Remote thumbwheel for a surgical biopsy device

  • US 7,442,171 B2
  • Filed: 12/01/2006
  • Issued: 10/28/2008
  • Est. Priority Date: 10/13/2000
  • Status: Expired due to Fees
First Claim
Patent Images

1. A biopsy instrument comprising:

  • a piercer comprising a proximal end, a tissue piercing distal end, a distal tissue receiving port spaced proximally of the tissue piercing distal end, and a cutter lumen;

    a cutter adapted to rotate and translate within the cutter lumen of the piercer;

    a firing mechanism for firing the piercer into tissue; and

    an adjustment mechanism for adjusting the angular position of the distal tissue receiving port when the piercer is disposed in tissue, wherein the mechanism comprises an adjustment member that is manually operable at a position spaced proximally from the proximal end of the piercer, wherein the adjustment member is in mechanical communication with the piercer.

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