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Biopsy device with selectable tissue receiving aperature orientation and site illumination

  • US 10,335,127 B2
  • Filed: 04/30/2015
  • Issued: 07/02/2019
  • Est. Priority Date: 02/24/2003
  • Status: Active Grant
First Claim
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1. A method for collecting one or more tissue specimens from a target site within a patient, comprising:

  • a. providing a biopsy device having;

    i. a disposable elongated probe component comprising;

    an elongated tubular section which has a longitudinal axis, which has an inner lumen extending therein, which has a penetrating distal tip and which has a tissue receiving aperture proximal to the penetrating distal tip configured to receive tissue from the target site,a first driven gear coupled to the elongated tubular section and configured to rotate, to in turn rotate the elongated tubular section around the longitudinal axis,an elongated tissue cutting member which is disposed within the elongated tubular section, which has a distal end having at least one tissue cutting edge and which has an inner lumen extending therein, the elongated tissue cutting member having a proximal end opposite the distal end, anda second driven gear coupled to the elongated tissue cutting member and configured to rotate to longitudinally move the elongated tissue cutting member relative to the elongated tubular section along the longitudinal axis,the first driven gear and the second driven gear being arranged coaxially and adjacent each other on the longitudinal axis;

    ii. a driver component configured to receive a proximal portion of the disposable elongated probe component in an operational relationship, the driver component having;

    a first driver unit configured to rotate the elongated tubular section of the disposable elongated probe component to orient the tissue receiving aperture of the elongated tubular section, the first driver unit having a first drive gear, anda second driver unit configured to drive the elongated tissue cutting member longitudinally within the elongated tubular section to cut a tissue specimen from the tissue received in the tissue receiving aperture of the elongated tubular section, the second driver unit having a second drive gear positioned adjacent the first drive gear,the first drive gear and the second drive gear of the driver component configured to respectively drivably engage the first driven gear and the second driven gear that are arranged coaxially and adjacent to each other on the longitudinal axis; and

    iii. a tissue collection device located at the proximal end of the elongated tissue cutting member, a portion of the elongated tissue cutting member being positioned inside the tissue collection device;

    b. advancing the disposable elongated probe component at least partially into or adjacent to tissue at the target site;

    c. rotating the elongated tubular section about the longitudinal axis by the first driver unit to a predetermined aperture orientation of the tissue receiving aperture;

    d. applying a vacuum within the elongated tubular section to draw the tissue at the tissue site through the tissue receiving aperture of the elongated tubular section into an interior thereof;

    e. advancing the elongated tissue cutting member longitudinally within the elongated tubular section by the second driver unit to cut the tissue specimen from the tissue extending into the elongated tubular section; and

    f. applying a vacuum to the proximal end of the elongated tissue cutting member for transporting the cut tissue specimen through the inner lumen of the elongated tissue cutting member to discharge the cut tissue specimen directly from the proximal end of the elongated tissue cutting member into the tissue collection device.

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