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Last Updated: March 28, 2024

Claims for Patent: 8,998,876


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Summary for Patent: 8,998,876
Title:Ampoule comprising an ampoule holder
Abstract: An ampoule holder for receiving an ampoule that has a closure element with a radial projection, the ampoule holder including an ampoule seat and a securing member operably coupled to the ampoule seat, wherein the radial projection of the closure element can be arranged between the ampoule seat and securing member.
Inventor(s): Drunk; Annette (Bern, CH), Buttler; Marius (Oensingen, CH), Schiffmann; Frank (Burgdorf, CH), Tretola; Sara (Biberist, CH), Weber; Kurt (Bolken, CH), Moser; Ulrich (Heimiswil, CH), Hirschel; Jurg (Aarau, CH)
Assignee: TecPharma Licensing AG (Burgdorf, CH)
Application Number:12/951,804
Patent Claims: 1. An ampoule holder for an ampoule, the ampoule having a central, longitudinal axis and comprising a seal with a septum and a radial projection in a plane perpendicular to the central, longitudinal axis, the ampoule holder comprising: an ampoule receptacle configured to receive the ampoule within an interior via a distal end of the ampoule receptacle, said distal end comprising an inner diameter that is smaller than an outer diameter of the radial projection of the seal such that the radial projection cannot be received within the ampoule receptacle interior; and an injection needle fastening member connectable to the ampoule receptacle, wherein the radial projection can be arranged between the distal end of the ampoule receptacle and the fastening member, with the ampoule receptacle and the fastening member having in common the central, longitudinal axis, wherein one of the ampoule receptacle and the fastening member comprises a latch and the other of the ampoule receptacle and the fastening member comprises a counter latch for engaging the latch, wherein when the latch and the counter latch are engaged, relative movement between the latch and the counter latch is possible only in an axial fastening direction, and wherein as the fastening member and the ampoule receptacle are latched in the fastening direction, an axial clearance of the seal between the fastening member and the distal end of the ampoule receptacle is reduced or eliminated and the distal end of the ampoule receptacle abuts a proximal end of the radial projection of the ampoule.

2. The ampoule holder according to claim 1, wherein the fastening member comprises an engaging member which acts on the ampoule seal.

3. The ampoule holder according to claim 2, wherein the engaging member is on a resilient arm which extends in one of longitudinal or circumferential directions.

4. The ampoule holder according to claim 3, wherein an injection needle unit can be attached to the fastening member, whereby the needle unit engages the engaging member and the seal.

5. The ampoule holder according to claim 4, wherein the engaging member comprises a latching element which at least hinders releasing the needle unit from the fastening member.

6. The ampoule holder according to claim 1, wherein the fastening member is attachable to the ampoule receptacle by one of a plugging movement, a rotational movement, or a combination of the two movements.

7. The ampoule holder according to claim 1, wherein the fastening member is connected or connectable to the ampoule receptacle via at least one of a thread, a longitudinal guide, or a bayonet lock.

8. An ampoule holder for an ampoule, the ampoule having a central, longitudinal axis and comprising a seal with septum and a radial projection, the ampoule holder comprising: an ampoule receptacle configured to receive the ampoule within an interior via a distal end of the ampoule receptacle, said distal end comprising an inner diameter that is smaller than an outer diameter of the radial projection of the seal such that the radial projection cannot be received within the ampoule receptacle interior; and a fastening member connectable to the ampoule receptacle with the ampoule receptacle and the fastening member having in common the central, longitudinal axis, wherein one of the fastening member and the ampoule receptacle comprises a latching means and the other of the fastening member and the ampoule receptacle comprises a latching counter means, wherein the latching means and the latching counter means are in engagement or can be engaged when the fastening member is fastened such that the ampoule receptacle and the fastening member provide permanent enclosure of the radial projection of the seal seated in a plane perpendicular to the central, longitudinal axis at a distal end of the ampoule receptacle, with said seal extending into the fastening member, and wherein when in engagement, relative movement between the latching means and the latching counter means is possible in only one axial, fastening direction to eliminate or reduce an axial clearance of the seal between the fastening member and the distal end of the ampoule receptacle such that the distal end of the ampoule receptacle abuts a proximal end of the radial projection of the ampoule, and the fastening means and the ampoule receptacle cannot be disconnected and is permanent under the application of forces to cause relative rotational motion about the common central, longitudinal axis between the ampoule receptacle and the fastening member or linear motion in a direction opposite the fastening direction.

9. The ampoule holder according to claim 8, wherein the fastening member can only be moved in a fastening direction when the latching means and the latching counter means are engaged.

10. The ampoule holder according to claim 9, wherein the latching means comprises at least one latching tooth, and the latching counter means comprises a number of latching teeth shaped such that the fastening member can be moved in one direction and cannot be moved in the other direction.

11. The ampoule holder according to claim 10, wherein the latching teeth are serrated.

12. The ampoule holder according to claim 10, wherein the latching teeth are arranged consecutively circumferentially or longitudinally.

13. The ampoule holder according to claim 12, wherein at least one of the latching means and the latching counter means is resiliently urged.

14. The ampoule holder according to claim 13, wherein the ampoule receptacle comprises a groove having two groove flanks, wherein one or both of the groove flanks form the latching counter means, and wherein the latching means is resiliently urged against at least one of the groove flanks.

15. The ampoule holder according to claim 1, wherein at least one of the ampoule receptacle and the fastening member comprises at least one projection directed to press against the seal.

16. The ampoule holder according to claim 1, wherein the ampoule is a two-chamber ampoule and the ampoule receptacle comprises a cavity for forming a bypass for the two-chamber ampoule.

17. An ampoule holder comprising an ampoule receptacle and a needle unit fastening member connected to the ampoule receptacle with the ampoule receptacle and the fastening member having a common central, longitudinal axis and an ampoule comprising a cylindrical casing with an outer diameter and a seal with a radial projection extending radially beyond the outer diameter, wherein the ampoule comprises at least one of the following: two chambers; the seal can be penetrated by a piercing object that is part of a needle unit; or the seal comprises a septum enclosed at least in the region of the radial extension by an annular deformable part, wherein the ampoule receptacle is configured to receive the cylindrical casing within an interior via a distal end of the ampoule receptacle, said distal end comprising an inner diameter that is smaller than an outer diameter of the radial projection of the seal such that the radial projection cannot be received within the ampoule receptacle interior, wherein the ampoule receptacle and the fastening member provide permanent enclosure of the radial projection of the seal seated in a plane perpendicular to the central, longitudinal axis at a distal end of the ampoule receptacle, with the seal extending into the fastening member and the fastening member comprises a latch which can be connected to the ampoule receptacle by a counter latch, and wherein when the latch and the counter latch are engaged, relative movement between the latch and the counter latch is possible in only an axial, fastening direction to eliminate or reduce the axial clearance of the seal between the fastening member such that the distal end of the ampoule receptacle abuts a proximal end of the radial projection of the ampoule, and the ampoule receptacle and the fastening member cannot be disconnected from the ampoule receptacle with the application of forces to cause relative rotational motion about the common central, longitudinal axis between the ampoule receptacle and the fastening member or linear motion in a direction opposite the fastening direction.

18. The ampoule holder according to claim 17, wherein one of the latch and the counter latch is formed, such that it is resilient, on an arm which extends in a circumferential direction relative to the common longitudinal axis and can engage with the other of the latch and the counter latch which is formed on an inner circumference of the fastening member.

19. The ampoule holder according to claim 18, wherein the other of the latch and the counter latch, formed on the inner circumference of the fastening member, comprises serrated teeth, wherein the teeth are arranged successively in a line.

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