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Hypotube shaft with articulation mechanism

  • US 10,213,300 B2
  • Filed: 01/22/2016
  • Issued: 02/26/2019
  • Est. Priority Date: 05/04/2012
  • Status: Active Grant
First Claim
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1. A device for delivering a medical aid into a patient, the device comprising:

  • a hollow shaft having proximal and distal ends, a longitudinal axis, and flexible and rigid portions between the proximal and distal ends, the flexible portion being configured to bend away from the longitudinal axis and the hollow shaft distal end having an end face;

    a guide bushing having a first lumen, an exterior surface, and a body defined between the first lumen and the exterior surface, a portion of the exterior surface of the guide bushing abutting the end face of the hollow shaft distal end;

    a pull wire directly attached to and extending within the body of the guide bushing;

    a flexible tube extending through the first lumen of the guide bushing; and

    a sheath mechanically coupled to the flexible tube, the sheath surrounding a distal end of the flexible tube in a first position and being slidable to a second position to expose the distal end of the flexible tube,wherein the guide bushing is in a first position when the pull wire is in a first position and the guide bushing is in a second position when the pull wire is in a second position.

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