Viewing system with adapter handle for medical breathing tubes

• US 5,941,816 A
• Filed: 04/15/1997
• Issued: 08/24/1999
• Est. Priority Date: 04/15/1997
• Status: Expired due to Term

• Current Assignee: Clarus Medical LLC
• Original Assignee: Clarus Medical Systems, Inc.
• Inventors: Klemmer, George A., Brown, Mark F., Barthel, Thomas C., Shikani, Alan H.
• Primary Examiner(s): FLANAGAN, BEVERLY MEINDL
• Application Number:
  US08/834,266
• Time in Patent Office: 861 Days
• Field of Search: 600/120, 600/131, 600/188, 600/194, 128/200.26, 128/207.14, 128/207.15
• US Class Current: 600/120
• CPC Class Codes: A61B 1/00165 with light-conductive means, e.g. fibre optics A61B1/07 takes precedence
• CPC Class Codes: A61B 1/127 with means for preventing fogging A61B1/253 takes precedence
• 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 16/0488 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

Abstract

A viewing system for use with a breathing tube such as an endotracheal intubation tube or a tracheostomy tube and a viewing assembly having a viewing conduit for indirectly viewing the tracheal area of a patient into which the breathing tube is being inserted and for guiding the tube into place within the patient'"'"'s trachea is disclosed. The viewing system also incorporates an adapter handle which allows the viewing assembly to be used with breathing tubes of varied lengths.

Claims

1. A viewing system for use with a breathing tube;

the breathing tube having a proximal end, a distal end, defining a lumen between the ends, and having a first mounting element on the proximal end;

the viewing system comprising;

(a) a viewing assembly including a shaft having a proximal end and a distal end, and a viewing conduit carried by the shaft with a coupling on the conduit for connecting the conduit to an image viewing apparatus; and

(b) an adapter handle having a second mounting element adapted to cooperate with the first breathing tube mounting element such that the adapter handle movably receives the shaft when the first and second mounting elements are not associated and holds the shaft in place where it has been moved within the lumen of the breathing tube when the first and second mounting elements are operably associated.

2. The viewing system of claim 1 wherein the adapter handle further comprises an elongated hollow body having two ends and defining a channel between the ends for movably receiving the shaft when the adapter handle is unmounted, and holding the shaft in place inside of the breathing tube when the first and second mounting elements are operably associated.

3. The viewing system of claim 2 wherein the elongated hollow body defines a substantially longitudinal slot having a predetermined width and extending radially from the channel and axially through the second mounting element such that the slot becomes narrower when the first mounting element cooperates with the second mounting element so that the shaft is held in place within the breathing tube.

4. The viewing system of claim 2 wherein the adapter handle defines an axis and the elongated hollow body defines a substantially longitudinal shaft receiving slot extending radially from the axis and axially through the elongated hollow body and through the second mounting element, and wherein the second mounting element defines a clamping slot extending radially from the axis and axially through the second mounting element.

5. The viewing system of claim 1 wherein the shaft is malleable such that it substantially retains its shape to which it is bent.

6. The viewing system of claim 1 wherein the shaft is tubular, and the viewing conduit is carried within the shaft.

7. The viewing system of claim 6 wherein the viewing conduit is a fiber-optic bundle.

8. A viewing system for use with a breathing tube;

the breathing tube having a proximal end, a distal end, defining a lumen between the ends, and having a first mounting element on the proximal end;

the viewing system comprising;

(a) a viewing assembly including a shaft having a proximal end and a distal end, and a viewing conduit carried by the shaft with a coupling on the conduit for connecting the conduit to an image viewing apparatus;

(b) an adapter handle having a second mounting element adapted to cooperate with the breathing tube first mounting element such that the adapter handle movably receives the shaft when the first and second mounting elements are not associated and holds the shaft in place within the lumen of the breathing tube when the first and second mounting elements are operably associated;

the adapter handle further having an elongated hollow body having two ends and defining a channel between the ends for movably receiving the shaft when the adapter handle is unmounted, and holding the shaft in place inside of the breathing tube when the first and second mounting elements are operably associated; and

the second mounting element including a locking section at one end of the elongated hollow body adapted to cooperate with the first mounting element, and the first mounting element including a hollow cylinder having an inner surface defining a cavity dimensioned such that an interference fit is produced between the first and second mounting elements when the locking section is mounted within the cavity.

9. The viewing system of claim 8 wherein the locking section is tapered and the inner surface defining the cavity is substantially cylindrical.

10. The viewing system of claim 8 wherein the locking section is substantially cylindrical and the inner surface defining the cavity is tapered.

11. A viewing system for use with a breathing tube;

the breathing tube having a proximal end, a distal end, defining a lumen between the ends, and having a first mounting element on the proximal end;

the viewing system comprising;

(a) a viewing assembly including a malleable shaft having a proximal end, a distal end, and a length such that the malleable shaft is longer than the breathing tube; and

a viewing conduit having a fiber-optic bundle carried by the malleable shaft with a coupling on the viewing conduit for connecting the viewing conduit to an image viewing apparatus; and

(b) an adapter handle having an elongated hollow body with two ends, defining a channel between the ends for movably receiving the shaft, and having a second mounting element on one end of the elongated hollow body for slidably receiving and holding the malleable shaft at a desired location in place within the lumen of the breathing tube when the breathing tube first and mounting element second mounting element are operably associated.

12. The viewing system of claim 11 wherein the shaft is tubular, and the viewing conduit is carried within the shaft.

13. The viewing system of claim 11 wherein the adapter handle defines an axis and the elongated hollow body defines a substantially longitudinal shaft receiving slot extending radially from the axis and axially through the elongated hollow body and through the second mounting element, and wherein the second mounting element defines a clamping slot extending radially from the axis and axially through the second mounting element.

14. A viewing system for use with a breathing tube;

the breathing tube having a proximal end, a distal end, defining a lumen between the ends, and having a first mounting element on the proximal end;

the viewing system comprising;

(a) a viewing assembly including a malleable shaft having a proximal end, a distal end, and a length such that the malleable shaft is longer than the breathing tube; and

a viewing conduit having a fiber-optic bundle carried by the malleable shaft with a coupling on the viewing conduit for connecting the viewing conduit to an image viewing apparatus;

(b) an adapter handle having an elongated hollow body with two ends, defining a channel between the ends for movably receiving the shaft, and having a second mounting element on one end of the elongated hollow body for receiving and holding the malleable shaft in place within the lumen of the breathing tube when the breathing tube first mounting element and second mounting element are operably associated; and

the second mounting element including a locking section at one end of the elongated hollow body adapted to cooperate with the first mounting element, and the first mounting element including a hollow cylinder having an inner surface defining a cavity dimensioned such that an interference fit is produced between the first and second mounting elements when the locking section is mounted within the cavity.

15. The viewing system of claim 14 wherein the locking section is tapered and the inner surface defining the cavity is substantially cylindrical.

16. The viewing system of claim 14 wherein the locking section is substantially cylindrical and the inner surface defining the cavity is tapered.

17. A viewing system for use with a breathing tube;

the breathing tube having a proximal end, a distal end, defining a lumen between the ends, and having a first mounting element on the proximal end;

the viewing system comprising;

(a) a viewing assembly including a malleable shaft having a proximal end, a distal end, and a length such that the malleable shaft is longer than the breathing tube; and

a viewing conduit having a fiber-optic bundle carried by the malleable shaft with a coupling on the viewing conduit for connecting the viewing conduit to an image viewing apparatus;

(b) an adapter handle having an elongated hollow body with two ends, defining a channel between the ends for movably receiving the shaft, and having a second mounting element on one end of the elongated hollow body for receiving and holding the malleable shaft in place within the lumen of the breathing tube when the breathing tube first mounting element and second mounting element are operably associated; and

the elongated hollow body defining a substantially longitudinal slot having a predetermined width and extending radially from the channel and axially through the second mounting element such that the second mounting element is divided into two halves, and the first mounting element cooperates with the second mounting element creating an interference fit between the first and second mounting elements causing the slot to become narrower such that the two halves of the second mounting element squeeze the malleable shaft and hold the malleable shaft in place within the breathing tube.

18. A viewing system for use with a breathing tube;

the breathing tube having a proximal end, a distal end, defining a lumen between the ends, and having a first mounting element on the proximal end;

the viewing system comprising;

(a) a viewing assembly including a shaft having a proximal end and a distal end, and a viewing conduit carried by the shaft with a coupling on the conduit for connecting the conduit to an image viewing apparatus;

(b) an adapter handle having a second mounting element adapted to cooperate with the breathing tube first mounting element such that the adapter handle movably receives the shaft when the first and second mounting elements are not associated and holds the shaft in place within the lumen of the breathing tube when the first and second mounting elements are operably associated; and

the adapter handle including a collar extending radially from the second mounting element, the adapter handle defining an axis, a substantially longitudinal shaft receiving slot extending radially from the axis and axially through the adapter handle, and a substantially longitudinal clamping slot extending radially from the axis and axially through the second mounting element, such that the clamping slot is operably associated with the shaft receiving slot.

19. A viewing system for use with a tube for insertion into a cavity of a body;

the tube having a proximal end, a distal end, defining a lumen between the ends, and having a first mounting element on the proximal end;

the viewing system comprising;

(a) a viewing assembly including a malleable shaft having a proximal end, a distal end, and a length such that the malleable shaft is longer than the tube; and

a viewing conduit having a fiber-optic bundle carried by the malleable shaft with a coupling on the viewing conduit for connecting the viewing conduit to an image viewing apparatus; and

(b) an adapter handle having an elongated hollow body with two ends, defining a channel between the ends for movably receiving the shaft, and having a second mounting element on one end of the elongated hollow body for receiving and holding the malleable shaft in place at a desired location within the lumen of the tube when the breathing tube first mounting element and second mounting element are operably associated.

20. The viewing system of claim 19 wherein the shaft is tubular, and the viewing conduit is carried within the shaft.

21. The viewing system of claim 19 wherein the adapter handle defines an axis and the elongated hollow body defines a substantially longitudinal shaft receiving slot extending radially from the axis and axially through the elongated hollow body and through the second mounting element, and wherein the second mounting element defines a clamping slot extending radially from the axis and axially through the second mounting element.

22. A viewing system for use with a tube for insertion into a cavity of a body;

the tube having a proximal end, a distal end, defining a lumen between the ends, and having a first mounting element on the proximal end;

the viewing system comprising;

(a) a viewing assembly including a malleable shaft having a proximal end, a distal end, and a length such that the malleable shaft is longer than the tube; and

a viewing conduit having a fiber-optic bundle carried by the malleable shaft with a coupling on the viewing conduit for connecting the viewing conduit to an image viewing apparatus;

(b) an adapter handle having an elongated hollow body with two ends, defining a channel between the ends for movably receiving the shaft, and having a second mounting element on one end of the elongated hollow body for receiving and holding the malleable shaft in place within the lumen of the tube when the breathing tube first mounting element and second mounting element are operably associated, and

the second mounting element including a locking section at one end of the elongated hollow body adapted to cooperate with the first mounting element, and the first mounting element including a hollow cylinder having an inner surface defining a cavity dimensioned such that an interference fit is produced between the first and second mounting elements when the locking section is mounted within the cavity.

23. The viewing system of claim 22 wherein the locking section is tapered and the inner surface defining the cavity is substantially cylindrical.

24. The viewing system of claim 22 wherein the locking section is substantially cylindrical and the inner surface defining the cavity is tapered.

25. A viewing system for use with a tube for insertion into a cavity of a body;

the tube having a proximal end, a distal end, defining a lumen between the ends, and having a first mounting element on the proximal end;

the viewing system comprising;

(a) a viewing assembly including a malleable shaft having a proximal end, a distal end, and a length such that the malleable shaft is longer than the tube; and

a viewing conduit having a fiber-optic bundle carried by the malleable shaft with a coupling on the viewing conduit for connecting the viewing conduit to an image viewing apparatus;

(b) an adapter handle having an elongated hollow body with two ends, defining a channel between the ends for movably receiving the shaft, and having a second mounting element on one end of the elongated hollow body for receiving and holding the malleable shaft in place within the lumen of the tube when the breathing tube first mounting element and second mounting element are operably associated; and

the elongated hollow body defining a substantially longitudinal slot having a predetermined width and extending radially from the channel and axially through the second mounting element such that the second mounting element is divided into two halves, the first mounting element cooperating with the second mounting element creating an interference fit between the first and second mounting elements causing the slot to become narrower such that the two halves of the second mounting element squeeze the malleable shaft and hold the malleable shaft in place within the tube.

26. A method for assembling a viewing system and a breathing tube;

the breathing tube having a proximal end, a distal end, defining a lumen between the ends, and having a first mounting element on the proximal end;

the method comprising;

(a) providing a viewing assembly including a shaft having a proximal end and a distal end, and a viewing conduit carried by the shaft with a coupling on the viewing conduit for connecting the viewing conduit to an image viewing apparatus;

(b) sliding an adapter handle onto the shaft, the adapter handle comprising a second mounting element for matingly cooperating with the breathing tube first mounting element;

(c) inserting the distal end of the shaft into the proximal end of the breathing tube and through the lumen;

(d) aligning the distal end of the shaft at a desired location with respect to the distal end of the breathing tube; and

(e) mating the breathing tube first mounting element and second mounting element so that the shaft is fixed in position at the desired location within the lumen of the breathing tube.

27. The method of claim 26, including providing the viewing assembly wherein the shaft is malleable.

28. The method of claim 27, further comprising bending the shaft into shape.

29. The method of claim 26, including providing the viewing assembly wherein the viewing conduit has at least one optical fiber.

30. The method of claim 26, including providing the viewing assembly wherein the shaft is tubular.

31. The method of claim 30, including providing the viewing assembly wherein the viewing conduit is carried within the shaft.

32. The method of claim 31, including providing the viewing assembly wherein the viewing conduit has at least one optical fiber.

33. The method of claim 26, including providing the adapter handle further comprising an elongated hollow body having two ends and defining a channel between the ends for movably receiving the shaft when the adapter handle is unmounted and for gripping the shaft when the first and second mating elements cooperate.

34. The method of claim 33, including providing the adapter handle defining an axis and the elongated hollow body defining a substantially longitudinal shaft receiving slot extending radially from the axis and axially through the elongated hollow body and through the second mounting element, and wherein the second mounting element defines a clamping slot extending radially from the axis and axially through the second mounting element.

35. The method of claim 26 including providing the adapter handle further comprising a collar extending radially from the second mounting element, and wherein the adapter handle defines an axis, a substantially longitudinal shaft receiving slot extending radially from the axis and axially through the adapter handle, and a substantially longitudinal clamping slot extending radially from the axis and axially through the second mounting element, such that the clamping slot is operably associated with the shaft receiving slot.

36. A method for inserting a breathing tube into the trachea of a patient;

the breathing tube having a proximal end, a distal end, defining a lumen between the ends, and a having first mounting element on the proximal end;

the method comprising;

(a) providing a viewing assembly including a malleable shaft having a proximal end and a distal end, and a viewing conduit carried by the malleable shaft with a coupling on the viewing conduit for connecting the viewing conduit to an image viewing apparatus;

(b) sliding an adapter handle onto the malleable shaft, the adapter handle comprising a second mounting element for matingly cooperating with the breathing tube first mounting element;

(c) inserting the distal end of the malleable shaft into the proximal end of the breathing tube and through the lumen;

(d) aligning the distal end of the malleable shaft at a desired location with respect to the distal end of the breathing tube;

(e) mating the breathing tube first mounting element and second mounting element so that the malleable shaft is fixed at the desired location in position within the lumen of the breathing tube;

(f) bending the malleable shaft into a desired shape for insertion into the trachea of a patient;

(g) using the image provided by the viewing system as a guide; and

(h) inserting the breathing tube into the trachea of the patient by using the adapter handle as a handle and the malleable shaft as support for manipulating the breathing tube.

37. The method of claim 36, including providing the viewing assembly wherein the viewing conduit has at least one optical fiber.

38. The method of claim 36, including providing the viewing assembly wherein the shaft is tubular.

39. The method of claim 38, including providing the viewing assembly wherein the viewing conduit is carried within the shaft.

40. The method of claim 39, including providing the viewing assembly wherein the viewing conduit has at least one optical fiber.

41. The method of claim 36, including providing the adapter handle further comprising an elongated hollow body having two ends and defining a channel between the ends for movably receiving the shaft when the adapter handle is unmounted and for gripping the shaft when the first and second mating elements cooperate.

42. The method of claim 41, including providing the adapter handle defining an axis and the elongated hollow body defining a substantially longitudinal shaft receiving slot extending radially from the axis and axially through the elongated hollow body and through the second mounting element, and wherein the second mounting element defines a clamping slot extending radially from the axis and axially through the second mounting element.

43. The method of claim 36, including providing the adapter handle further comprising a collar extending radially from the second mounting element, and wherein the adapter handle defines an axis, a substantially longitudinal shaft receiving slot extending radially from the axis and axially through the adapter handle, and a substantially longitudinal clamping slot extending radially from the axis and axially through the second mounting element, such that the clamping slot is operably associated with the shaft receiving slot.