Insertion device systems and methods

• US 9,393,363 B2
• Filed: 12/29/2009
• Issued: 07/19/2016
• Est. Priority Date: 09/02/2009
• 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, Ibranyan, Arsen, Kavazov, Julian D.
• Primary Examiner(s): FLICK, JASON E
• Application Number:
  US12/649,172
• Publication Number:
  US 20110054400A1
• Time in Patent Office: 2,394 Days
• Field of Search: 604/131
• US Class Current: 1/1
• CPC Class Codes: A61M 2005/14252 with needle insertion means
• CPC Class Codes: A61M 2005/14268 with a reusable and a disposable component
• CPC Class Codes: A61M 2005/1583 Needle extractors
• CPC Class Codes: A61M 2005/1585 Needle inserters
• CPC Class Codes: A61M 2209/045 for filling, e.g. for filling reservoirs
• CPC Class Codes: A61M 5/1413 Modular systems comprising interconnecting elements
• 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 5/158 Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
• CPC Class Codes: Y10T 29/49826 Assembling or joining

Abstract

A piercing member for piercing a membrane may be arranged within a housing and supported by a compliant that may be for allowing articulation of the piercing member relative to the housing in a case where the piercing member is in the membrane and moved relative to the housing.

Claims

1. An insertion system, the insertion system comprising:

a housing;

a piercing member arranged partially within the housing, the piercing member having a piercing end located outside of the housing for piercing a membrane, the piercing member having a hollow interior for conveying fluidic media; and

a compliant material arranged within the housing to support the piercing member and attach the piercing member to the housing, the compliant material for allowing articulation of the piercing member relative to the housing in a case where the piercing member is in the membrane and moved relative to the housing;

wherein the piercing member extends through the compliant material and has a first end located on an opposite side of the compliant material with respect to the piercing end of the piercing member.

2. The insertion system of claim 1, the compliant material provides a fluid seal between the piercing member and the compliant material and between the housing and the compliant material, to substantially prevent fluidic media from flowing between the compliant material and the piercing member, and between the compliant material and the housing.

3. The insertion system of claim 1, the compliant material forms a fluid seal with the housing and with the piercing member.

4. The insertion system of claim 1, the compliant material arranged to support the piercing member such that the piercing member does not contact the housing.

5. The insertion system of claim 1, wherein the piercing member comprises a needle.

6. The insertion system of claim 1, the housing having a fluid channel for alignment with a reservoir, the fluid channel in fluid communication with a hollow interior of the piercing member.

7. The insertion system of claim 1, the housing having a chamber for for receiving fluidic media, the chamber located on one side of the compliant material;

and the compliant material having a surface defining an inner wall of the chamber for contacting fluidic media received within the chamber.

8. The insertion system of claim 1, the insertion system further comprising:

a retaining member for retaining the compliant material within the housing.

9. The insertion system of claim 8, wherein the retaining member comprises at least one of a cap, glue joint, and a septum.

10. The insertion system of claim 1, wherein the housing is made of the compliant material to allow articulation of the piercing member relative to the housing in a case where the piercing member is moved relative to the housing.

11. The insertion system of claim 1, wherein the membrane comprises skin of a patient, the compliant material for allowing articulation of the piercing member relative to the housing in a case where the piercing member is in the skin of the patient and moved relative to the housing.

12. The insertion system of claim 1, wherein a fluid flow passage is provided through at least a portion of the compliant material.

13. The insertion system of claim 1, the complaint material being adhered to the housing, to remain in a fixed position relative to the housing.

14. The insertion system of claim 1, the piercing member having a longitudinal dimension that extends out from the housing such that a portion of the piercing member is located within the housing and another portion of the piercing member is located external to the housing.

15. The insertion system of claim 1, the piercing member having a hollow central channel and first and second openings in communication with the central channel of the piercing member;

and

the housing having an internal channel and an external opening in fluid flow communication with the internal channel, for connection with an external fluid flow path, the internal channel being in fluid flow communication with the first opening of the piercing member.

16. The insertion system of claim 1, further comprising a needle to place the piercing member in the membrane.

17. The insertion system of claim 1, wherein the piercing member and the complaint material is in the housing as the fluidic media passes through the hollow interior of the piercing member.

18. The insertion system of claim 1, wherein:

the piercing member has a longitudinal dimension extending along a length dimension of the housing, at an angle of orientation relative to the length dimension of the housing; and

the compliant material allows articulation of the piercing member in a direction that changes the angle of orientation of the longitudinal dimension of the piercing member relative to the length dimension of the housing.

19. The insertion system of claim 18, wherein the compliant material allows articulation of the piercing member by an amount that changes the angle of orientation of the longitudinal dimension of the piercing member relative to the length dimension of the housing by up to 30 degrees.

20. The insertion system of claim 1, wherein:

the piercing member has a longitudinal dimension extending along a length dimension of the housing; and

the compliant material allows articulation of the piercing member in a direction lateral to the length dimension of the housing.

21. The insertion system of claim 1, wherein the housing has a chamber for receiving a fluidic media, the compliant material has a surface defining an inner wall of the chamber, the inner wall arranged for contacting fluidic media received in the chamber.

22. The insertion system of claim 21, wherein the surface of the compliant material that defines the inner wall of the chamber has a recess arranged for contacting fluidic media received in the chamber, and wherein the first end of the piercing member extends into the recess.

23. An insertion system comprising:

a housing;

a piercing member arranged at least partially within the housing, the piercing member having a piercing end located outside of the housing for piercing a membrane, the piercing member having a first end opposite the piercing end; and

a compliant material arranged within the housing to support the piercing member, the compliant material for allowing articulation of the piercing member relative to the housing in a case where the piercing member is in the membrane and moved relative to the housing;

wherein piercing member extends through the compliant material

wherein the housing includes a chamber for receiving fluidic media, the chamber located on one side of the compliant material; and

wherein the first end of the piercing member is located in the chamber and outside of the compliant material, the first end has an opening to the hollow interior of the piercing member, and the opening remains outside of the compliant material and in fluid flow communication with the chamber.

24. The insertion system of claim 23, wherein the compliant material forms at least one inner wall of the chamber for contacting fluidic media received in the chamber.

25. The insertion system of claim 23, wherein the compliant material has a surface defining an inner wall of the chamber, the surface having a recess for contacting fluidic media received in the chamber, the first end of the piercing member extending in the recess.

26. The insertion system of claim 23, the compliant material forms a fluid seal with the housing and with the piercing member.

27. An insertion system comprising:

a housing;

a piercing member arranged at least partially within the housing, the piercing member for piercing a membrane; and

a compliant material arranged within the housing to support the piercing member, the compliant material for allowing articulation of the piercing member relative to the housing in a case where the piercing member is in the membrane and moved relative to the housing;

the piercing member having a first opening and a second opening, one of the first opening and the second opening for receiving fluidic media into a hollow interior of the piercing member, the other of the one of the first opening and the second opening for allowing the fluidic media to exit the hollow interior of the piercing member;

the compliant material having a body for supporting the piercing member;

the body having a recess in fluid flow communication with one of the first opening and the second opening, the recess defined by a surface sloped to correspond generally to an angle of articulation of the piercing member relative to the housing;

wherein the housing is attachable to a base that secures to the membrane with an adhesive material when the piercing member pierces the membrane, and wherein the membrane is skin of a patient.

28. The insertion system of claim 27, the piercing member having a piercing end located outside of the housing.

29. A method of making an insertion system, the method comprising:

providing a housing;

arranging a piercing member at least partially within the housing, the piercing member having a first end and a piercing end, the piercing end being located outside of the housing for piercing a membrane, the piercing member having a hollow interior for conveying fluidic media; and

arranging a compliant material within the housing and attaching the piercing member to the housing with the compliant material, to support the piercing member with the compliant material in the housing, the compliant material for allowing articulation of the piercing member relative to the housing in a case where the piercing member is in the membrane and moved relative to the housing;

wherein arranging the piercing member comprises extending the piercing member through the compliant material, such that the first end of the piercing member is located outside of the compliant material, on an opposite side of the compliant material with respect to the piercing end of the piercing member.