Bond between components of a medical device
First Claim
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1. An elongated member having a central longitudinal axis, comprising:
- a first elongated rod mandrel including a first flattened distal portion;
a second elongated rod mandrel including a second flattened distal portion;
a third elongated rod mandrel including a third flattened distal portion;
wherein the first, second, and third elongated rod mandrels are fixed together such that the first, second, and third flattened distal portions are arranged perpendicular to radii extending out from the central longitudinal axis at 120-degree radial intervals;
a coupling element having a lumen therethrough; and
an elongate shaft;
wherein the first, second, and third elongated rod mandrels are disposed within the lumen;
wherein the coupling element fixes the first, second, and third elongated rod mandrels to the elongate shaft;
wherein the coupling element includes a proximal portion having a first outer diameter and distal portion having a second outer diameter greater than the first outer diameter;
wherein the proximal portion of the coupling element is inserted into a distal end of the elongate shaft such that the distal portion of the coupling element abuts the distal end of the elongate shaft to form a joint.
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Abstract
An elongated member and a method of manufacturing an elongated member may include first, second, and third elongated rod mandrels. The first, second, and third elongated rod mandrels may be fixed together at predetermined proximal and distal locations and at a ball tip. The first, second, and third rod mandrels may be disposed within a tubular coupling element and fixed to the tubular coupling element at the ball tip. The tubular coupling element may be placed into abutment with and fixed to the distal end of an elongated shaft.
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Citations
6 Claims
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1. An elongated member having a central longitudinal axis, comprising:
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a first elongated rod mandrel including a first flattened distal portion; a second elongated rod mandrel including a second flattened distal portion; a third elongated rod mandrel including a third flattened distal portion; wherein the first, second, and third elongated rod mandrels are fixed together such that the first, second, and third flattened distal portions are arranged perpendicular to radii extending out from the central longitudinal axis at 120-degree radial intervals; a coupling element having a lumen therethrough; and an elongate shaft; wherein the first, second, and third elongated rod mandrels are disposed within the lumen; wherein the coupling element fixes the first, second, and third elongated rod mandrels to the elongate shaft; wherein the coupling element includes a proximal portion having a first outer diameter and distal portion having a second outer diameter greater than the first outer diameter; wherein the proximal portion of the coupling element is inserted into a distal end of the elongate shaft such that the distal portion of the coupling element abuts the distal end of the elongate shaft to form a joint. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification