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Biopsy needle with large fiber distance at the tip

  • US 10,390,805 B2
  • Filed: 06/17/2013
  • Issued: 08/27/2019
  • Est. Priority Date: 06/26/2012
  • Status: Active Grant
First Claim
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1. A biopsy device comprising:

  • a shaft; and

    a tubular member, the shaft being movably accommodated within the tubular member, and the shaft having a centered longitudinal axis and a distal end,wherein a bevel is formed at the distal end of the shaft, the bevel facing upwardly,wherein at least two channels are formed within the shaft in a longitudinal direction of the shaft, each channel forming an opening in a surface of the bevel, wherein an optical fiber is accommodated within each of the channels,wherein a recess is formed in the shaft adjacent the distal end of the shaft, the recess facing sidewardly;

    wherein upwardly and sidewardly are directions that are mutually offset in a circumferential direction about the longitudinal axis of the shaft, andwherein the at least two channels are included in a plane that is laterally offset from the centered longitudinal axis in a direction away from a side of the shaft in which the recess is formed.

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