Apparatus for automated biopsy and collection of soft tissue

  • US 5,928,164 A
  • Filed: 01/09/1998
  • Issued: 07/27/1999
  • Est. Priority Date: 03/24/1994
  • Status: Expired due to Term
First Claim
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1. A biopsy instrument for obtaining multiple samples of tissue at a biopsy site of a patient, said instrument comprising:

  • a) a housing;

    b) a needle having a longitudinal axis, said needle being rotatably attached to said housing near a proximal portion of said needle, said needle further having;

    i) a distal end; and

    ii) a tissue receiving port in said needle adjacent to the distal end of said needle for receiving a discrete sample of the tissue, said tissue receiving port being positionable to multiple angular positions about the longitudinal axis of said needle for sequentially obtaining the multiple samples of the tissue upon rotation of said needle relative to said housing; and

    c) a cutter disposed coaxially on the longitudinal axis of said needle, said cutter being movable relative to said needle for severing the multiple samples of the tissue sequentially received in said tissue receiving port of said needle at the multiple angular positions about the longitudinal axis of said needle.

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