Handle design for a medical catheter
First Claim
1. A catheter comprising:
- a handle comprising;
a housing having a proximal end, a distal end, and a longitudinal axis that extends from the proximal end of the housing to the distal end of the housing;
a cable, disposed in the housing, that extends through the proximal end of the housing, a portion of the cable that is disposed in the housing being movable, under compression, in a first direction that is substantially aligned with the longitudinal axis of the housing; and
a guide, disposed in the housing, adapted to prevent the portion of the cable from moving in a second direction that is transverse to the first direction when the portion of the cable is moved in the first direction; and
an elongated shaft, a proximal end of the elongated shaft being attached to the distal end of the housing, wherein the cable extends through the distal end of the housing and into the elongated shaft;
wherein a distal end of the elongated shaft is coupled to a conductive braided mesh; and
wherein a distal end of the cable is coupled to a distal end of the braided mesh, and wherein the distal end of the braided mesh is movable distally in response to movement of the portion of the cable in the first direction.
2 Assignments
0 Petitions
Accused Products
Abstract
A handle for use with a catheter, the handle including a housing, a cable, and a guide. The housing has a proximal end, a distal end, and a longitudinal axis that extends from the proximal end of the housing to the distal end of the housing. The cable is disposed in the housing and extends through the proximal end of the housing. A portion of the cable that is disposed in the housing is movable, under compression, in a first direction that is substantially aligned with the longitudinal axis of the housing. The guide is disposed in the housing and is adapted to prevent the portion of the cable from moving in a second direction that is transverse to the first direction when the portion of the cable is moved in the first direction. The handle is suitable for use with an electrophysiology catheter having an elongated shaft.
-
Citations
65 Claims
-
1. A catheter comprising:
-
a handle comprising; a housing having a proximal end, a distal end, and a longitudinal axis that extends from the proximal end of the housing to the distal end of the housing; a cable, disposed in the housing, that extends through the proximal end of the housing, a portion of the cable that is disposed in the housing being movable, under compression, in a first direction that is substantially aligned with the longitudinal axis of the housing; and a guide, disposed in the housing, adapted to prevent the portion of the cable from moving in a second direction that is transverse to the first direction when the portion of the cable is moved in the first direction; and an elongated shaft, a proximal end of the elongated shaft being attached to the distal end of the housing, wherein the cable extends through the distal end of the housing and into the elongated shaft; wherein a distal end of the elongated shaft is coupled to a conductive braided mesh; and wherein a distal end of the cable is coupled to a distal end of the braided mesh, and wherein the distal end of the braided mesh is movable distally in response to movement of the portion of the cable in the first direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
-
-
17. A catheter comprising:
-
a handle comprising; a housing having a proximal end, a distal end, and a longitudinal axis that extends from the proximal end of the housing to the distal end of the housing; a cable, disposed in the housing, that extends through the proximal end of the housing, a portion of the cable that is disposed in the housing being movable, under compression, in a first direction that is substantially aligned with the longitudinal axis of the housing; and a guide, disposed in the housing, adapted to prevent the portion of the cable from moving in a second direction that is transverse to the first direction when the portion of the cable is moved in the first direction; and an elongated shaft, a proximal end of the elongated shaft being attached to the distal end of the housing, wherein the cable extends through the distal end of the housing and into the elongated shaft; wherein a distal end of the elongated shaft includes at least one electrode; and wherein a distal end of the cable is attached to the at least one electrode, and wherein the at least one electrode is movable distally along the distal end of the elongated shaft in response to movement of the portion of the cable in the first direction. - View Dependent Claims (18)
-
-
19. A catheter comprising:
-
a handle comprising; a housing having a proximal end, a distal end, and a longitudinal axis that extends from the proximal end of the housing to the distal end of the housing; a cable, disposed in the housing, that extends through the proximal end of the housing, a portion of the cable that is disposed in the housing being movable, under compression, in a first direction that is substantially aligned with the longitudinal axis of the housing; and a guide, disposed in the housing, adapted to prevent the portion of the cable from moving in a second direction that is transverse to the first direction when the portion of the cable is moved in the first direction; and an elongated shaft, a proximal end of the elongated shaft being attached to the distal end of the housing, wherein the cable extends through the distal end of the housing and into the elongated shaft; wherein a distal end of the elongated shaft is coupled to a conductive braided mesh; and wherein a distal end of the cable is attached to a proximal end of the braided mesh, and wherein the proximal end of the braided mesh is movable distally along the distal end of the elongated shaft in response to movement of the portion of the cable in the first direction.
-
-
20. A catheter comprising:
-
a handle comprising; a housing having a proximal end, a distal end, and a longitudinal axis that extends from the proximal end of the housing to the distal end of the housing; a cable, disposed in the housing, that extends through the proximal end of the housing, a portion of the cable that is disposed in the housing being movable, under compression, in a first direction that is substantially aligned with the longitudinal axis of the housing; and means for preventing the portion of the cable from moving in a second direction that is transverse to the first direction when the portion of the cable is moved in the first direction; wherein the portion of the cable that is disposed in the housing is movable, under compression, distally relative to the housing in the first direction; and an elongated shaft, a proximal end of the elongated shaft being attached to the distal end of the housing, wherein the cable extends through the distal end of the housing and into the elongated shaft; wherein a distal end of the elongated shaft is coupled to a conductive braided mesh, wherein a distal end of the cable is attached to one of a distal end and a proximal end of the braided mesh, and wherein the one of the distal end and the proximal end of the braided mesh is movable distally in response to movement of the portion of the cable in the first direction. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
-
-
33. A catheter comprising:
-
a handle comprising; a housing having a proximal end, a distal end, and a longitudinal axis that extends from the proximal end of the housing to the distal end of the housing; a cable, disposed in the housing, that extends through the proximal end of the housing, a portion of the cable that is disposed in the housing being movable, under compression, in a first direction that is substantially aligned with the longitudinal axis of the housing; and means for preventing the portion of the cable from moving in a second direction that is transverse to the first direction when the portion of the cable is moved in the first direction; wherein the portion of the cable that is disposed in the housing is movable, under compression, distally relative to the housing in the first direction; and an elongated shaft, a proximal end of the elongated shaft being attached to the distal end of the housing, wherein the cable extends through the distal end of the housing and into the elongated shaft; wherein a distal end of the elongated shaft includes at least one electrode, wherein a distal end of the cable is attached to the at least one electrode, and wherein the at least one electrode is movable distally along the distal end of the elongated shaft in response to movement of the portion of the cable in the first direction. - View Dependent Claims (34)
-
-
35. A method of using a catheter having a handle, the handle having walls defining a cavity, a proximal end, a distal end, and a longitudinal axis that extends from the proximal end of the handle to the distal end of the handle, the method comprising acts of:
-
applying a compressive force to a portion of a cable that is disposed in the cavity to move the portion of the cable in a first direction that is substantially aligned with the longitudinal axis of the handle; and within the cavity, constraining the portion of the cable such that the portion of the cable is prevented from moving in a second direction that is transverse to the first direction in response to the act of applying; wherein the catheter includes an elongated shaft having a proximal end that is attached to the distal end of the handle, wherein the cable extends through the distal end of the handle and into the elongated shaft, wherein a distal end of the elongated shaft is coupled to a conductive braided mesh, and wherein a distal end of the cable is attached to one of a distal end and a proximal end of the braided mesh, the method further comprising an act of moving the one of the distal end and the proximal end of the braided mesh distally in response to movement of the portion of the cable in the first direction. - View Dependent Claims (36, 37, 38, 39, 40, 41)
-
-
42. A method of using a catheter having a handle, the handle having walls defining a cavity, a proximal end, a distal end, and a longitudinal axis that extends from the proximal end of the handle to the distal end of the handle, the method comprising acts of:
-
applying a compressive force to a portion of a cable that is disposed in the cavity to move the portion of the cable in a first direction that is substantially aligned with the longitudinal axis of the handle; and within the cavity, constraining the portion of the cable such that the portion of the cable is prevented from moving in a second direction that is transverse to the first direction in response to the act of applying; wherein the catheter includes an elongated shaft having a proximal end that is attached to the distal end of the handle, wherein the cable extends through the distal end of the handle and into the elongated shaft, and wherein a distal end of the elongated shaft includes at least one electrode that is movably attached to a distal end of the cable, the method further comprising an act of moving the at least one electrode distally along the distal end of the elongated shaft in response to movement of the portion of the cable in the first direction. - View Dependent Claims (43)
-
-
44. A catheter comprising:
-
an elongated shaft; and a handle comprising; a housing having a proximal end and a distal end, the distal end of the housing being attached to a proximal end of the elongated shaft; a cable, disposed in the housing, that extends through the distal end of the housing and into the elongated shaft; an actuator, attached to the housing and the cable, the actuator being movable between a first position in which the cable extends a first distance into the elongated shaft and a second position in which the cable extends a second distance into the elongated shaft, the second distance being less than the first distance; and a guide, disposed in the housing and separate from the elongated shaft, adapted to maintain a portion of the cable that is disposed between the distal end of the housing and the actuator when the actuator is in the second position in a substantially fixed lateral position when the actuator is moved toward the first position; wherein a distal end of the elongated shaft is coupled to a conductive braided mesh; and wherein a distal end of the cable is coupled to a distal end of the braided mesh, and wherein the distal end of the conductive braided mesh is movable proximally and distally in response to movement of the actuator. - View Dependent Claims (45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59)
-
-
60. A handle for use with a catheter having an elongated shaft, the handle comprising:
-
a housing having a proximal end and a distal end, the distal end of the housing being attached to a proximal end of the elongated shaft; a cable, disposed in the housing, that extends through the distal end of the housing and into the elongated shaft; an actuator, attached to the housing and the cable, the actuator being movable between a first position in which the cable extends a first distance into the elongated shaft and a second position in which the cable extends a second distance into the elongated shaft, the second distance being less than the first distance; and a guide, disposed in the housing and separate from the elongated shaft, adapted to maintain a portion of the cable that is disposed between the distal end of the housing and the actuator when the actuator is in the second position in a substantially fixed lateral position when the actuator is moved toward the first position; wherein the actuator is a thumb wheel actuator; and wherein the thumb wheel includes an arcuate wall, disposed on a proximal portion of the thumb wheel actuator, that prevents the cable from bowing in a lateral direction as the thumb wheel is rotated toward the first position. - View Dependent Claims (61)
-
-
62. A catheter comprising:
-
an elongated shaft; and a handle, the handle comprising; a housing having a proximal end and a distal end, the distal end of the housing being attached to a proximal end of the elongated shaft; a cable, disposed in the housing, that extends through the distal end of the housing and into the elongated shaft; an actuator, attached to the housing and the cable, the actuator being movable between a first position in which the cable extends a first distance into the elongated shaft and a second position in which the cable extends a second distance into the elongated shaft, the second distance being less than the first distance; and a guide, disposed in the housing and separate from the elongated shaft, adapted to maintain a portion of the cable that is disposed between the distal end of the housing and the actuator when the actuator is in the second position in a substantially fixed lateral position when the actuator is moved toward the first position; wherein a distal end of the elongated shaft includes at least one electrode; and wherein a distal end of the cable is attached to the at least one electrode, and wherein the at least one electrode is movable proximally and distally along the distal end of the elongated shaft in response to movement of the actuator. - View Dependent Claims (63)
-
-
64. A handle for use with a catheter having an elongated shaft, the handle comprising:
-
a housing having a proximal end and a distal end, the distal end of the housing being attached to a proximal end of the elongated shaft; a cable, disposed in the housing, that extends through the distal end of the housing and into the elongated shaft; an actuator, attached to the housing and the cable, the actuator being movable between a first position in which the cable extends a first distance into the elongated shaft and a second position in which the cable extends a second distance into the elongated shaft, the second distance being less than the first distance; and a guide, disposed in the housing and separate from the elongated shaft, adapted to maintain a portion of the cable that is disposed between the distal end of the housing and the actuator when the actuator is in the second position in a substantially fixed lateral position when the actuator is moved toward the first position; wherein the cable is a first cable, the actuator is a first actuator, the guide is a first guide, and wherein the substantially fixed lateral position is a first substantially fixed lateral position, the handle further comprising; a second cable, disposed in the housing, that extends through the distal end of the housing and into the elongated shaft; a second actuator, attached to the housing and the second cable, the second actuator being movable between a third position in which the second cable extends a third distance into the elongated shaft and a fourth position in which the second cable extends a fourth distance into the elongated shaft, the fourth distance being less than the second distance; and a second guide, disposed in the housing, adapted to maintain a portion of the second cable that is disposed between the distal end of the housing and the second actuator when the second actuator is in the fourth position in a second substantially fixed lateral position when the second actuator is moved toward the third position. - View Dependent Claims (65)
-
Specification