Systems, devices, and methods including implantable devices with anti-microbial properties

• US 20110208026A1
• Filed: 02/14/2011
• Published: 08/25/2011
• Est. Priority Date: 12/04/2008
• Status: Abandoned Application

• Current Assignee: Searete LLC (Intellectual Ventures LLC)
• Original Assignee: Searete LLC (Intellectual Ventures LLC)
• Inventors: Goodall, Eleanor V., Wood, Lowell L. JR., Hyde, Roderick A., Sweeney, Elizabeth A.
• Application Number:
  US12/931,924
• Publication Number:
  US 20110208026A1
• Time in Patent Office: Days
• US Class Current: 600/345
• CPC Class Codes: A61B 18/1492 having a flexible, catheter-like structure, e.g. for heart ablation A61B18/1477 takes precedence
• CPC Class Codes: A61B 18/1815 using microwaves
• CPC Class Codes: A61B 18/20 using laser
• CPC Class Codes: A61B 2018/00636 Sensing and controlling the application of energy
• CPC Class Codes: A61B 2018/00779 Power or energy
• CPC Class Codes: A61L 2300/404 Biocides, antimicrobial agents, antiseptic agents
• CPC Class Codes: A61L 29/00 Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters shape or structure of catheters A61M25/00
• CPC Class Codes: A61L 29/16 Biologically active materials, e.g. therapeutic substances A61L29/048 takes precedence

Abstract

Systems, devices, methods, and compositions are described for providing an actively controllable implant configured to, for example, monitor, treat, or prevent microbial growth or adherence to the implant.

Claims

1. A catheter system, comprising:

a body structure having an outer surface and an inner surface defining one or more fluid-flow passageways; and

a plurality of selectively actuatable anti-microbial regions configured to direct at least one anti-microbial agent to one or more areas of at least one of the outer surface of the body structure, the inner surface of the body structure, or embedded in the internal body structure; and

circuitry configured for determining the presence of at least one microorganism proximate to one or more areas of the body structure.

2. The catheter system of claim 1, wherein the plurality of selectively actuatable anti-microbial regions are configured to direct at least one anti-microbial agent to the interior of at least one of the one or more fluid-flow passageways.

3. The catheter system of claim 1, wherein the plurality of selectively actuatable anti-microbial regions are configured to direct at least one anti-microbial agent to extend longitudinally along at least one of the one or more fluid-flow passageways.

4. The catheter system of claim 1, wherein the plurality of selectively actuatable anti-microbial regions are configured to direct at least one anti-microbial agent to extend laterally along at least one of the one or more fluid-flow passageways.

5. The catheter system of claim 1, wherein the plurality of selectively actuatable anti-microbial regions are configured to direct at least one anti-microbial agent to extend helically along at least one of the one or more fluid-flow passageways.

6. The catheter system of claim 1, wherein the plurality of selectively actuatable anti-microbial regions are disposed along the one or more fluid-flow passageways.

7. The catheter system of claim 1, wherein the plurality of selectively actuatable anti-microbial regions are configured to form at least a portion of at least one of the inner surface or outer surface of the body structure.

8. The catheter system of claim 1, wherein at least one of the plurality of selectively actuatable anti-microbial regions on the inner surface of the body structure is different than at least one of the plurality of selectively actuatable anti-microbial regions on the outer surface or embedded in the body structure.

9. The catheter system of claim 1, wherein at least one of the plurality of selectively actuatable anti-microbial regions on the outer surface of the body structure is different than at least one of the plurality of selectively actuatable anti-microbial regions on the inner surface or embedded in the body structure.

10. The catheter system of claim 1, wherein at least one of the plurality of selectively actuatable anti-microbial regions embedded in the body structure is different than at least one of the plurality of selectively actuatable anti-microbial regions on the outer surface or inner surface of the body structure.

11. The catheter system of claim 1, wherein at least one of the plurality of selectively actuatable anti-microbial regions extends substantially laterally along a first portion of the body structure, and a different one of the plurality of selectively actuatable anti-microbial regions extends substantially laterally along a second portion of the body structure.

12. The catheter system of claim 1, wherein at least one of the plurality of selectively actuatable anti-microbial regions extends substantially longitudinally along a first portion of the body structure, and a different one of the plurality of selectively actuatable anti-microbial regions extends substantially longitudinally along a second portion of the body structure.

13. The catheter system of claim 1, wherein at least one of the plurality of selectively actuatable anti-microbial regions extends substantially helically along a first portion of the body structure, and a different one of the plurality of selectively actuatable anti-microbial regions extends substantially helically along a second portion of the body structure.

14. The catheter system of claim 1, wherein at least one of the plurality of selectively actuatable anti-microbial regions extends substantially laterally along a first portion of the body structure, and a different one of the plurality of selectively actuatable anti-microbial regions extends substantially longitudinally along a second portion of the body structure.

15. The catheter system of claim 1, wherein at least one of the plurality of selectively actuatable anti-microbial regions extends substantially laterally along a first portion of the body structure, and a different one of the plurality of selectively actuatable anti-microbial regions extends substantially helically along a second portion of the body structure.

16. The catheter system of claim 1, wherein at least one of the plurality of selectively actuatable anti-microbial regions extends substantially longitudinally along a first portion of the body structure, and a different one of the plurality of selectively actuatable anti-microbial regions extends substantially helically along a second portion of the body structure.

17. The catheter system of claim 1, wherein at least one of the plurality of selectively actuatable anti-microbial regions is configured for reversible actuation.

18. The catheter system of claim 1, wherein at least one of the plurality of selectively actuatable anti-microbial regions is configured for irreversible actuation.

19. The catheter system of claim 1, wherein the plurality of selectively actuatable anti-microbial regions is configured as bands on at least one of the outer surface, inner surface, or embedded in the body structure of the device.

20. The catheter system of claim 19, wherein the bands extend at least one of longitudinally, laterally, or helically across at least one of the outer surface, inner surface, or internally in the body structure.

21. The catheter system of claim 19, wherein the plurality of anti-microbial regions include at least two bands of anti-microbial agents separated by space or timing of release of at least one anti-microbial agent.

22. The catheter system of claim 1, wherein at least one of the plurality of selectively actuatable anti-microbial regions is configured to be actuated by the presence of at least one microorganism.

23. The catheter system of claim 22, wherein the at least one microorganism includes at least one of a bacterium or fungus.

24. The catheter system of claim 1, wherein at least one of the plurality of selectively actuatable anti-microbial regions is configured to be actuatated by at least partial degradation of the body structure.

25. The catheter system of claim 1, wherein at least one of the plurality of selectively actuatable anti-microbial regions includes at least one anti-microbial agent reservoir or anti-microbial nanostructure.

26. A insertable device, comprising:

a body structure defining one or more fluid-flow passageways;

the body structure including one or more selectively actuatable anti-microbial regions including at least one anti-microbial agent, the one or more selectively actuatable anti-microbial regions configured to direct at least one anti-microbial agent to one or more areas of at least one of the outer surface of the body structure, the inner surface of the body structure, or embedded in the internal body structure; and

one or more sensors configured to detect at least one microbial component proximate one or more areas of the body structure.

27. The insertable device of claim 26, further comprising one or more switching elements associated with the one or more selectively actuatable anti-microbial regions, the one or more switching elements configured to increase or decrease the release of at least one anti-microbial agent from the one or more selectively actuatable anti-microbial regions.

28. The insertable device of claim 26, wherein the one or more selectively actuatable anti-microbial regions are configured to be actuated by the presence of at least one microorganism.

29. The insertable device of claim 28, wherein the at least one microorganism includes at least one of a bacterium or fungus.

30. The insertable device of claim 26, wherein the one or more selectively actuatable anti-microbial regions is configured to be actuated by at least partial degradation of the body structure.

31. The insertable device of claim 26, further comprising at least one light source.

32. The insertable device of claim 26, further comprising at least one power source.

33. The insertable device of claim 26, further comprising at least one sensor.

34. The insertable device of claim 26, further comprising at least one of a battery, capacitor, or mechanical energy store.

35. A method of reducing microbial growth or adherence of at least a portion of a catheter assembly, comprising:

actuating at least one anti-microbial region of a plurality of anti-microbial regions configured to direct at least one anti-microbial agent to one or more areas of at least one of an outer surface, an inner surface, or internally embedded in a body structure of a insertable device, the body structure defining one or more fluid-flow passageways, in response to an in vivo detected microbial component associated with a biological sample proximate to one or more areas of the body structure.

36. The method of claim 35, wherein actuating the at least one anti-microbial region including actuating at least one spatially patterned or temporally patterned anti-microbial region in at least one of the plurality of anti-microbial regions of the body surface.

37. The method of claim 35, wherein actuating the at least one anti-microbial region is based at least in part on at least one of a detected fluorescence, detected impedance, detected optical reflectance, detected thermal transfer, or detected microbial component.

38. The method of claim 35, wherein actuating the at least one anti-microbial region is initiated at least one of prior to, during, or subsequent to insertion of the insertable device into a biological subject.

39. The method of claim 35, wherein actuating the at least one anti-microbial region is based at least in part on one or more of current biomarker information, previous biomarker information, or previous actuation events.

40. The method of claim 35, wherein the method is implemented by at least one computing device.

41. The method of claim 35, further comprising generating at least one output to a user.

42. The method of claim 41, wherein the at least one output includes at least one of a treatment protocol, identification of a detected microorganism, status of the insertable device, or location of a detected microorganism.

43. The method of claim 41, wherein the at least one output occurs in real-time.

44. The method of claim 41, wherein the at least one output is associated with historical information.

45. The method of claim 41, wherein the user includes at least one entity.

46. The method of claim 45, wherein the at least one entity includes at least one person or computer.

47. The method of claim 45, wherein the at least one output includes at least one output to a user readable display.

48. The method of claim 45, wherein the user readable display includes a human readable display.

49. The method of claim 45, wherein the user readable display includes one or more active displays.

50. The method of claim 45, wherein the user readable display includes one or more active displays.

51. The method of claim 45, wherein the user readable display includes one or more passive displays.

52. The method of claim 45, wherein the user readable display includes one or more of a numeric format, graphical format, or audio format.

53. The method of claim 45, wherein the user readable display is coupled to the insertable device.