a liquid and a medicament, comprising: flexible bag means having a liquid holding chamber therein, and a liquid within said chamber substantially, but not entirely, filling said chamber so that some air space exists within said bag means; said bag means including first and second tubular portions fixedly secured thereto and projecting outwardly from one side thereof, said tubular portions communicating with said chamber for permitting liquid to be supplied to or removed therefrom; one of said tubular portions comprising an outlet spout adapted to be connected to an intravenous tube, and means associated with the free end of said outlet spout for normally maintaining same in a closed condition; said other tubular portion comprising an inlet spout, and closure means associated with said inlet spout adjacent the free end thereof for normally sealingly closing same, said closure means including a sealing member fixedly and sealingly engaged with said inlet spout adjacent the free end thereof and extending across the passageway defined within the interior of said spout for cLosing same, said sealing member being constructed of a resilient material permitting penetration thereof by a needle so as to allow communication with said chamber while the resilient material of said sealing member automatically expands to close and seal the aperture formed by the needle after the needle has been withdrawn from the sealing member; rigid vial means having a compartment therein which is at least partially filled with a medicament adapted to be mixed with a liquid, said vial means having a transfer needle mounted thereon and adapted for communication with said compartment, the needle being provided with a pointed end thereon remote from said compartment and being insertable through the sealing member on said inlet spout for providing communication between said compartment and said chamber; said vial means including a perforable resilient closure member at one end thereof for totally closing and sealing said compartment, said needle being pointed at the other end thereof, said other end being normally disposed adjacent said perforable closure member for penetrating same so as to permit said needle to communicate with said compartment, and means mounted on said vial means adjacent said one end thereof and disposed exteriorly of said perforable closure member for slidably supporting said needle while effectively preventing tilting of said needle so as to facilitate penetration of said perforable closure member by said other end of said needle; and said bag means being manually collapsible for pumping liquid between said vial means and said bag means through said inlet spout and said needle, the flow of liquid between said compartment and said chamber being caused by alternately compressing and releasing said bag means.

Claim 5

An apparatus for transferring and mixing a liquid and a medicament, comprising: flexible bag means having a liquid holding chamber therein, and a liquid within said chamber substantially, but not entirely, filling said chamber so that some air space exists within said bag means; said bag means including first and second tubular portions fixedly secured thereto and projecting outwardly from one side thereof, said tubular portions communicating with said chamber for permitting liquid to be supplied to or removed therefrom; one of said tubular portions comprising an outlet spout adapted to be connected to an intravenous tube, and means associated with the free end of said outlet spout for normally maintaining same in a closed condition; said other tubular portion comprising an inlet spout, and closure means associated with said inlet spout adjacent the free end thereof for normally sealingly closing same, said closure means including a sealing member fixedly and sealingly engaged with said inlet spout adjacent the free end thereof and extending across the passageway defined within the interior of said spout for cLosing same, said sealing member being constructed of a resilient material permitting penetration thereof by a needle so as to allow communication with said chamber while the resilient material of said sealing member automatically expands to close and seal the aperture formed by the needle after the needle has been withdrawn from the sealing member; rigid vial means having a compartment therein which is at least partially filled with a medicament adapted to be mixed with a liquid, said vial means having a transfer needle mounted thereon and adapted for communication with said compartment, the needle being provided with a pointed end thereon remote from said compartment and being insertable through the sealing member on said inlet spout for providing communication between said compartment and said chamber; said vial means including a perforable resilient closure member at one end thereof for totally closing and sealing said compartment, said needle being pointed at the other end thereof, said other end being normally disposed adjacent said perforable closure member for penetrating same so as to permit said needle to communicate with said compartment, and means mounted on said vial means adjacent said one end thereof and disposed exteriorly of said perforable closure member for slidably supporting said needle while effectively preventing tilting of said needle so as to facilitate penetration of said perforable closure member by said other end of said needle; and said bag means being manually collapsible for pumping liquid between said vial means and said bag means through said inlet spout and said needle, the flow of liquid between said compartment and said chamber being caused by alternately compressing and releasing said bag means.