Method of assembling a positioning sensor and associated wiring on a medical tool
First Claim
Patent Images
1. An elongate medical device having a longitudinal axis, said medical device comprising:
- a body portion having a distal end portion and a proximal end portion;
a first sensor;
a second sensor located axially-proximally of said first sensor;
a first set of one or more wires configured to carry an electrical signal from said proximal end portion to a first point axially-proximal of said second sensor;
a second set of one or more wires configured to carry said electrical signal from a second point axially-distal of said second sensor to said first sensor; and
a flex circuit disposed radially-inwardly from said second sensor, said flex circuit comprising a flexible electrically-insulative substrate and an electrically-conductive trace disposed on said substrate, wherein said trace is configured to provide an electrical connection between said first set and said second set.
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Abstract
An elongate medical device having an axis comprises an inner liner, a jacket radially outward of the liner, a braid comprising metal embedded in the jacket, a sensor, and at least one wire electrically connected to said sensor. The at least one wire is one of: embedded in the jacket and optionally disposed helically around the braid; extending longitudinally within a tube which extends generally parallel to the device axis and wherein the tube is embedded in the jacket; and disposed within a lumen, wherein the lumen extends longitudinally within the jacket.
31 Citations
5 Claims
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1. An elongate medical device having a longitudinal axis, said medical device comprising:
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a body portion having a distal end portion and a proximal end portion; a first sensor; a second sensor located axially-proximally of said first sensor; a first set of one or more wires configured to carry an electrical signal from said proximal end portion to a first point axially-proximal of said second sensor; a second set of one or more wires configured to carry said electrical signal from a second point axially-distal of said second sensor to said first sensor; and a flex circuit disposed radially-inwardly from said second sensor, said flex circuit comprising a flexible electrically-insulative substrate and an electrically-conductive trace disposed on said substrate, wherein said trace is configured to provide an electrical connection between said first set and said second set. - View Dependent Claims (2, 3, 4, 5)
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Specification