Universal catheter handle

• US 9,308,349 B2
• Filed: 01/31/2014
• Issued: 04/12/2016
• Est. Priority Date: 02/08/2013
• Status: Active Grant

• Current Assignee: Nordson Corporation
• Original Assignee: Vention Medical Advanced Components, Inc. (Nordson Corporation)
• Inventors: Rezac, David A., Boudreau, Keith D., Fortunate, Alan
• Primary Examiner(s): Price, Nathan R
• Assistant Examiner(s): Carpenter, William
• Application Number:
  US14/169,420
• Publication Number:
  US 20140228800A1
• Time in Patent Office: 802 Days
• US Class Current: 1/1
• CPC Class Codes: A61F 2/9517 handle assemblies therefor
• CPC Class Codes: A61M 2025/09116 Design of handles or shafts or gripping surfaces thereof for manipulating guide wires
• CPC Class Codes: A61M 25/0136 Handles therefor
• CPC Class Codes: A61M 25/0147 with movable mechanical means, e.g. pull wires
• CPC Class Codes: Y10T 29/49826 Assembling or joining

Abstract

A catheter actuation handle apparatus is disclosed that is designed and configured for manipulating one or more distally-extending members to achieve translation, articulation and/or rotation of these members using the actuation handle.

Claims

1. A catheter actuation handle assembly adapted to manipulate one or more distally-extending members that connect to the catheter handle and extend from the handle to locations distal from the handle for realizing translation, articulation and/or rotation of these distally-extending members using a combination of components comprising at least a moveable component that is connected to a distally-extending member and is actuated by an associated actuation component that can be manually manipulated, said handle assembly comprising:

at least a pair of mating exterior shell halves, each exterior shell half having an exterior shell outer surface and an exterior shell inner surface, the pair of exterior shell halves being mateable with one another to form a generally cylindrically-shaped actuation handle housing having a cross-sectional shape selected from circular and ovular, and the housing defines an exterior shell cavity and a handle longitudinal axis;

at least a moveable component positioned inside the exterior shell cavity whereby the moveable component is enabled for linear movement along, and/or rotational movement about, the longitudinal axis, by engagement with one or more actuation components of the assembly;

at least a connection between the moveable component and a distally-extending member; and

,

one or more access ports through the actuation handle housing providing access into the exterior shell cavity for manipulating the moveable component and/or the actuation component from outside the actuation handle housing;

also wherein;

the actuation component comprises a pair of mating interior shell halves forming a cylindrically-shaped interior shell segment that is sized to fit inside and rotate within the exterior shell cavity;

the moveable component comprises at least a first moveable driver;

threading along an interior shell inner surface engages corresponding threading along an outer surface of the moveable driver whereby rotation of the interior shell segment via an associated access port causes linear movement of the moveable driver along the handle longitudinal axis; and

the handle assembly further comprises corresponding circumferential rib projections along the inner surfaces of the exterior shell halves and also along the outer surfaces of the interior shell halves to facilitate positioning and rotation of the interior shell inside the exterior shell cavity, and one or more knob features along the outer surface of the interior shell at locations where the knob features align with and project at least partly into or through an access port.

2. A catheter actuation handle assembly according to claim 1 wherein the handle assembly further comprises at least first and second stationary drivers of substantially the same size and shape as the moveable driver that are positioned inside the exterior shell cavity, one located proximal of and the other being distal of the interior shell segment containing the moveable driver, and also includes at least a pair of guide rails positioned in guide rail slots on opposite sides of the proximal stationary driver, and extending through corresponding guide rail slots of the moveable driver and to corresponding guide rail slots of the distal stationary driver to constrain rotation of the moveable driver during rotation of the interior shell segment.

3. A catheter actuation handle assembly according to claim 2 wherein the handle assembly further comprises at least first and second stationary drivers of substantially the same size and shape as the moveable driver that are positioned inside the exterior shell cavity, one located proximal of and the other being distal of the interior shell segment containing the moveable driver, and the assembly also comprises circumferential rib projections along the inner surfaces of the exterior shell halves at their proximal and distal ends that define pockets for accommodating the stationary drivers.

4. A catheter actuation handle assembly according to claim 1 wherein the moveable driver comprises a threaded driver end having a first diameter with circumferential threading along the outer surface and axially-oriented guide rail slots intersecting the threading, and an unthreaded protrusion driver end having a second diameter, smaller than the first diameter, and with axially-oriented control wire slots along the outer surface.

5. A catheter actuation handle assembly according to claim 4 further wherein the threaded driver end includes an end face with a recess sized and shaped to receive sealing and locking elements.

6. A catheter actuation handle assembly according to claim 1 wherein the handle assembly includes a moveable driver-distal member control wire that connects at least one moveable driver to a distally-extending member.

7. A catheter actuation handle assembly according to claim 1 wherein the handle assembly includes at least one stationary driver located within the exterior shell cavity together with a stationary driver-distal member control wire that connects at least one of the stationary drivers to a distally-extending member.

8. A catheter actuation handle assembly according to claim 1 wherein the handle assembly includes at least one stationary driver located within the exterior shell cavity together with a stationary driver-distal member control wire that connects at least one of the stationary drivers to a distally-extending member, and also a moveable driver-distal member control wire that connects at least one moveable driver to a distally-extending member.

9. A catheter actuation handle assembly according to claim 1 wherein the handle assembly includes a moveable driver-distal member control wire that connects at least one moveable driver to a distally-extending member, and at least one stationary driver connected to a distally-extending member.

10. A catheter actuation handle assembly according to claim 1 wherein the handle assembly includes a moveable driver-distal member control wire that connects at least one moveable driver to a distally-extending member, and a guide sleeve that houses at least a portion of the moveable driver-distal member control wire that is in the exterior shell cavity.

11. A catheter actuation handle assembly according to claim 1 wherein the moveable driver comprises a threaded driver end having a first diameter with circumferential threading along the outer surface and axially-oriented guide rail slots intersecting the threading, and also an unthreaded protrusion driver end having a second diameter, smaller than the first diameter, and with axially-oriented control wire slots along the outer surface, and further wherein a moveable driver-distal member control wire passes through one of the driver'"'"'s control wire slots and connects the moveable driver to a distally-extending member.

12. A catheter actuation handle assembly according to claim 1 wherein the handle assembly is sized and shaped to be held in and controlled by a single human hand.

13. A catheter actuation handle assembly according to claim 1 wherein the exterior shell halves, or the interior shell halves or both are symmetrical relative to the corresponding mating shell half.

14. A catheter actuation system comprising a catheter handle assembly according to claim 1 in combination with a fluid/flush line and a fluid source that provides fluid communication between a fluid source that is external to the actuation handle housing and a location inside the exterior shell cavity.

15. A catheter actuation system according to claim 14 wherein the fluid/flush line provides a fluid communication to the proximal end of a catheter lumen of a distally-extending member.

16. A catheter actuation handle assembly according to claim 1 further comprising at least a distally-extending member connected to a moveable driver wherein movement of the moveable driver by means of the actuation component has resulted in translation, articulation or rotation of the distally-extending member into an actuated configuration different from a pre-actuation configuration.

17. A catheter actuation handle assembly adapted to manipulate one or more distally-extending members that connect to the catheter handle and extend from the handle to locations distal from the handle for realizing translation, articulation and/or rotation of these distally-extending members using a combination of components comprising at least a moveable component that is connected to a distally-extending member and is actuated by an associated actuation component that can be manually manipulated, said handle assembly comprising:

at least a pair of mating exterior shell halves, each exterior shell half having an exterior shell outer surface and an exterior shell inner surface, the pair of exterior shell halves being mateable with one another to form a generally cylindrically-shaped actuation handle housing having a cross-sectional shape selected from circular and ovular, and the housing defines an exterior shell cavity and a handle longitudinal axis;

at least a moveable component positioned inside the exterior shell cavity whereby the moveable component is enabled for linear movement along, and/or rotational movement about, the longitudinal axis, by engagement with one or more actuation components of the assembly;

at least a connection between the moveable component and a distally-extending member; and

,

one or more access ports through the actuation handle housing providing access into the exterior shell cavity for manipulating the moveable component and/or the actuation component from outside the actuation handle housing;

also wherein;

the actuation component comprises a pair of mating interior shell halves forming a cylindrically-shaped interior shell segment that is sized to fit inside and rotate within the exterior shell cavity;

the moveable component comprises at least a first moveable driver;

threading along an interior shell inner surface engages corresponding threading along an outer surface of the moveable driver whereby rotation of the interior shell segment via an associated access port causes linear movement of the moveable driver along the handle longitudinal axis;

at least a first stationary driver of substantially the same size and shape as the moveable driver is positioned inside the exterior shell cavity proximal or distal of the interior shell segment containing the moveable driver, with a connection between the stationary driver and a distally-extending member;

corresponding circumferential rib projections along the inner surfaces of the exterior shell halves and also along the outer surfaces of the interior shell halves facilitate positioning and rotation of the interior shell inside the exterior shell cavity; and

,

one or more knob features are located along the outer surface of the interior shell at locations where the knob features align with and project at least partly into or through an access port.

18. A catheter actuation handle assembly according to claim 17 wherein the handle assembly further comprises at least first and second stationary drivers of substantially the same size and shape as the moveable driver that are positioned inside the exterior shell cavity, one located proximal of and the other being distal of the interior shell segment containing the moveable driver.

19. A catheter actuation handle assembly according to claim 17 wherein the handle assembly further comprises at least first and second stationary drivers of substantially the same size and shape as the moveable driver that are positioned inside the exterior shell cavity, one located proximal of and the other being distal of the interior shell segment containing the moveable driver, and also includes at least a pair of guide rails positioned in guide rail slots on opposite sides of the proximal stationary driver, and extending through corresponding guide rail slots of the moveable driver and to corresponding guide rail slots of the distal stationary driver to constrain rotation of the moveable driver during rotation of the interior shell segment.

20. A catheter actuation handle assembly according to claim 19 wherein the handle assembly includes a moveable driver-distal member control wire that connects at least one moveable driver to a distally-extending member, and at least one stationary driver connected to a distally-extending member.

21. A catheter actuation handle assembly according to claim 17 wherein the handle assembly further comprises at least first and second stationary drivers of substantially the same size and shape as the moveable driver that are positioned inside the exterior shell cavity, one located proximal of and the other being distal of the interior shell segment containing the moveable driver, and the assembly also comprises circumferential rib projections along the inner surfaces of the exterior shell halves at their proximal and distal ends that define pockets for accommodating the stationary drivers.

22. A catheter actuation handle assembly according to claim 17 wherein the moveable driver comprises a threaded driver end having a first diameter with circumferential threading along the outer surface and axially-oriented guide rail slots intersecting the threading, and an unthreaded protrusion driver end having a second diameter, smaller than the first diameter, and with axially-oriented control wire slots along the outer surface.

23. A catheter actuation handle assembly according to claim 22 further wherein the threaded driver end includes an end face with a recess sized and shaped to receive sealing and locking elements.

24. A catheter actuation handle assembly according to claim 17 wherein the handle assembly includes a moveable driver-distal member control wire that connects at least one moveable driver to a distally-extending member.

25. A catheter actuation handle assembly according to claim 17 wherein the handle assembly includes a stationary driver-distal member control wire that connects at least one of the stationary drivers to a distally-extending member.

26. A catheter actuation handle assembly according to claim 17 wherein the handle assembly includes a stationary driver-distal member control wire that connects at least one of the stationary drivers to a distally-extending member, and also a moveable driver-distal member control wire that connects at least one moveable driver to a distally-extending member.

27. A catheter actuation handle assembly according to claim 17 wherein the handle assembly includes a moveable driver-distal member control wire that connects at least one moveable driver to a distally-extending member, and a guide sleeve that houses at least a portion of the moveable driver-distal member control wire that is in the exterior shell cavity.

28. A catheter actuation handle assembly according to claim 17 wherein the moveable driver comprises a threaded driver end having a first diameter with circumferential threading along the outer surface and axially-oriented guide rail slots intersecting the threading, and also an unthreaded protrusion driver end having a second diameter, smaller than the first diameter, and with axially-oriented control wire slots along the outer surface, and further wherein a moveable driver-distal member control wire passes through one of the driver'"'"'s control wire and connects the moveable driver to a distally-extending member.

29. A catheter actuation handle assembly according to claim 17 wherein the handle assembly is sized and shaped to be held in and controlled by a single human hand.

30. A catheter actuation handle assembly according to claim 17 wherein the exterior shell halves, or the interior shell halves or both are symmetrical relative to the corresponding mating shell half.

31. A catheter actuation system comprising a catheter handle assembly according to claim 17 in combination with a fluid/flush line and a fluid source that provides fluid communication between a fluid source that is external to the actuation handle housing and a location inside the exterior shell cavity.

32. A catheter actuation system according to claim 31 wherein the fluid/flush line provides a fluid communication to the proximal end of a catheter lumen of a distally-extending member.

33. A catheter actuation handle assembly according to claim 17 further comprising at least a distally-extending member connected to a moveable driver wherein movement of the moveable driver by means of the actuation component has resulted in translation, articulation or rotation of the distally-extending member into an actuated configuration different from a pre-actuation configuration.

34. A catheter actuation handle assembly adapted to manipulate one or more distally-extending members that connect to the catheter handle and extend from the handle to locations distal from the handle for realizing translation, articulation and/or rotation of these distally-extending members using a combination of components comprising at least a moveable component that is connected to a distally-extending member and is actuated by an associated actuation component that can be manually manipulated, said handle assembly comprising:

at least a pair of mating exterior shell halves, each exterior shell half having an exterior shell outer surface and an exterior shell inner surface, the pair of exterior shell halves being mateable with one another to form a generally cylindrically-shaped actuation handle housing having a cross-sectional shape selected from circular and ovular, and the housing defines an exterior shell cavity and a handle longitudinal axis;

at least a moveable component positioned inside the exterior shell cavity whereby the moveable component is enabled for linear movement along, and/or rotational movement about, the longitudinal axis, by engagement with one or more actuation components of the assembly;

at least a connection between the moveable component and a distally-extending member; and

,

one or more access ports through the actuation handle housing providing access into the exterior shell cavity for manipulating the moveable component and/or the actuation component from outside the actuation handle housing;

also wherein;

the actuation component comprises a pair of mating interior shell halves forming a cylindrically-shaped interior shell segment that is sized to fit inside and rotate within the exterior shell cavity;

the moveable component comprises at least first and second moveable drivers;

threading along an interior shell inner surface engages corresponding threading along outer surfaces of the moveable drivers whereby rotation of the interior shell segment via an associated access port causes linear movement of the moveable drivers along the handle longitudinal axis, and the first and second moveable drivers are of substantially the same size and shape, and each is associated with a driver-distal member control wire that connects the moveable driver to a distally-extending member; and

one or more knob features are located along the outer surface of the interior shell at locations where the knob features align with and project at least partly into or through an access port.

35. A catheter actuation handle assembly according to claim 34 further wherein each of the moveable drivers is located in a separate, independently rotatable interior shell segment such that it can be actuated independently of the other moveable drivers.

36. A catheter actuation handle assembly according to claim 35 wherein the handle assembly further includes an actuation component associated with each moveable driver, each actuation component comprising a pair of mating interior shell halves forming a cylindrically-shaped interior shell segment that is sized to fit inside and rotate within the exterior shell cavity such that threading along an interior shell inner surface engages corresponding threading along an outer surface of the associated moveable driver whereby rotation of the interior shell segment via an associated access port causes linear movement of the driver along the handle longitudinal axis.

37. A catheter actuation handle assembly according to claim 35 wherein the handle assembly further includes an actuation component that comprises a pair of mating interior shell halves forming a cylindrically-shaped interior shell segment that is sized to fit inside and rotate within the exterior shell cavity such that first threading along a first portion of the interior shell inner surface engages corresponding threading along an outer surface of the first moveable driver, and second threading of a different orientation direction and/or a different pitch than the first threading along a second portion of the interior shell inner surface engages corresponding threading along an outer surface of the second moveable driver, whereby rotation of the interior shell segment housing the first and second moveable drivers via an associated access port results in linear movement of both moveable drivers but in different directions or at different rates of movement.

38. A catheter actuation handle assembly according to claim 34 further wherein each of the moveable drivers is located in a separate, independently rotatable interior shell segment such that it can be actuated independently of the other moveable drivers, and the assembly also comprises a knob feature along the outer surface of each interior shell segment that houses a moveable driver at locations where the knob feature aligns with and projects at least partly into or through an access port.

39. A catheter actuation handle assembly according to claim 34 further wherein each of the moveable drivers is located in a separate, independently rotatable interior shell segment such that it can be actuated independently of the other moveable drivers, and also wherein a slotted support washer is positioned between at least two of the separate interior shell segments with slots sized and located to accommodate a pair of guide rails that extend between the most proximal and the most distal drivers.

40. A catheter actuation handle assembly according to claim 34 further wherein each of the moveable drivers is located in a separate, independently rotatable interior shell segment such that it can be actuated independently of the other moveable drivers, and also wherein a distal-end stationary driver is positioned distal of the most distal of the moveable drivers, a proximal-end stationary driver is positioned proximal of the most proximal of the moveable drivers, and a mid-body stationary driver is positioned between the most distal moveable driver and the most proximal moveable driver.

41. A catheter actuation handle assembly according to claim 34 further wherein each of the moveable drivers is located in a separate, independently rotatable interior shell segment such that it can be actuated independently of the other moveable drivers, and also wherein a distal-end stationary driver is positioned distal of the most distal of the moveable drivers, a proximal-end stationary driver is positioned proximal of the most proximal of the moveable drivers, and a mid-body stationary driver is positioned between the most distal moveable driver and the most proximal moveable driver, and also slotted support washers are positioned between the interior shell segment housing the mid-body stationary driver and the distal and proximal interior shell segments housing, respectively, the distal moveable driver and the proximal moveable driver, each slotted support washer having slots sized and located to accommodate a pair of guide rails that extend between the most proximal and the most distal drivers.

42. A catheter actuation handle assembly according to claim 34 wherein the handle assembly includes a moveable driver-distal member control wire that connects at least one moveable driver to a distally-extending member.

43. A catheter actuation handle assembly according to claim 34 wherein the handle assembly includes at least one stationary driver located within the exterior shell cavity together with a stationary driver-distal member control wire that connects at least one of the stationary drivers to a distally-extending member.

44. A catheter actuation handle assembly according to claim 34 wherein the handle assembly includes at least one stationary driver located within the exterior shell cavity together with a stationary driver-distal member control wire that connects at least one of the stationary drivers to a distally-extending member, and also a moveable driver-distal member control wire that connects at least one moveable driver to a distally-extending member.

45. A catheter actuation handle assembly according to claim 34 wherein the handle assembly includes a moveable driver-distal member control wire that connects at least one moveable driver to a distally-extending member, and at least one stationary driver connected to a distally-extending member.

46. A catheter actuation handle assembly according to claim 34 wherein the handle assembly includes a moveable driver-distal member control wire that connects at least one moveable driver to a distally-extending member, and a guide sleeve that houses at least a portion of the moveable driver-distal member control wire that is in the exterior shell cavity.

47. A catheter actuation handle assembly according to claim 34 wherein the moveable driver comprises a threaded driver end having a first diameter with circumferential threading along the outer surface and axially-oriented guide rail slots intersecting the threading, and also an unthreaded protrusion driver end having a second diameter, smaller than the first diameter, and with axially-oriented control wire slots along the outer surface, and further wherein a moveable driver-distal member control wire passes through one of the driver'"'"'s control wire slots and connects the moveable driver to a distally-extending member.

48. A catheter actuation handle assembly according to claim 34 wherein the handle assembly is sized and shaped to be held in and controlled by a single human hand.

49. A catheter actuation handle assembly according to claim 34 wherein the exterior shell halves, or the interior shell halves or both are symmetrical relative to the corresponding mating shell half.

50. A catheter actuation system comprising a catheter handle assembly according to claim 34 in combination with a fluid/flush line and a fluid source that provides fluid communication between a fluid source that is external to the actuation handle housing and a location inside the exterior shell cavity.

51. A catheter actuation system according to claim 50 wherein the fluid/flush line provides a fluid communication to the proximal end of a catheter lumen of a distally-extending member.

52. A catheter actuation handle assembly according to claim 34 further comprising at least a distally-extending member connected to a moveable driver wherein movement of the moveable driver by means of the actuation component has resulted in translation, articulation or rotation of the distally-extending member into an actuated configuration different from a pre-actuation configuration.