×

Trackable biopsy needle

  • US 9,750,486 B2
  • Filed: 10/25/2011
  • Issued: 09/05/2017
  • Est. Priority Date: 10/25/2011
  • Status: Active Grant
First Claim
Patent Images

1. A trackable biopsy needle assembly comprising:

  • an inner tube of an outer cannula defining a bore and a first inner diameter configured to slidably receive an inner cannula therein, the inner tube including a first inner surface that is smooth along its length to slidably mate with a first outer surface of the inner cannula that is smooth along its length;

    an inner dielectric layer secured onto an outer surface of the inner tube;

    a first coil, a second coil, and a third coil wound over the inner dielectric layer;

    an outer dielectric layer secured onto the first coil, the second coil, and the third coil; and

    an outer tube of the outer cannula fastened to the outer dielectric, the outer tube defining a first outer diameter at a second outer surface thereof that is smooth along its length, the first coil, the second coil, and the third coil are between the inner tube of the outer cannula and the outer tube of the outer cannula;

    wherein the inner tube and the outer tube are fixed to one another and each one of the first coil, the second coil, and the third coil are adhesively embedded between the inner tube and the outer tube.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×