Reservoir seal retainer systems and methods

• US 8,597,269 B2
• Filed: 12/29/2008
• Issued: 12/03/2013
• Est. Priority Date: 04/11/2008
• Status: Active Grant

• Current Assignee: Medtronic Minimed Incorporated (Medtronic Plc)
• Original Assignee: Medtronic Minimed Incorporated (Medtronic Plc)
• Inventors: Chong, Colin A., Lorenzen, Eric M., Bikovsky, Rafael, Luan, Truong Gia, Ibranyan, Arsen, Griffin, Christopher G., Hudak, Philip J.
• Primary Examiner(s): Wiest, Philip R
• Application Number:
  US12/345,362
• Publication Number:
  US 20090259209A1
• Time in Patent Office: 1,800 Days
• Field of Search: 604200-206, 604239-244, 604403-416
• US Class Current: 604/403
• CPC Class Codes: A61M 2005/14268 with a reusable and a disposable component
• CPC Class Codes: A61M 2205/6045 having complementary physical shapes for indexing or registration purposes
• CPC Class Codes: A61M 5/14248 of the skin patch type
• CPC Class Codes: A61M 5/1456 with a replaceable reservoir comprising a piston rod to be moved into the reservoir, e.g. the piston rod is part of the removable reservoir
• CPC Class Codes: A61M 5/24 Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic ampoules or carpules A61J1/06

Abstract

At least one tab may extend through at least one opening in a retaining member configured to cover at least a portion of a head of a reservoir body and a portion of a septum supported by the head of the reservoir body. A retaining member may be configured to cover at least a portion of a first head of a reservoir body and a portion of a septum supported by the first head of the reservoir body, and the reservoir body may have a second head having at least one tab. A retaining member located in a head of a reservoir body may be for retaining a septum on the head of the reservoir body, and the head of the reservoir body may have at least one tab.

Claims

1. A reservoir system for containing a fluidic media, the system comprising:

a reservoir body for containing fluidic media, the reservoir body having a first body section, a head located at one end of the first body section, a port located at the head of the reservoir body, and at least one tab extending from the head of the reservoir body;

a septum supported by the head of the reservoir body, the septum configured to substantially seal the port of the reservoir body; and

a retaining member configured to cover at least a portion of the head of the reservoir body and to cover at least a portion of the septum;

wherein the at least one tab is uncovered by the retaining member when the retaining member covers the at least a portion of the head;

wherein the reservoir body has a longitudinal axis such that the head of the reservoir body and the first body section of the reservoir body are arranged along the longitudinal axis;

wherein the at least one tab has an exposed surface for attaching the reservoir body to a delivery device, the exposed surface facing away from the head and transverse to the longitudinal axis of the reservoir body; and

wherein the exposed surface of the at least one tab is located between the first body section of the reservoir body and the septum in a direction of the longitudinal axis.

2. The system of claim 1, the retaining member having at least one opening, the at least one tab extending through the at least one opening in the retaining member when the retaining member covers the at least a portion of the head.

3. The system of claim 2,

wherein a portion of each tab is removably attachable to a fluid delivery device;

and

wherein the portion of each tab that is removably attachable to the fluid delivery device is aligned with the opening.

4. The system of claim 1, the reservoir body configured to be removably attachable to a fluid delivery device.

5. The system of claim 4, the at least one tab on the head of the reservoir body dimensioned and arranged to be insertable into at least one aperture in the fluid delivery device for removably attaching the reservoir body to the fluid delivery device.

6. The system of claim 4,

wherein the at least one tab comprises of a plurality of tabs;

wherein the exposed surface of each of the plurality of tabs is supported to engage the fluid delivery device.

7. The system of claim 1, the retaining member comprising a casing having an interior volume configured to receive at least a portion of the head of the reservoir body.

8. The system of claim 1, the retaining member configured to be arranged adjacent no more than three sides of the at least one tab.

9. The system of claim 1, wherein the reservoir body is pre-filled with fluidic media.

10. The system of claim 1, wherein the retaining member comprises a metal material.

11. The system of claim 1, the head having an upper surface for supporting the septum and a lower surface opposite the upper surface, the retaining member configured to cover at least a portion of the lower surface of the head of the reservoir body.

12. The system of claim 1, wherein the reservoir body having a neck that has a smaller cross-sectional dimension than a cross-sectional dimension of the remaining portion of the reservoir body, the head of the reservoir body located at an end of the neck of the reservoir body.

13. The system of claim 1, the septum having a portion extending into the port of the reservoir body.

14. The system of claim 12, the portion of the septum having a hollow interior.

15. The system of claim 1,

the head comprising a first head and a second head, the port of the reservoir body located at the first head of the reservoir body;

the septum supported by the first head of the reservoir body;

the retaining member configured to cover at least a portion of the first head of the reservoir body and to cover at least a portion of the septum; and

the at least one tab located on the second head of the reservoir body.

16. The system of claim 15, the first head having an upper surface for supporting the septum and a lower surface opposite the upper surface, the retaining member configured to cover at least a portion of the lower surface of the first head of the reservoir body.

17. The system of claim 15, the reservoir body having a neck that has a smaller cross-sectional dimension than a remaining portion of the reservoir body, the second head of the reservoir body located on the neck of the reservoir body, the first head of the reservoir body located at an end of the neck of the reservoir body.

18. The system of claim 15,

the first head of the reservoir body having a first diameter;

the second head of the reservoir body having a second diameter;

wherein the first diameter of the first head is substantially comparable in size and dimension to the second diameter of the second head.

19. The system of claim 15, wherein the at least one tab on the second head of the reservoir body extends beyond the retaining member when the retaining member covers the at least a portion of the first head of the reservoir body.

20. The system of claim 1,

the head of the reservoir body having a cavity aligned with the port of the reservoir body;

and

the septum located in the cavity of the head of the reservoir body, the septum supported by a seating surface of the head of the reservoir body.

21. The system of claim 20, the retaining member located in the cavity of the head of the reservoir body, the retaining member configured to retain the septum on the seating surface of the head of the reservoir body.

22. The system of claim 21, wherein the retaining member is located entirely within the cavity of the head of the reservoir body.

23. The system of claim 21, wherein the retaining member is located substantially within the cavity of the head of the reservoir body.

24. The system of claim 21, wherein the septum is positioned between the retaining member and the seating surface of the head of the reservoir body.

25. The system of claim 21,

the cavity of the head of the reservoir body defined by an interior sidewall of the head of the reservoir body;

the interior sidewall of the head of the reservoir body having one or more recesses;

the retaining member having one or more retaining tabs insertable into the one or more recesses in the interior sidewall of the head of the reservoir body, the one or more retaining tabs for securing the retaining member to the reservoir body.

26. The system of claim 21,

the cavity of the head of the reservoir body defined by an interior sidewall of the head of the reservoir body;

the retaining member having one or more recesses;

the interior sidewall of the head of the reservoir body having one or more retaining tabs insertable into the one or more recesses in the retaining member, the one or more retaining tabs for securing the retaining member to the reservoir body.

27. The system of claim 1, wherein the entire exposed surface of each tab is located between the entire septum and the first body section of the reservoir body.

28. The system of claim 1,

wherein the at least one tab includes a first tab and a second tab;

and

wherein the exposed surface of the first tab is separate and apart from the exposed surface of the second tab.

29. The system of claim 1,

wherein the at least one tab extends linearly outward in no more than one direction from the head of the reservoir body, in a direction which transverses the longitudinal axis.

30. A method of making a system for transferring fluidic media, the method comprising:

providing a reservoir body for containing fluidic media, the reservoir body having a head, a first body section, and a port located at the head of the reservoir body,

the head of the reservoir body is located at an end of the first body section, wherein the head of the reservoir body and the first body section are arranged along a longitudinal axis;

supporting a septum on the head of the reservoir body, the septum configured to substantially seal the port of the reservoir body;

providing a retaining member configured to cover at least a portion of the head of the reservoir body and to cover at least a portion of the septum;

extending at least one tab from the head of the reservoir body, the at least one tab having an exposed surface for attaching the reservoir body to a delivery device, the exposed surface facing in a direction away from the head and transverse to the longitudinal axis of the reservoir body;

covering at least a portion of the head of the reservoir body with the retaining member, wherein at least a part of the at least one tab is uncovered by the retaining member; and

arranging the exposed surface of the at least one tab so that the exposed surface of the at least one tab is between the first body section of the reservoir body and the septum in a direction of the longitudinal axis.

31. The method of claim 30, the retaining member having at least one opening, the at least one tab extending through the at least one opening in the retaining member when the retaining member covers the at least a portion of the head.

32. The method of claim 30,

the head comprising a first head and a second head, the port of the reservoir body located at the first head of the reservoir body;

the septum supported by the first head of the reservoir body;

the retaining member configured to cover at least a portion of the first head of the reservoir body and to cover at least a portion of the septum; and

the at least one tab located on the second head of the reservoir body.

33. The method of claim 30, wherein providing a retaining member comprises arranging the retaining member in a cavity in the head of the reservoir body, the cavity aligned with the port of the reservoir body, the septum located in the cavity of the head of the reservoir body, the septum supported by a seating surface of the head of the reservoir body, the retaining member configured to retain the septum on the seating surface of the head of the reservoir body.

34. A reservoir system, for containing a fluidic media, the system comprising:

a reservoir body for containing fluidic media, the reservoir body having a first body section, a head located at one end of the first body section, and a port located at the head of the reservoir body, the head of the reservoir body having a plurality of tabs extending from the head of the reservoir body, the plurality of tabs including a first tab and a second tab;

a septum supported by the head of the reservoir body, the septum configured to substantially seal the port of the reservoir body; and

a retaining member configured to cover at least a portion of the head of the reservoir body and to cover at least a portion of the septum;

wherein each tab is uncovered by the retaining member when the retaining member covers the at least a portion of the head;

wherein the reservoir body has a longitudinal axis such that the head of the reservoir body and the first body section of the reservoir body are arranged along the longitudinal axis;

wherein each tab has an end having an exposed surface;

wherein the exposed surface of each tab is located between the first body section of the reservoir body and the septum in a direction of the longitudinal axis;

wherein the exposed surface of the first tab is separate and apart from the exposed surface of the second tab; and

wherein the exposed surface of each of the first tab and the second tab faces away from an interior volume of the reservoir.

35. A reservoir system, for containing a fluidic media, the system comprising:

a reservoir body for containing fluidic media, the reservoir body having a first body section, a head located at one end of the first body section, and a port located at the head of the reservoir body, the head of the reservoir body having at least one tab extending from the head of the reservoir body;

a septum supported by the head of the reservoir body, the septum configured to substantially seal the port of the reservoir body; and

a retaining member configured to cover at least a portion of the head of the reservoir body and to cover at least a portion of the septum;

wherein the at least one tab is uncovered by the retaining member when the retaining member covers the at least a portion of the head;

wherein the reservoir body has a longitudinal axis such that the head of the reservoir body and the first body section of the reservoir body are arranged along the longitudinal axis;

wherein the at least one tab has an end with an exposed surface;

wherein the exposed surface of the at least one tab is located between the first body section of the reservoir body and the septum in a direction of the longitudinal axis;

wherein the exposed surface of the at least one tab faces away from an interior volume of the reservoir body.

36. A reservoir system, for containing a fluidic media, the system comprising:

a reservoir body for containing fluidic media, the reservoir body having a first body section, a head located at one end of the first body section, and a port located at the head of the reservoir body, the head of the reservoir body having at least one tab extending from the head of the reservoir body;

a septum supported by the head of the reservoir body, the septum configured to substantially seal the port of the reservoir body; and

a retaining member configured to cover at least a portion of the head of the reservoir body and to cover at least a portion of the septum;

wherein the at least one tab is uncovered by the retaining member when the retaining member covers the at least a portion of the head;

wherein the reservoir body has a longitudinal axis such that the head of the reservoir body and the first body section of the reservoir body are arranged along the longitudinal axis;

wherein the at least one tab has an end with an exposed surface;

wherein the exposed surface of the at least one tab is located between the first body section of the reservoir body and the septum in a direction of the longitudinal axis;

wherein the head of the reservoir body has an outer peripheral surface;

wherein the outer peripheral surface of the head of the reservoir body includes a first portion and a second portion;

wherein the first portion is covered by the retaining member, and the second portion is not covered by the retaining member; and

wherein the first portion has a greater surface area than a surface area of the second portion.