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Methods and devices for automated biopsy and collection of soft tissue

  • US 7,981,050 B2
  • Filed: 02/06/2007
  • Issued: 07/19/2011
  • Est. Priority Date: 03/24/1994
  • Status: Expired due to Fees
First Claim
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1. A biopsy device comprising:

  • an outer hollow cannula having a closed tissue piercing distal tip and a lateral tissue receiving port disposed proximally of the distal tip;

    a hollow inner cutting member having a sharpened distal end for severing tissue received in the lateral tissue receiving port of the outer hollow cannula; and

    a rotatably driven tissue sample holder disposed proximally of the lateral tissue receiving port, wherein the rotatably driven tissue sample holder comprises a plurality of tissue sample chambers, wherein each tissue sample chamber of the plurality of tissue sample chambers is adapted to receive at least one tissue sample severed by the hollow inner cutting member;

    wherein the rotatably driven tissue sample holder is rotatable about an axis offset from a longitudinal axis of the hollow inner cutting member;

    wherein the rotatably driven tissue sample holder is positioned and configured to rotate relative to the hollow inner cutting member to successively align the tissue sample chambers with the longitudinal axis of the hollow inner cutting member.

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