Profile altering tip for a delivery system
First Claim
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1. A device component for a prosthetic heart valve delivery system, the component comprising:
- a tip;
a plurality of arms moveable relative to the tip; and
an assembly for each of the plurality of arms;
wherein each assembly comprises an elongate member extending from a proximal end to a distal end,a fixed member coupled with a base end of the tip, and an adjustment member coupled with the distal end of the elongate member, wherein the respective arm is further movably connected to the fixed member, wherein the device component is configured such that in response to an axially applied force applied to the elongate members, the tip transitions from a first, conical profile to a second, expanded profile, wherein a radial spacing between a proximal end of the respective arm and the respective elongate member in the second, expanded profile is greater than the radial spacing in the first, conical profile;
wherein for each of the assemblies a distance between the fixed member and a distal end of the respective arm varies in the expanded profile as compared to the conical profile.
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Abstract
A profile altering tip is provided for a delivery system. The tip defines a first profile with a generally conical shape and a second profile with an expanded profile. During use of the delivery system, a tip profile control assembly can alter the tip from the first profile to the second profile.
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Citations
14 Claims
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1. A device component for a prosthetic heart valve delivery system, the component comprising:
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a tip; a plurality of arms moveable relative to the tip; and an assembly for each of the plurality of arms; wherein each assembly comprises an elongate member extending from a proximal end to a distal end, a fixed member coupled with a base end of the tip, and an adjustment member coupled with the distal end of the elongate member, wherein the respective arm is further movably connected to the fixed member, wherein the device component is configured such that in response to an axially applied force applied to the elongate members, the tip transitions from a first, conical profile to a second, expanded profile, wherein a radial spacing between a proximal end of the respective arm and the respective elongate member in the second, expanded profile is greater than the radial spacing in the first, conical profile; wherein for each of the assemblies a distance between the fixed member and a distal end of the respective arm varies in the expanded profile as compared to the conical profile. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A device component for a prosthetic heart valve delivery system, the component comprising:
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a tip; a plurality of arms moveable relative to the tip; and an assembly for each of the plurality of arms; wherein each assembly comprises an elongate member extending from a proximal end to a distal end, a fixed member coupled with a base end of the tip, and an adjustment member coupled with the distal end of the elongate member, wherein the respective arm is further movably connected to the fixed member, wherein the device component is configured such that in response to an axially applied force applied to the elongate members, the tip transitions from a first, conical profile to a second, expanded profile, wherein a radial spacing between a proximal end of the respective arm and the respective elongate member in the second, expanded profile is greater than the radial spacing in the first, conical profile;
wherein for each of the assemblies, a longitudinal position of the fixed member with respect to the respective arm is variable as the tip transitions from the first, conical profile to the second, expanded profile;wherein the device component is configured such that, for each of the assemblies, the axially applied force causes movement of the respective arm relative to the respective fixed member; wherein, for each of the assemblies, the fixed member forms a pin that communicates with a slot of the respective arm; and
wherein the fixed member can translate along a length of the slot.
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Specification