Integrated steering device
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United States of America Patent
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Nov 21, 2017
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N/A
app pub date -
Jan 21, 2014
filing date -
Jan 21, 2013
priority date (Note) -
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Abstract
The present invention discloses a steering device for use in a body lumen of a patient. The steering device comprises a flexible tube; a plurality of spaced-apart elements positioned along at least a portion of the tube; wherein the plurality of spaced-apart elements and the tube form a single integrated unit; and at least two steering wires having at least a portion passing through the spaced-apart elements and at least a portion passing within the tube. According to another broad aspect of the present invention, there is provided a steering device for use in a body lumen of a patient, comprising: a flexible tube; at least two steering wires having at least a portion passing within the flexible tube; at least two spring-like sleeves; each spring-like sleeve at least partially enclosing a steering wire respectively; wherein the spring-like sleeve has a variable pitch along its length; such that the flexible tube comprises at least two portions having different bending properties.
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