Medical device tube

• US 20070012317A1
• Filed: 07/08/2005
• Published: 01/18/2007
• Est. Priority Date: 07/08/2005
• Status: Abandoned Application

• Current Assignee: Nellcor Puritan Bennett Incorporated (Medtronic Plc)
• Original Assignee: Nellcor Puritan Bennett Incorporated (Medtronic Plc)
• Inventors: Kling, Carl, Thomas, Ralph, Clement, Douglas, Flagler, Robert
• Application Number:
  US11/177,925
• Publication Number:
  US 20070012317A1
• Time in Patent Office: Days
• US Class Current: 128/207.140
• CPC Class Codes: A61M 16/0427 with removable and re-insertable liner tubes, e.g. for cleaning
• CPC Class Codes: A61M 16/0434 Cuffs
• CPC Class Codes: A61M 16/0465 Tracheostomy tubes; Devices for performing a tracheostomy; Accessories therefor, e.g. masks, filters
• CPC Class Codes: A61M 16/0468 with valves at the proximal end limiting exhalation, e.g. during speaking or coughing air passages from trachea to oesophagus or to pharynx, artificial epiglottis A61F2/203
• CPC Class Codes: A61M 16/0488 Mouthpieces; Means for guiding, securing or introducing the tubes guiding or introducing with laryngoscopes A61B1/267; holding devices on the body A61M25/02
• CPC Class Codes: A61M 16/08 Bellows; Connecting tubes having means for taking samples G01N1/22; Water traps; Patient circuits
• CPC Class Codes: A61M 16/0816 Joints or connectors

Abstract

A medical device tube comprising a cannula having a formed end and a connector that tightly holds the formed end of the cannula between first and second portions of the connector.

Claims

1. A medical device tube, comprising:

a cannula having a formed end; and

a connector comprised of a first portion and a second portion, wherein the cannula and the connector are coupled together by the formed end of the cannula being held between the first and second portions of the connector.

2. The medical device tube according to claim 1, wherein the first portion comprises a plurality of first portions.

3. The medical device tube according to claim 1, wherein the second portion comprises a plurality of second portions.

4. The medical device tube according to claim 1, wherein the first and second portions are top and bottom portions, respectively.

5. The medical device tube according to claim 1, wherein the first and second portions are bottom and top portions, respectively.

6. The medical device tube according to claim 1, wherein the formed end comprises a flared end.

7. The medical device tube according to claim 1, wherein the formed end comprises a flute-shaped end.

8. The medical device tube according to claim 1, wherein the formed end comprises a fillet end.

9. The medical device tube according to claim 1, wherein the formed end comprises a chamfered end.

10. The medical device tube according to claim 1, wherein the formed end comprises a circumferential bead end.

11. The medical device tube according to claim 1, wherein the formed end is attached to the cannula.

12. The medical device tube according to claim 1, wherein the formed end comprises circumferential features, wherein the circumferential features comprise at least one of depressions, ridges, or valleys and combinations thereof.

13. The medical device tube according to claim 12, wherein the circumferential features substantially match retaining features of the connector.

14. The medical device tube according to claim 13, wherein the retaining features are integral with the first portion of the connector.

15. The medical device tube according to claim 13, wherein the retaining features are integral with the second portion of the connector.

16. The medical device tube according to claim 13, wherein the retaining features are integral with the first and second portions of the connector.

17. The medical device tube according to claim 1, wherein the formed end of the cannula is in frictional cooperation with the first and second portions of the connector.

18. The medical device tube according to claim 1, wherein the formed end of the cannula is in frictional cooperation with the first portion of the connector.

19. The medical device tube according to claim 1, wherein the formed end of the cannula is held in frictional cooperation with the second portion of the connector.

20. The medical device tube according to claim 1, wherein the first portion of the connector is substantially smooth.

21. The medical device tube according to claim 1, wherein the first portion of the connector is substantially textured.

22. The medical device tube according to claim 1, wherein the second portion of the connector is substantially smooth.

23. The medical device tube according to claim 1, wherein the second portion of the connector is substantially textured.

24. The medical device tube according to claim 1, wherein the first and second portions of the connector are substantially smooth.

25. The medical device tube according to claim 1, wherein the first and second portions of the connector are substantially textured.

26. The medical device tube according to claim 1, comprising at least one groove on the first portion of the connector, wherein the at least one groove grips the formed end of the cannula.

27. The medical device tube according to claim 26, wherein the at least one groove is continuous.

28. The medical device tube according to claim 26, wherein the at least one groove is non-continuous.

29. The medical device tube according to claim 26, wherein the second portion of the connector biases the formed end of the cannula toward the at least one groove of the first portion of the connector.

30. The medical device tube according to claim 1, comprising at least one ridge on the first portion of the connector, wherein the at least one ridge grips the formed end of the cannula.

31. The medical device tube according to claim 30, wherein the at least one ridge is continuous.

32. The medical device tube according to claim 26, wherein the at least one ridge is non-continuous.

33. The medical device tube according to claim 30, wherein the second portion of the connector biases the formed end of the cannula toward the at least one ridge of the first portion of the connector.

34. The medical device tube according to claim 30, wherein the at least one ridge of the first portion of the connector aligns a central axis of the cannula with an axis of the connector.

35. The medical device tube according to claim 1, comprising a plurality of alternating ridges and grooves on the first portion of the connector, wherein the plurality of alternating ridges and grooves holds the formed end of the cannula.

36. The medical device tube according to claim 1, comprising barbs on the first portion of the connector, wherein the barbs hold the formed end of the cannula.

37. The medical device tube according to claim 1, comprising barbs on the second portion of the connector, wherein the barbs hold the formed end of the cannula.

38. The medical device tube according to claim 35, wherein the second portion of the connector biases the formed end of the cannula toward the plurality of alternating ridges and grooves on the first portion of the connector.

39. The medical device tube according to claim 35, wherein the plurality of alternating ridges and grooves on the first portion of the connector form concentric circles thereon.

40. The medical device tube according to claim 1, comprising:

a first plurality of alternating ridges and grooves on the first portion of the connector; and

a second plurality of alternating grooves and ridges on the second portion of the connector that are substantially aligned with the first plurality of alternating ridges and grooves on the first portion of the connector,

wherein the ridges of the first plurality bias the formed end of the cannula toward the grooves of the second plurality and the ridges of the second plurality bias the formed end of the cannula toward the grooves of the first plurality,

thereby gripping the formed end of the cannula .

41. The medical device tube according to claim 1, comprising adhesive between the formed end of the cannula and the first portion of the connector.

42. The medical device tube according to claim 1, comprising adhesive between the formed end of the cannula and the second portion of the connector.

43. The medical device tube according to claim 1, comprising adhesive between the formed end of the cannula and the first and second portions of the connector.

44. The medical device tube according to claim 1, wherein a surface texture of the first portion of the connector proximate to the formed end of the cannula is selected from the group consisting of smooth, textured, rough, dimpled, grainy, bumps, barbs, pins and patterns having relief, and combinations thereof.

45. The medical device tube according to claim 1, wherein a surface texture of the second portion of the connector proximate to the formed end of the cannula is selected from the group consisting of smooth, textured, rough, dimpled, grainy, bumps, barbs, pins and patterns having relief, and combinations thereof.

46. The medical device tube according to claim 1, wherein the first and second portions of the connector snap together.

47. The medical device tube according to claim 1, wherein the first and second portions of the connector are welded together.

48. The medical device tube according to claim 47, wherein the welding is selected from the group consisting of ultrasonic, radio frequency, laser, hot plate and spin welding.

49. The medical device tube according to claim 1, wherein the first and second portions of the connector are bonded together.

50. The medical device tube according to claim 1, wherein the first and second portions of the connector are attached together with adhesive.

51. The medical device tube according to claim 1, wherein the first and second portions of the connector are attached together with screws.

52. The medical device tube according to claim 1, wherein the first and second portions of the connector are screwed together .

53. The medical device tube according to claim 1, wherein the outer cannula and connector are adapted to receive an inner cannula.

54. The medical device tube according to claim 53, wherein the inner cannula is disposable.

55. The medical device tube according to claim 53, wherein the inner cannula is reusable.

56. The medical device tube according to claim 1, wherein the connector is adapted for coupling to a ventilator hose.

57. The medical device tube according to claim 1, wherein the connector is adapted for coupling to a speaking valve.

58. The medical device tube according to claim 1, wherein the connector is adapted for coupling to a resuscitator bag.

59. The medical device tube according to claim 1, wherein the connector is adapted for coupling to a neck flange, wherein the neck flange is secured to a neck of a patient.

60. A tracheostomy air passage system, said system comprising:

a tracheostomy tube comprising,

a cannula having a formed end;

a connector comprising a first portion and a second portion,

wherein the formed end of the cannula is held between the first and second portions of the connector;

a ventilator hose coupled to the connector; and

a ventilator coupled to the ventilator hose.

61. The system according to claim 60, wherein the formed end of the cannula is held in frictional cooperation with the first and second portions of the connector.

62. The system according to claim 60, wherein the formed end of the cannula is attached to the first portion of the connector with adhesive.

63. The system according to claim 60, wherein the formed end of the cannula is attached to the second portion of the connector with adhesive.

64. The system according to claim 60, wherein the formed end of the cannula is bonded to the first portion of the connector.

65. The system according to claim 60, wherein the formed end of the cannula is bonded to the second portion of the connector.

66. The system according to claim 60, wherein the cannula and connector are adapted for insertion of an inner cannula.

67. The system according to claim 66, wherein the inner cannula is disposable.

68. The system according to claim 66, wherein the inner cannula is reusable.