LOW PROFILE DELIVERY SYSTEM FOR TRANSCATHETER HEART VALVE
First Claim
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1. An apparatus for delivering a prosthetic valve through the vasculature of a patient comprising:
- a steerable guide catheter having a handle portion and an elongated guide tube extending from the handle portion, the elongated guide tube having a distal end portion comprising a steerable section, the guide catheter further comprising a first adjustment mechanism on the handle portion and a pull wire operatively connecting the first adjustment mechanism to the steerable section for changing the curvature of the steerable section via manual adjustment of the first adjustment mechanism, the guide catheter further comprising a second adjustment mechanism coupled to the handle portion, the second adjustment mechanism comprising a securement mechanism; and
a balloon catheter sized to slidably extend through the guide catheter, the balloon catheter comprising an elongated shaft extending coaxially through the guide tube and the handle portion, the shaft comprising a proximal end portion and a distal end portion, the balloon catheter further comprising an inflatable balloon mounted on the distal end portion of the shaft;
wherein the securement mechanism is configured to selectively retain the shaft of the balloon catheter to prevent longitudinal sliding movement of the shaft relative to the second adjustment mechanism and release the shaft to permit longitudinal sliding movement of the shaft relative to the second adjustment mechanism;
wherein the second adjustment mechanism is configured to produce longitudinal movement of the shaft of the balloon catheter relative to the guide tube via manual adjustment of the second adjustment mechanism relative to the handle portion when the securement mechanism is activated to retain the shaft relative to the second adjustment mechanism.
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Accused Products
Abstract
A heart valve delivery apparatus includes a valve carrying member. A prosthetic valve is crimped onto the valve carrying member at a location that is distal or proximal to the balloon member, thereby providing a smaller profile delivery apparatus.
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Citations
20 Claims
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1. An apparatus for delivering a prosthetic valve through the vasculature of a patient comprising:
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a steerable guide catheter having a handle portion and an elongated guide tube extending from the handle portion, the elongated guide tube having a distal end portion comprising a steerable section, the guide catheter further comprising a first adjustment mechanism on the handle portion and a pull wire operatively connecting the first adjustment mechanism to the steerable section for changing the curvature of the steerable section via manual adjustment of the first adjustment mechanism, the guide catheter further comprising a second adjustment mechanism coupled to the handle portion, the second adjustment mechanism comprising a securement mechanism; and a balloon catheter sized to slidably extend through the guide catheter, the balloon catheter comprising an elongated shaft extending coaxially through the guide tube and the handle portion, the shaft comprising a proximal end portion and a distal end portion, the balloon catheter further comprising an inflatable balloon mounted on the distal end portion of the shaft; wherein the securement mechanism is configured to selectively retain the shaft of the balloon catheter to prevent longitudinal sliding movement of the shaft relative to the second adjustment mechanism and release the shaft to permit longitudinal sliding movement of the shaft relative to the second adjustment mechanism; wherein the second adjustment mechanism is configured to produce longitudinal movement of the shaft of the balloon catheter relative to the guide tube via manual adjustment of the second adjustment mechanism relative to the handle portion when the securement mechanism is activated to retain the shaft relative to the second adjustment mechanism. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An apparatus for delivering a prosthetic valve through the vasculature of a patient comprising:
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a steerable guide catheter having a handle portion and an elongated guide tube extending from the handle portion, the elongated guide tube having a distal end portion comprising a steerable section, the guide catheter further comprising a first adjustment mechanism on the handle portion and a pull wire operatively connecting the first adjustment mechanism to the steerable section for changing the curvature of the steerable section via manual adjustment of the first adjustment mechanism, the guide catheter further comprising a second adjustment mechanism coupled to the handle portion; and a balloon catheter sized to slidably extend through the guide catheter, the balloon catheter comprising an elongated shaft extending coaxially through the guide tube and the handle portion, the shaft comprising a proximal end portion and a distal end portion, the balloon catheter further comprising an inflatable balloon mounted on the distal end portion of the shaft; wherein the second adjustment mechanism comprises a rotatable component that is configured to produce longitudinal movement of the shaft of the balloon catheter relative to the guide tube and the handle portion upon rotation of the rotatable component. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification