Systems, devices, and methods including catheters having UV-Energy emitting coatings

• US 20110152751A1
• Filed: 11/10/2010
• Published: 06/23/2011
• Est. Priority Date: 12/04/2008
• Status: Abandoned Application

• Current Assignee: Searete LLC (Intellectual Ventures LLC)
• Original Assignee: Searete LLC (Intellectual Ventures LLC)
• Inventors: Wood, Victoria Y. H., Ishikawa, Muriel Y., Smith, Michael A., Myhrvold, Nathan P., Tegreene, Clarence T., Wood, Lowell L. JR., Rivet, Dennis J., Hyde, Roderick A., Kare, Jordin T., Sweeney, Elizabeth A., Leuthardt, Eric C., Dacey, Ralph G. JR.
• Application Number:
  US12/927,296
• Publication Number:
  US 20110152751A1
• Time in Patent Office: Days
• US Class Current: 604/21
• CPC Class Codes: A61L 2/0011 using physical methods

Abstract

Systems, devices, methods, and compositions are described for providing an actively-controllable disinfecting implantable device configured to, for example, treat or prevent an infection in a biological subject.

Claims

1. An at least partially implantable fluid management system, comprising:

a catheter device having a body structure including

at least an outer surface and an inner surface defining one or more fluid-flow passageways; and

a plurality of independently activatable ultraviolet energy delivering substrates configured to deliver a sterilizing energy stimulus to one or more regions proximate at least one of the outer surface or the inner surface of the body structure, the plurality of independently activatable ultraviolet energy delivering substrates defining at least a portion of at least one of the outer surface or the inner surface of the body structure.

2. The at least partially implantable fluid management system of claim 1, wherein the plurality of independently activatable ultraviolet energy delivering substrates include a radiation emitting coating.

3. The at least partially implantable fluid management system of claim 1, wherein the plurality of independently activatable ultraviolet energy delivering substrates include an ultraviolet energy emitting coating.

4. The at least partially implantable fluid management system of claim 1, wherein the plurality of independently activatable ultraviolet energy delivering substrates include one or more ultraviolet energy emitting phosphors.

5. The at least partially implantable fluid management system of claim 1, wherein the plurality of independently activatable ultraviolet energy delivering substrates include one or more ultraviolet energy nanoparticles.

6. The at least partially implantable fluid management system of claim 1, wherein the plurality of independently activatable ultraviolet energy delivering substrates include a photoactive coating material.

7. The at least partially implantable fluid management system of claim 1, wherein the plurality of independently activatable ultraviolet energy delivering substrates include a light-emitting material.

8. The at least partially implantable fluid management system of claim 1, wherein the plurality of independently activatable ultraviolet energy delivering substrates include a light-emitting material configured to emit ultraviolet light energy in the presence of an energy stimulus.

9. The at least partially implantable fluid management system of claim 1, wherein the plurality of independently activatable ultraviolet energy delivering substrates include a light-emitting material configured to emit ultraviolet light B energy in the presence of an energy stimulus.

10. The at least partially implantable fluid management system of claim 1, wherein the plurality of independently activatable ultraviolet energy delivering substrates include a light-emitting material configured to emit ultraviolet light C energy in the presence of an energy stimulus.

11. The at least partially implantable fluid management system of claim 1, wherein the plurality of independently activatable ultraviolet energy delivering substrates include a trivalent phosphate configured to emit ultraviolet light C energy in the presence of an energy stimulus.

12. The at least partially implantable fluid management system of claim 1, wherein the plurality of independently activatable ultraviolet energy delivering substrates include a light-emitting material configured to emit ultraviolet light energy in the presence of an electrical potential.

13. The at least partially implantable fluid management system of claim 1, wherein the plurality of independently activatable ultraviolet energy delivering substrates include a photoactive agent having one or more photo-absorption bands in the visible region of the electromagnetic spectrum.

14. The at least partially implantable fluid management system of claim 1, wherein the plurality of independently activatable ultraviolet energy delivering substrates include a light-emitting material configured to emit germicidal light.

15. The at least partially implantable fluid management system of claim 1, further comprising:

a sensor component including one or more sensors configured to detect a microbial presences proximate at least one of the outer surface or the inner surface of the body structure.

16. The at least partially implantable fluid management system of claim 15, further comprising:

a computing device operably coupled to the plurality of independently activatable ultraviolet energy delivering substrates, the computing device configured to activate one or more of the plurality of independently activatable ultraviolet energy delivering substrates in response to a detected microbial presence information from the sensor component.

17. A method, comprising:

concurrently or sequentially delivering to one or more regions proximate a surface of a catheter device a spatially patterned sterilizing energy stimulus via a plurality of independently activatable ultraviolet energy delivering substrates configured to independently activate in response to a real-time detected measurand associated with a biological sample within the one or more regions proximate the surface of the catheter device.

18. The method of claim 17, wherein concurrently or sequentially delivering to one or more regions proximate the surface of the catheter device the spatially patterned sterilizing energy stimulus includes delivering a temporally patterned evanescent electromagnetic field stimulus having at least a first-in-time pattern and a second-in-time pattern, the second-in-time pattern having at least one of a polarization, an intensity, an amplitude, a phase, a wave vector (k), a pulse frequency, or a spectral power distribution different from the first-in-time pattern.

19. A method, comprising:

concurrently or sequentially delivering to one or more regions proximate a surface of a catheter device a temporally patterned sterilizing energy stimulus via a plurality of independently activatable ultraviolet energy delivering substrates configured to independently activate in response to a real-time detected measurand associated with at least one of temporal metabolite information or spatial metabolite information associated with a biological sample within the one or more regions proximate the surface of the catheter device.