Adhesive Patch Systems and Methods

• US 20080269687A1
• Filed: 02/07/2008
• Published: 10/30/2008
• Est. Priority Date: 04/30/2007
• Status: Active Grant

• Current Assignee: Medtronic Minimed Incorporated (Medtronic Plc)
• Original Assignee: Medtronic Minimed Incorporated (Medtronic Plc)
• Inventors: Chong, Colin A., Griffin, Christopher G.
• Granted Patent: US 8,323,250 B2
• Time in Patent Office: Days
• US Class Current: 604/180
• CPC Class Codes: A61L 15/58 Adhesives
• CPC Class Codes: A61L 27/28 Materials for coating prostheses
• CPC Class Codes: A61M 2005/14252 with needle insertion means
• CPC Class Codes: A61M 2005/1426 with means for preventing access to the needle after use
• CPC Class Codes: A61M 2005/14268 with a reusable and a disposable component
• CPC Class Codes: A61M 2005/1581 Right-angle needle-type devices
• CPC Class Codes: A61M 2005/1585 Needle inserters
• CPC Class Codes: A61M 2005/31516 reducing dead-space in the syringe barrel after delivery
• CPC Class Codes: A61M 2005/341 angularly adjustable or angled away from the axis of the injector
• 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 5/165 Filtering accessories, e.g. blood filters, filters for infusion liquids A61M1/14 , A61M1/34, A61M1/3627, A61M1/3679, A61M1/3687 take precedence; needle sets with incorporated air inlet filters A61M5/162
• CPC Class Codes: A61M 5/36 with means for eliminating or preventing injection or infusion of air into body dialysis systems, blood oxygenators A61M1/14; haemofiltration equipment A61M1/34; automatic tube cut-off A61M39/281

Abstract

Various embodiments of the present invention are directed to patches for medical devices. In various embodiments, an adhesive patch of a medical device may have selective areas with adhesive material of varying adhesion strengths. In other embodiments, an adhesive patch of a medical device may include adhesive material that may be activated by a catalyst to increase or decrease the adhesion strength of the adhesive material. In further embodiments, a medical device may include a pierceable membrane containing an agent, the pierceable membrane positioned to be pierced by a needle and to cause some of the agent to be carried to the user-patient.

Claims

1. A medical device comprising:

a medical monitoring or treatment device configured to provide a monitoring or treatment operation on a user;

a base adapted to be secured to the user during operation of the medical monitoring or treatment device, the base having at least first and second areas that contact the user upon the base being secured to the user; and

an adhesive material provided on at least the first and second areas of the base for securing the base to the user, the adhesive material having a different adhesion strength on the first area of the base than on the second area of the base.

2. The medical device according to claim 1,

the adhesive material having a greater adhesion strength on the first area of the base than on the second area of the base.

3. The medical device according to claim 2,

the medical monitoring or treatment device including at least one of a needle and a cannula for insertion into the skin of the user during operation of the medical monitoring or treatment device;

the at least one of the needle and the cannula arranged in the first area of the base.

4. The medical device according to claim 3,

the base having an opening through which the at least one of the needle and the cannula extend during operation of the medical monitoring or treatment device;

the first area of the base adjacent the opening in the base.

5. The medical device according to claim 3,

the base having at least a third area that contacts the user upon the base being secured to the user;

the adhesive material provided on at least the third area of the base for securing the base to the user, the adhesive material having a greater adhesion strength on the third area of the base than on the second area of the base.

6. The medical device according to claim 5,

the base having an opening through which the at least one of the needle and the cannula extend during operation of the medical monitoring or treatment device;

the third area of the base remotely located from the opening in the base.

7. The medical device according to claim 6,

the third area of the base proximate to an edge of the base.

8. The medical device according to claim 6,

the adhesive material having an equal to or greater adhesion strength on the first area of the base than on the third area of the base.

9. The medical device according to claim 3,

the base having an opening through which the at least one of the needle and the cannula extend during operation of the medical monitoring or treatment device;

wherein the first area of the base at least partially surrounds the opening in the base.

10. The medical device according to claim 2,

the base adapted to be secured to the skin of the user;

wherein the adhesive material comprises a material that adheres to human skin.

11. The medical device according to claim 2,

wherein a surface area of the second area of the base is greater than a surface area of the first area of the base.

12. The medical device according to claim 2,

the first area of the base proximate to an edge of the base.

13. The medical device according to claim 1,

the adhesive material having a lesser adhesion strength on the first area of the base than on the second area of the base.

14. A method for securing a medical device, the method comprising:

supporting a medical monitoring or treatment device in a housing having a base;

defining first and second areas of the base for contacting the user during operation of the medical monitoring or treatment device;

providing an adhesive material on at least the first and second areas of the base of the housing to allow the base to be secured to a user during operation of the medical monitoring or treatment device, including providing an adhesive material having a greater adhesion strength on the first area of the base than on the second area of the base.

15. A medical device comprising:

a medical monitoring or treatment device configured to provide a monitoring or treatment operation on a user;

a base adapted to be secured to the user during operation of the medical monitoring or treatment device, the base having an area that contacts the user upon the base being secured to the user; and

an adhesive material provided on the area of the base for securing the base to the user, the adhesive material configured to react with a catalyst for activating the adhesive material, the adhesive material having a different adhesion strength upon activation of the adhesive material than before activation of the adhesive material.

16. The medical device according to claim 15,

at least one of the catalyst and the adhesive material configured to activate upon the catalyst reacting with the adhesive material.

17. The medical device according to claim 15,

at least one of the catalyst and the adhesive material configured to activate a period of time after the catalyst reacts with the adhesive material.

18. The medical device according to claim 15,

at least one of the catalyst and the adhesive material configured to deactivate a period of time after activation of the adhesive material.

19. The medical device according to claim 15,

at least one of the catalyst and the adhesive material configured to react together to temporarily activate the adhesive material for a period of time.

20. The medical device according to claim 15,

the adhesive material having a greater adhesion strength upon activation of the adhesive material than before activation of the adhesive material.

21. The medical device according to claim 20,

wherein the catalyst comprises at least one of a temperature source, a moisture source, a fluid source, a light source, an electromagnetic source, an infrared source, a frequency source, a vibration source, and a chemical agent.

22. The medical device according to claim 20,

the medical monitoring or treatment device configured to operate with a delivery device for applying the catalyst to the adhesive material.

23. The medical device according to claim 22,

the medical monitoring or treatment device configured to operate with an inserter for at least one of the base and an infusion set having at least one of a cannula and an insertion needle for inserting into the skin of the user during operation of the medical monitoring or treatment device.

24. The medical device according to claim 20, the medical device further comprising:

a delivery device for applying the catalyst to the adhesive material.

25. The medical device according to claim 24,

the delivery device configured to operate with an inserter for at least one of the base and an infusion set having at least one of a cannula and an insertion needle for inserting into the skin of the user during operation of the medical monitoring or treatment device, such that the catalyst is applied to the adhesive material upon the at least one of the cannula and the insertion needle being inserted into the skin of the user.

26. The medical device according to claim 24,

wherein the delivery device comprises a layer containing the catalyst,

the layer applicable to a selective area of the adhesive material to activate the selective area of the adhesive material.

27. The medical device according to claim 15,

the adhesive material having a lesser adhesion strength upon activation of the adhesive material than before activation of the adhesive material.

28. The medical device according to claim 27,

wherein the catalyst comprises at least one of a temperature source, a moisture source, a fluid source, a light source, an electromagnetic source, an infrared source, a frequency source, a vibration source, a chemical agent, and air.

29. The medical device according to claim 27,

the medical monitoring or treatment device configured to operate with a delivery device for applying the catalyst to the adhesive material.

30. The medical device according to claim 29,

the medical monitoring or treatment device configured to operate with an inserter for at least one of the base and an infusion set having at least one of a cannula and an insertion needle for inserting into the skin of the user during operation of the medical monitoring or treatment device.

31. The medical device according to claim 29,

the medical monitoring or treatment device configured to be operatively connectable to the delivery device;

the medical monitoring or treatment device further configured to be removable by the delivery device in a case where the medical monitoring or treatment device is operatively connected to the delivery device and the adhesive material is activated.

32. The medical device according to claim 29,

the medical monitoring or treatment device configured to allow the delivery device to be inserted between the base of the medical monitoring or treatment device and the user to apply the catalyst to the adhesive material.

33. The medical device according to claim 27, the medical device further comprising:

a delivery device for applying the catalyst to the adhesive material.

34. The medical device according to claim 33,

the delivery device configured to operate with an inserter for at least one of the base and an infusion set having at least one of a cannula and an insertion needle for inserting into the skin of the user during operation of the medical monitoring or treatment device, such that the catalyst is applied to the adhesive material upon the at least one of the cannula and the insertion needle being inserted into the skin of the user.

35. The medical device according to claim 33,

the delivery device configured to be inserted between the base of the medical monitoring or treatment device and the user to apply the catalyst to the adhesive material.

36. The medical device according to claim 15,

the base adapted to be secured to the skin of the user;

wherein the adhesive material comprises a material that adheres to human skin.

37. A method for securing a medical device comprising:

providing a medical monitoring or treatment device configured to provide a monitoring or treatment operation on a user;

locating a base adapted to be secured to the user during operation of the medical monitoring or treatment device, the base having an area that contacts the user upon the base being secured to the user; and

providing an adhesive material on the area of the base for securing the base to the user, the adhesive material configured to react with a catalyst for activating the adhesive material, the adhesive material having a different adhesion strength upon activation of the adhesive material than before activation of the adhesive material.

38. The method according to claim 37,

the adhesive material having a greater adhesion strength upon activation of the adhesive material than before activation of the adhesive material.

39. The method according to claim 37,

the adhesive material having a lesser adhesion strength upon activation of the adhesive material than before activation of the adhesive material.

40. A medical device comprising:

a medical monitoring or treatment device configured to provide a monitoring or treatment operation on a user, the medical monitoring or treatment device operable with an insertion needle;

a pierceable membrane containing an agent, the pierceable membrane positioned to be pierced by the insertion needle during operation of the medical monitoring or treatment device and to allow the insertion needle to cause some of the agent to be carried from the pierceable membrane to the user.

41. The medical device according to claim 40,

wherein the insertion needle carries some of the agent from the pierceable membrane to the user.

42. The medical device according to claim 40,

wherein the insertion needle pierces the pierceable membrane to allow at least some of the agent to flow from the pierceable membrane to the user.

43. The medical device according to claim 40, the device further comprising:

a base adapted to be secured to the user during operation of the medical monitoring or treatment device;

the pierceable membrane positioned between the base and the user.

44. The medical device according to claim 43,

the base adapted to be secured to the skin of the user.

45. The medical device according to claim 44,

at least one of the pierceable membrane and the agent configured to allow the agent to react with the skin of the user before the pierceable membrane is pierced by the insertion needle.

46. The medical device according to claim 40, the device further comprising:

a base adapted to be secured to the user during operation of the medical monitoring or treatment device;

the base positioned between the pierceable membrane and the user.

47. The medical device according to claim 40,

wherein the agent comprises at least one of an anti-inflammatory, an antiseptic, and an analgesic.

48. The medical device according to claim 40, the device further comprising:

a removable layer at least partially covering the pierceable membrane.

49. The medical device according to claim 48,

at least one of the pierceable membrane and the agent configured to be reactable with air upon the removable layer being at least partially removed from the pierceable membrane.

50. A delivery method comprising:

providing a medical monitoring or treatment device configured to provide a monitoring or treatment operation on a user, the medical monitoring or treatment device operable with an insertion needle;

positioning a pierceable membrane containing an agent to be pierced by the insertion needle during operation of the medical monitoring or treatment device and to allow the insertion needle to cause some of the agent to be carried from the pierceable membrane to the user.