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1. WO2021067809 - POINT OF CARE ULTRAVIOLET DISINFECTION SYSTEM

Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

[ EN ]

CLAIMS

What is claimed is:

1. A UV disinfection device for disinfecting catheter connectors, comprising

a body having a first end and a second end, the body shaped to be held in a hand of a user;

a generally barrel shaped chamber positioned at or near the first end of the body and configured to receive a catheter connector therein; and

a plurality of UV-C LEDs positioned along a perimeter of a cross-section of the chamber.

2. The disinfection device of claim 1, further comprising a disinfection progress indicator.

3. The disinfection device of claim 2, wherein the disinfection progress indicator comprises a plurality of LEDs that change color, intensity or frequency of pulsing to indicate progress of disinfection.

4. The disinfection device of any of claims 1-3, further comprising a battery charge indicator.

5. The disinfection device of any of claims 2-5, further comprising a sensor to sense insertion of a component into the chamber.

6. The disinfection device of claim 5, wherein insertion of a component is operable to trigger at least one of activation, authentication, and logging disinfection information using a controller of the device.

7. The disinfection device of claims 5 or 6, wherein the sensor is configured to interact with a tag on the component configured to be inserted in the chamber.

8. The disinfection device of any of claims 1-7, wherein the device includes a head portion positioned at an angle relative to a body portion.

9. The disinfection device of any of claims 1-8, further comprising a UV-C LED positioned towards an end of the chamber.

10. The disinfection device of any of claims 1-9, further comprising a charging dock.

11. The disinfection device of claim 10, wherein the charging dock is configured to wirelessly charge the disinfection device.

12. The disinfection device of claims 10-11, wherein the charging dock is configured to be mounted to an IV pole.

13. The disinfection device of any of claims 10-12, wherein the charging dock comprises a receptacle for receiving the first end of the device, the receptacle including a UV-C LED for disinfecting the first end.

14. The disinfection device of any of claims 1-13, wherein the plurality of UV-C LEDs comprises about 4-12 UV-C LEDs positioned within the chamber.

15. The disinfection device of any of claims 1-14, wherein the plurality of UV-C LEDs comprises 8 LEDs grouped in four pairs along the perimeter of the cross section.

16. The disinfection device of any of claims 1-15, wherein the UV-C LEDs are equally spaced around the perimeter.

17. The disinfection device of any of claims 1-16 further comprising a mobile power pack.

18. The disinfection device of any of claims 1-17, wherein the UV-C LEDs are symmetrical about a longitudinal axis of the chamber.

19. The disinfection device of any of claims 1-18, wherein the device is configured to transmit data to a separate device or database through a wired or wireless connection.

20. The disinfection device of any of claims 1-19, further comprising one or more sensors for providing feedback indicative of the operation of the UV-C LEDs.

21. The disinfection device of any of claims 1-20, wherein the disinfection device is operable at a disinfection cycle that is about 1 second in duration.

22. The disinfection device of any of claims 1-21, wherein the chamber has a generally square cross section at at least a portion thereof for conforming to a correspondingly-shaped connector.

23. An apparatus for disinfecting a component or an universal adapter used in conjunction with an intravascular access site comprising a catheter hub, a component or an universal adapter and a disinfecting unit adapted and configured for engaging with one or more of the component or the universal adapter by engagement to provide disinfection irradiating energy generated by the disinfecting unit to all or a portion of the component or the adapter via one or more specifically positioned substantially UV transparent surface in the component or universal adapter to facilitate disinfection of an end portion or an interior portion of the component or universal adapter sufficient to disinfect the same.

24. An apparatus of claim 23 wherein the disinfecting unit engages with the component or the universal adapter by performing one or more of a closing a lid, sliding, inserting, clamping, or snapping action.

25. An apparatus of claims 23 or 24 for disinfecting an access site. the disinfecting unit comprising a UV-C transparent portion and an irradiating energy system for controllably irradiating a component or a universal adapter or a manifold adjacent to said UV-C transparent portion including plural sources of UV-C radiation disposed in a pattern for emitting UV-C radiation in a direction towards substantially all or a portion of the component or universal adapter and including a computer controller for controllably energizing said plural sources of UV radiation and to provide information related to operation of the disinfecting system to a local or remote user via a computer network.

26. An apparatus according to claims 23-25, wherein the disinfecting unit includes features adapted and configured for complementary engagement with the component, the manifold or the universal adapter to be disinfected.

27. An apparatus according to claim 26 wherein the features are one or more of electronic, mechanical, friction or optical.

28. The apparatus of any of claims 23-27, further comprising one or more sensors for providing feedback indicative of the operation of the UV-C LEDs.

29. The apparatus of any of claims 23-28, wherein the apparatus is operable at a disinfection cycle that is about 1 second in duration.

30. A device for disinfecting a universal adapter connector, the device comprising a housing containing a UV light source, the UV light source being operably connected to a power source, the housing further comprising a receptacle for specifically receiving or engaging with the universal adapter connector, wherein the universal adapter connector is exposed to emitted light from the UV light source when the universal adapter connector is received by the receptacle.

31. The device of claim 30, further comprising a patient worn catheter hub configured to be selectively inserted by and retained within the receptacle, the patient worn catheter hub having an inner reflection portion or a transparent portion configured to reflect or permit passage of UV light emitted from the UV light source.

32. The device of claim 31, wherein the patient worn catheter hub configured to receive a manifold having an internal surface or features configured to receive one or more universal adapter connector and to orient same for optimal interaction with UV light from the disinfecting unit.

33. The device of any of claims 30-32, further comprising a UV transparent shell in a friction fit, hinged or sliding arrangement to position over a patient worn catheter hub adapted and configured to interact with a handheld or portable disinfecting unit.

34. The device of claim 31 wherein the patient worn catheter hub includes an adhesive backing or a frame to retain a component or universal connector.

35. The device of claim 30 further comprising one or more attachment or engagement features configured to selectively attach in a specifically desired orientation a component, universal connector, a catheter hub or patient worn access device in relation to a portable disinfection unit, a mobile disinfection unit or a disinfection unit integrated into a patient bed who has the vascular access site receiving the disinfection operation.

36. The device of any of claims 30-35, wherein the UV light source includes at least one or a plural arrangement of an UV-C UED.

37. The device of any of claims 30-36, further comprising a timer electronically coupled to the irradiation source or the UV light source or one or more UV-LED to turn off the light source after a predetermined time period.

38. The device of any of claims 30-37, further comprising a disinfection status indicator configured to communicate to a user a disinfection status of the disinfection operation performed by a disinfection unit including one or more lights configured into a bar, arc, ring or other shape to indicate a disinfection status.

39. The device of any of claims 30-38, further comprising an input device for receiving an identification of at least one of the universal adapter connector, the disinfection unit, and the patient ID.

40. The device of claim 39, further comprising an output for communicating the identification of at least one of the universal adapter connector, the disinfection unit and the patient ID.

41. The device of any of claims 30-40, further comprising one or more sensors for providing feedback indicative of the operation of the UV-C LEDs.

42. The device of any of claims 30-41, wherein the device is operable at a disinfection cycle that is about 1 second in duration.

43. A method for disinfecting a connector for catheter connections, comprising

inserting the connector within a connector opening of a handheld UV disinfection device, the connector opening comprising a plurality of UV-C LEDs equidistantly positioned around a perimeter of the connector at two or more cross sectional planes along a length of the connector; and

activating the device to irradiate the connector with UV-C light.

44. The method of claim 43, further comprising sensing insertion of the connector into the device using a sensor in the device.

45. The method of claim 44, further comprising the device initiating disinfection upon sensing insertion of the connector into the device.

46. The method of any of claims 43-45, further comprising the device logging insertion of the connector into the device.

47. The method of any of claims 43-46, further comprising the device logging complete disinfection cycles.

48. The method of any of claims 43-47, further comprising the device logging incomplete disinfection cycles.

49. The method of any of claims 43-48, further comprising the device sending disinfection information to a separate device.

50. The method of any of claims 43-49, further comprising the device alerting the user to initiate a disinfection cycle.

51. The method of any of claims 43-50, further comprising the device indicating disinfection progress.

52. The method of any of claims 43-51, further comprising the device indicating battery charge level.

53. The method of any of claims 43-52, further comprising placing the device in a charging dock following completion of disinfection.

54. The method of claim 53, wherein placing the device in the charging dock activates an LED in the charging dock to disinfect the connector opening of the device.

55. The method of claims 53 or 54, wherein placing the device in the charging dock activates the plurality of UV-C LEDs in the device to disinfect the connector opening of the device.

56. The method of any of claims 43-55, wherein activating the device comprises applying a current of about 200 mA to 800 mA.

57. The method of any of claims 43-56, wherein activating the device comprises applying a voltage of about 3 V to about 10V.

58. The method of any of claims 43-57, wherein the UV-C LEDs have a wavelength of about 250-300 nm.

59. The method of any of claims 43-58, wherein activating the device comprises activating the device for about 10-20 seconds.

60. The method of any of claims 43-58, wherein activating the device comprises activating the device for about 15 seconds.

61. The method of any of claims 43-58, wherein activating the device comprise activating the device for about 1 second.

62. The method of any of claims 43-61, wherein inserting the connector comprises engaging a mating feature of the connector with a mating feature of the connector opening.

63. The method of any of claims 43-62, wherein inserting the connector comprises engaging electrical contacts on the connector with electrical contacts within the opening.

64. The method of any of claims 43-63, further comprising using a light sensor within the connector opening to verify light output of at least one of the UV-C LEDs.

65. A method for disinfecting a universal adapter connector, component or manifold comprising:

inserting, sliding, clamping or covering a universal connector, manifold or component with a portion of a disinfection unit according to claim 1 after performing a step of inserting, sliding, clamping or covering according to the operable requirements of the disinfection unit, exposing the universal adapter connector, component or manifold to light emitted from a UV light source of the disinfection unit for a predetermined length of time.

66. The method of claim 65, wherein the UV light source emits light in a portion of the UV-C spectrum or having a wavelength from approximately 290 nm to approximately 100 nm.

67. The method of claims 65 or 66, wherein the predetermined length of time is approximately 1 second, 5 seconds, 10 seconds, 20 seconds, 30 seconds, 40 seconds or 50 seconds or less.

68. The method of any of claims 65-69, further comprising a step for sending a disinfection status of the disinfection unit operation or an indication of operation to a remote computer system.

69. The method of any of claims 61-64, further comprising: identifying the universal adapter connector, component or manifold; identifying a disinfection status of the disinfection unit; identifying the patient name, patient ID, or patient sate of birth, sending the disinfection status, the identification of the universal adapter connector, component or manifold, and the patient name, patient ID or patient date of birth to a remote computer system; and storing the sent information in an electronic medical record.

70. The method of any of claims 65-69, wherein the electronic medical record is the electronic medical record of the patient.

71. The method of any of claims 65-70, wherein a step of sending the disinfection status and the identification of the disinfection unit or other information to a remote computer system is achieved using at least one of a wireless antenna, an electrical connection, an RFID transmitter, a Bluetooth transmitter, an audio speaker, and a manual input device.

72. A hand held device or apparatus as in any of the above claims further configured to include one or more of an editable electronic display, function indicators, status indicators, use indicators or patient information in a variety of different configurations for showing one or more of a patient name, a hospital ID, an editable electronic display and a frequency of use indicator.

73. A disposable patient worn base adapted and configured for use according to any of the above claimed devices or methods so as to couple with a catheter hub or one or more connectors in order to maintain a relative position and orientation of the hub and connector to an intraluminal line in the patient and optionally in a position to enable coupling to a portable or handheld disinfecting unit for the disinfection of the one or more connectors individually or simultaneously while still connected to the patient.