Medical devices

• US 7,232,429 B2
• Filed: 04/08/2002
• Issued: 06/19/2007
• Est. Priority Date: 04/08/2002
• Status: Expired due to Fees

• Current Assignee: Boston Scientific Corporation
• Original Assignee: Boston Scientific Corporation
• Inventors: Moreci, Steve
• Primary Examiner(s): WILLIAMS, CATHERINE SERKE
• Application Number:
  US10/117,947
• Publication Number:
  US 20030191356A1
• Time in Patent Office: 1,898 Days
• Field of Search: 604/890.1, 604/891.1, 60428801-28804, 606 1- 8, 607 88- 94
• US Class Current: 604/288.01
• CPC Class Codes: A61M 39/0208 Subcutaneous access sites for injecting or removing fluids transcutaneous access sites A61M39/0247; implantable infusion devices A61M5/14276
• CPC Class Codes: A61N 2005/0661 ultraviolet
• CPC Class Codes: A61N 5/0601 Apparatus for use inside the body
• CPC Class Codes: A61N 5/1001 using radiation sources introduced into or applied onto the body; brachytherapy

Abstract

A medical device includes a cavity communicable with a body to deliver or to receive a fluid, and a radiation source configured to expose a portion of the cavity to radiation.

Claims

1. A medical device, comprising:

a port defining a cavity, the port comprising a penetrable portion;

a plurality of radiation sources in the cavity; and

a catheter in fluid communication with the cavity.

2. A medical device, comprising:

a port comprising a housing defining a cavity, the port comprising a penetrable portion;

a radiation source in the cavity;

a controller interfaced with the radiation source, the controller controlling the radiation source based on the presence of injectable material in the cavity; and

a catheter in fluid communication with the cavity.

3. A medical device, comprising:

a cavity communicable with a body to deliver or to receive a fluid;

a radiation source configured to expose a portion of tire cavity to radiation; and

a controller in electrical communication with the radiation source, wherein the controller controls the radiation source based on the presence of injectable material in the cavity.

4. The device of claim 3, wherein the controller is configured to detect a change in electrical resistance.

5. A medical device, comprising:

a port comprising a housing defining a cavity, the port comprising a penetrable portion;

a radiation source in the cavity, the radiation source being secured to the cavity and capable of emiting ultraviolet radiation;

a controller interfaced with the radiation source, the controller controlling the radiation source based on the presence of injectable material in the cavity; and

catheter in fluid communication with the cavity.

6. The device of claim 5, further comprising a plurality of radiation sources in the cavity.

7. The device of claim 5, wherein the radiation source is arranged such that substantially the entire surface of the cavity is exposed to radiation from the source.

8. The device of claim 5, wherein the radiation source is capable of radiating ultraviolet-C radiation.

9. The device of claim 5, further comprising a second radiation source in the catheter.

10. The device of claim 5, further comprising a plurality of radiation sources positioned axially along the length of the catheter.

11. The device of claim 10, wherein the plurality of radiation sources are radially centered along the catheter.

12. The device of claim 5, wherein the penetrable portion comprises a self-sealing material.

13. The device of claim 5, wherein the penetrable portion is penetrable by an injection needle.

14. The device of claim 5, wherein the port is configured to be implanted subcutaneously.

15. A medical device, comprising:

a port comprising a housing defining a cavity, the port comprising a penetrable portion;

a plurality of radiation sources in the cavity, the radiation sources being secured to the cavity and capable of emitting ultraviolet radiation; and

a catheter in fluid communication with the cavity.

16. The device of claim 15, wherein the radiation sources are arranged such that substantially the entire surface of the cavity is exposed to radiation from the sources.

17. The device of claim 15, wherein the radiation sources are capable of radiating ultraviolet-C radiation.

18. The device of claim 15, further comprising a controller interfaced with the radiation sources.

19. The device claim 18, wherein the controller controls the radiation sources based on the presence of injectable material in the cavity.

20. The device of claim 15, further comprising a radiation source in the catheter.

21. The device of claim 15, wherein the radiation sources are positioned axially along the length of the catheter.

22. The device of claim 21, wherein the radiation sources are radially centered along the catheter.

23. The device of claim 15, wherein the penetrable portion comprises a self-sealing material.

24. The device of claim 15, wherein the penetrable portion is penetrable by an injection needle.

25. The device of claim 15, wherein the port is configured to be implanted subcutaneously.

26. A medical device, comprising:

a port comprising a housing defining a cavity, the port comprising a penetrable portion;

a radiation source in the cavity, the radiation source being secured to the cavity and capable of emitting ultraviolet radiation;

a catheter in fluid communication with the cavity; and

a second radiation source in the catheter.

27. The device of claim 26, further comprising a plurality of radiation sources in the cavity.

28. The device of claim 26, wherein the radiation source is arranged such that substantially the entire surface of the cavity is exposed to radiation from the source.

29. The device of claim 26, wherein the radiation source and second radiation source are capable of radiating ultraviolet-C radiation.

30. The device of claim 26, further comprising a controller interfaced with the radiation sources.

31. The device of claim 30, wherein the controller controls the radiation sources based on the presence of injectable material in the cavity.

32. The device of claim 26, further comprising a plurality of radiation sources positioned axially along the length of the catheter.

33. The device claim 32, wherein the radiation sources are radially centered along the catheter.

34. The device of claim 26, wherein the penetrable portion comprises a self-sealing material.

35. The device of claim 26, wherein the penetrable portion is penetrable by an injection needle.

36. The device of claim 26, wherein the port is configured to be implanted subcutaneously.

37. A medical device, comprising:

a port comprising a housing defining a cavity, the port comprising a penetrable portion;

a radiation source in the cavity, the radiation source being capable of emitting ultraviolet radiation;

a controller interfaced with the radiation source, the controller controlling the radiation source based on the presence of injectable material in the cavity; and

a catheter in fluid communication with the cavity.

38. The device of claim 37, further comprising a plurality of radiation sources in the cavity.

39. The device of claim 37, wherein the radiation source is arranged such that substantially the entire surface of the cavity is exposed to radiation from the source.

40. The device of claim 37, wherein the radiation source is capable of radiating ultraviot-C radiation.

41. The device of claim 37, further comprising a second radiation source in the catheter.

42. The device of claim 37, further comprising a plurality of radiation sources positioned axially along the length of the catheter.

43. The device of claim 42, wherein the plurality of radiation sources are radially centered along the catheter.

44. The device of claim 37, wherein the penetrable portion comprises a self-sealing material.

45. The device of claim 37, wherein the penetrable portion is penetrable by an injection needle.

46. The device of claim 37, wherein the port is configured to be implanted subcutaneously.

47. A medical device, comprising:

a port comprising a housing defining a cavity, the port comprising a penetrable portion;

a plurality of radiation sources in the cavity, the radiation sources being capable of emitting ultraviolet radiation; and

a catheter in fluid communication with the cavity.

48. The device of claim 47, wherein the radiation sources are arranged such that substantially the entire surface of the cavity is exposed to radiation from the sources.

49. The device of claim 47, wherein the radiation sources are capable of radiating ultraviolet-C radiation.

50. The device of claim 47, further comprising a controller interfaced with the radiation sources.

51. The device or claim 50, wherein the controller controls the radiation sources based on the presence of injectable material in the cavity.

52. The device of claim 47, further comprising a radiation source in the catheter.

53. The device of claim 47, wherein the radiation sources are positioned axially along the length of the catheter.

54. The device of claim 53, wherein the radiation sources are radially centered along the catheter.

55. The device of claim 47, wherein the penetrable portion comprises a self-sealing material.

56. The device of claim 47, wherein the penetrable portion is penetrable by an injection needle.

57. The device of claim 47, wherein the port is configured to be implanted subcutaneously.

58. A medical device, comprising:

a port comprising a housing defining a cavity, the port comprising portion;

a radiation source in the cavity, the radiation source being capable of emitting ultraviolet radiation;

a catheter in fluid communication with the cavity; and

a second radiation source in the catheter.

59. The device of claim 58, further comprising a plurality of radiation sources in the cavity.

60. The device of claim 58, wherein the radiation source is arranged such that substantially the entire surface of the cavity is exposed to radiation from the source.

61. The device of claim 58, wherein the radiation source and second radiation source are capable of radiating ultraviolet-C radiation.

62. The device of claim 58, further comprising a controller interfaced with the radiation sources.

63. The device of claim 62, wherein the controller controls the radiation sources based on the presence of injectable maternal in the cavity.

64. The device of claim 58, further comprising plurality of radiation sources positioned axially along the length of the catheter.

65. The device of claim 64, wherein the radiation sources are radially centered along the catheter.

66. The device of claim 58, wherein the penetrable portion comprises a self-sealing material.

67. The device of claim 58, wherein the penetrable portion is penetrable by an injection needle.

68. The device of claim 58, wherein the port is configured to be implanted subcutaneously.