Medical apparatus and method of making the same
First Claim
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1. A catheter assembly comprising:
- a catheter having a proximal end and a distal end;
an expandable device releasably attached to the catheter near the distal end, wherein the expandable device is maintained in a compressed state for endoluminal delivery;
a tip fixedly secured to the distal end of and generally coaxial with the catheter; and
a bridge member generally coaxial with the catheter and disposed in a gap between the expandable device and the tip, the bridge member being positioned distally to the expandable device and axially compressed between the tip and the expandable device such that the bridge member fills the gap between the expandable device and the tip with the expandable device maintained in the compressed state, such that the bridge member is configured to fill the gap between the expandable device and the tip during endolum inal delivery of the catheter assembly.
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Abstract
A catheter assembly includes a catheter having a proximal end and a distal end; an expandable device releasably attached to the catheter near the distal end; a generally tubular constraining sleeve extending around and compressing the device to an outer peripheral dimension suitable for endoluminal delivery; a tip fixedly secured to the distal end of the catheter; and a bridge member disposed between the tip and the expandable device so as to fill a gap therebetween as the catheter assembly is bent during endoluminal delivery of the expandable device to a treatment site.
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Citations
21 Claims
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1. A catheter assembly comprising:
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a catheter having a proximal end and a distal end; an expandable device releasably attached to the catheter near the distal end, wherein the expandable device is maintained in a compressed state for endoluminal delivery; a tip fixedly secured to the distal end of and generally coaxial with the catheter; and a bridge member generally coaxial with the catheter and disposed in a gap between the expandable device and the tip, the bridge member being positioned distally to the expandable device and axially compressed between the tip and the expandable device such that the bridge member fills the gap between the expandable device and the tip with the expandable device maintained in the compressed state, such that the bridge member is configured to fill the gap between the expandable device and the tip during endolum inal delivery of the catheter assembly. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A catheter assembly comprising:
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a catheter having a proximal end and a distal end; an expandable device releasably attached to the catheter near the distal end; a constraining sleeve that maintains the expandable device in a compressed state for endoluminal delivery; a tip fixedly secured to the distal end of the catheter; and a bridge member including a bore with the catheter within the bore, the bridge member being disposed in a gap distal to the expandable device and proximal to the tip, the bridge member being axially compressed between the tip and the expandable device such that a distal end of the expandable device is positioned proximal to a proximal end of the bridge member and the bridge member fills the gap at an outer diameter of the catheter assembly, such that the bridge member is configured to fill the gap at the outer diameter of the catheter assembly during endoluminal delivery of the catheter assembly. - View Dependent Claims (21)
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Specification