The device for the transfer of a medium comprises a magazine (2) and at least one transfer element (3) for transfer of said medium, said transfer element (3) comprising a duct (45) for transfer of said medium provided at one end with a needle (31), a septum (32), and a maneuvering unit (33) of said
The device for the transfer of a medium comprises a magazine (2) and at least one transfer element (3) for transfer of said medium, said transfer element (3) comprising a duct (45) for transfer of said medium provided at one end with a needle (31), a septum (32), and a maneuvering unit (33) of said needle (31), said transfer element (3) also comprising means for locking (61, 65) adapted to cooperate with complementary locking means (15) of said magazine (2) to lock said needle (31) in a waiting position, said locking means (61, 62, 65) belonging to said maneuvering unit (33) and cooperating with said complementary locking means (15) at a location of said magazine (2) distinct from the location through which said duct (45) issues from the cavity (20), at the opposite end from the needle (31).
대표청구항▼
1. A device for the transfer of a medium into or from a container, comprising: a magazine;at least one transfer element for transferring a medium into or from a container through a cavity in the magazine, the transfer element comprising:a transfer duct comprising a needle at one end for transferring
1. A device for the transfer of a medium into or from a container, comprising: a magazine;at least one transfer element for transferring a medium into or from a container through a cavity in the magazine, the transfer element comprising:a transfer duct comprising a needle at one end for transferring the medium;a septum for sealing the container and being pierceable by the needle and;a driving unit for moving the needle from a waiting position in which its point is situated within the cavity to a working position in which its point projects from the cavity through a portion of the septum and extends into the container to enable transfer of the medium;the driving unit comprising a locking means and the magazine comprising a complementary locking means, the locking means and the complementary locking means cooperating, at a location of the magazine that is distinct from the location through which the transfer duct issues from the cavity, to lock the transfer duct and the needle in the waiting position. 2. A device according to claim 1, wherein the locking means and the complementary locking means are adapted to lock the needle in working position. 3. A device according to any one of claim 1 or 2, wherein the locking means and the complementary locking means cooperate by latching. 4. A device according to claim 3, wherein the locking means is moveable radially relative to the complementary locking means. 5. A device according to claim 4, wherein the driving unit comprises a body fixed to the needle, a driving key, and a flexible arm connecting the body to the key. 6. A device according to claim 5, wherein the key and the arm form the locking means. 7. A device according to claim 6, wherein the key is radially offset relative to the duct. 8. A device according to claim 6, wherein the magazine comprises a body and a rib projecting laterally from the body with, in the waiting position, a portion of the key being situated facing an edge of the rib. 9. A device according to claim 8, wherein in the working position, the portion of the key is situated facing another edge of the rib. 10. A device according to claim 1, wherein a portion of the duct situated in the cavity is substantially rectilinear. 11. A device according to claim 1, wherein the septum comprises a portion adapted to be pierced and a sleeve at least partially surrounding the needle and having a portion adapted to deform like bellows when the needle is moved from the waiting position to the working position. 12. A device according claim 1, wherein the transfer element is obtained by molding the needle, the septum and the driving unit. 13. A device according to claim 1, wherein the transfer duct is adapted to be connected, at the opposite end from the needle, to a series of bags disposed one after the other and of which their reservoirs communicate with each other, whereby they are adapted to be filled one after the other on transfer of the medium through the duct. 14. A device for the transfer of a medium into or from a container, comprising: a magazine;at least one transfer element for transferring a medium into or from a container through a cavity in the magazine, the transfer element comprising:a transfer duct comprising a needle at one end for transferring the medium;a septum for sealing the container and being pierceable by the needle; anda driving unit for moving the needle from a waiting position in which its point is situated within the cavity to a working position in which its point projects from the cavity through a portion of the septum and extends into the container to enable transfer of the medium;the driving unit and the magazine cooperating, at a location of the magazine that is situated away from the location through which the transfer duct issues from the cavity, to lock the transfer duct and the needle in the waiting position. 15. A device according to claim 14, wherein the driving unit and the magazine cooperate by latching. 16. A device according to claim 14, wherein the driving unit comprises a body fixed to the needle, a driving key, and a flexible arm connecting the body to the key. 17. A device according to claim 16, wherein the key is radially offset relative to the duct. 18. A device according to claim 16, wherein the magazine comprises a body and a rib projecting laterally from the body with, in the waiting position, a portion of the key being situated facing an edge of the rib. 19. A device according to claim 18, wherein in the working position, the portion of the key is situated facing another edge of the rib. 20. A device according to claim 14, wherein a portion of the duct situated in the cavity is substantially rectilinear. 21. A device according to claim 14, wherein the septum comprises a portion adapted to be pierced and a sleeve at least partially surrounding the needle and having a portion adapted to deform like bellows when the needle is moved from the waiting position to the working position. 22. A device according claim 14, wherein the transfer element is obtained by molding the needle, the septum and the driving unit. 23. A device according to claim 14, wherein the transfer duct is adapted to be connected, at the opposite end from the needle, to a series of bags disposed one after the other and of which their reservoirs communicate with each other, whereby they are adapted to be filled one after the other on transfer of the medium through the duct. 24. A device according to claim 14, wherein the driving unit and the magazine are adapted to lock the needle in the working position. 25. A device for the transfer of a medium into or from a container, comprising: a magazine;at least one transfer element for transferring a medium into or from a container through a cavity in the magazine, the transfer element comprising:a transfer duct comprising a needle at one end for transferring the medium;a septum for sealing the container and being pierceable by the needle; anda driving unit for moving the needle from a waiting position in which its point is situated within the cavity to a working position in which its point projects from the cavity through a portion of the septum and extends into the container to enable transfer of the medium;the driving unit and the magazine cooperating to lock the transfer duct and the needle in the waiting position and in the working position.
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