System and Method For Integrating Electromagnetic Microsensors in Guidewires
First Claim
Patent Images
1. A guidewire assembly comprising:
- a substantially flexible flat member having a plurality of projections extending thereform; and
at least one electromagnetic microsensor attached to each of the plurality of projections;
wherein the substantially flexible flat member with the at least one electromagnetic microsensor attached to each of the plurality of projections is wound around a mandrel to form a spring-like flexible tip member.
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Abstract
A system and method of integrating electromagnetic microsensors into interventional endovascular devices such as guidewires for tracking guidewires within vessels of a body with the use of a surgical navigation system.
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Citations
20 Claims
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1. A guidewire assembly comprising:
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a substantially flexible flat member having a plurality of projections extending thereform; and at least one electromagnetic microsensor attached to each of the plurality of projections; wherein the substantially flexible flat member with the at least one electromagnetic microsensor attached to each of the plurality of projections is wound around a mandrel to form a spring-like flexible tip member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A guidewire assembly comprising:
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a substantially tubular member having a plurality of projections extending outwardly therefrom and a plurality of openings extending therethrough; and at least one electromagnetic microsensor attached to each of the plurality of projections; wherein the at least one electromagnetic microsensor attached to each of the plurality of projections are positioned within the tubular member to form a flexible tip member. - View Dependent Claims (12, 13, 14)
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15. A method for making a trackable guidewire assembly comprising:
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providing a substantially flexible flat member having a plurality of projections extending therefrom; attaching at least one electromagnetic microsensor to each of the plurality of projections; winding the substantially flexible flat member with the electromagnetic microsensors attached thereto around a mandrel to create a flexible tip member; and attaching a strengthening member to a proximal end of the flexible tip member to create a guidewire assembly. - View Dependent Claims (16, 17)
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18. A method for making a trackable guidewire assembly comprising:
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providing a substantially tubular member having a plurality of projections extending outwardly therefrom and a plurality of openings extending therefrom; attaching at least one electromagnetic microsensor to each of the plurality of projections; positioning the plurality of projections with the electromagnetic microsensors attached thereto within the substantially tubular member to create a flexible tip member; and attaching a strengthening member to a proximal end of the flexible tip member to create a guidewire assembly. - View Dependent Claims (19, 20)
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Specification