Medical device with three dimensional collapsible basket structure
First Claim
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1. A medical device, comprising:
- a sheath including a distal end and a lumen; and
an expandable-collapsible assembly, the sheath and the assembly moveable relative to each other to achieve a collapsed position in which the assembly is collapsed within the lumen of the sheath and another position in which the assembly extends from the distal end of the sheath and is expanded, the assembly including a distal hub including a circumferential periphery, and a plurality of spline elements radiating from the periphery of the hub, wherein the hub and spline elements are formed from a single sheet of material, and the hub and spline elements form a contoured surface that extends along an arc from one spline element across the hub to another spline element when the assembly extends from the distal end of the sheath and is expanded.
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Abstract
An electrode support structure has a slotted hub and an integral body with a mid-section and opposed pair of spline elements that extend from the mid-section. The mid-section is captured within the slot, securing the integral body to the hub with the opposed spline elements radiating free of the slot for carrying one or more electrodes.
309 Citations
9 Claims
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1. A medical device, comprising:
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a sheath including a distal end and a lumen; and
an expandable-collapsible assembly, the sheath and the assembly moveable relative to each other to achieve a collapsed position in which the assembly is collapsed within the lumen of the sheath and another position in which the assembly extends from the distal end of the sheath and is expanded, the assembly including a distal hub including a circumferential periphery, and a plurality of spline elements radiating from the periphery of the hub, wherein the hub and spline elements are formed from a single sheet of material, and the hub and spline elements form a contoured surface that extends along an arc from one spline element across the hub to another spline element when the assembly extends from the distal end of the sheath and is expanded. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification