MEDICAL DEVICE WITH NOSECONE AND NOSECONE TUBE EXTENSION
First Claim
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1. A medical device delivery system, comprising:
- an outer sheath;
an inner catheter disposed within the outer sheath, the inner catheter having a distal end;
a tube extension coupled to the distal end of the inner catheter and extending distally therefrom; and
wherein the tube extension includes a crush resistance support member.
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Abstract
Medical device delivery systems and methods for making and using medical device delivery systems are disclosed. An example medical device delivery system may include an outer sheath. An inner catheter may be disposed within the outer sheath. The inner catheter may have a distal end. A tube extension may be coupled to the distal end of the inner catheter and may extend distally therefrom. The tube extension may include a crush resistance support member.
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Citations
20 Claims
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1. A medical device delivery system, comprising:
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an outer sheath; an inner catheter disposed within the outer sheath, the inner catheter having a distal end; a tube extension coupled to the distal end of the inner catheter and extending distally therefrom; and wherein the tube extension includes a crush resistance support member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A percutaneous valve delivery system, comprising:
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an outer sheath; an inner catheter disposed within the outer sheath; wherein the inner catheter includes a reduced outer diameter distal portion; wherein a guidewire tube extension extends distally from the reduced outer diameter distal portion; a support member coupled to the guidewire tube extension; a nose cone attached to the guidewire tube extension; a handle attached to the outer sheath, wherein the handle is configured to shift the outer sheath between a first position and a second position relative to the inner catheter; and a valve implant releasably coupled to the inner catheter. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. A percutaneous valve delivery system, comprising:
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an outer sheath; an inner catheter disposed within the outer sheath, the inner catheter having a distal end; a replacement valve implant releasably coupled to the inner catheter; a guidewire tube extension coupled to the inner catheter and extending distally from the distal end of the inner catheter; a support element coupled to the guidewire tube extension; wherein the support member includes a crush resistance member and a tensile strength member; wherein the crush resistance member includes a metallic braid; wherein the tensile strength member includes one or more longitudinally-extending aramid strands; a nose cone attached to the guidewire tube extension; and a handle attached to the outer sheath, wherein the handle is configured to shift the outer sheath between a first position and a second position relative to the inner catheter.
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Specification