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Surgical biopsy device

  • US 6,960,172 B2
  • Filed: 08/15/2003
  • Issued: 11/01/2005
  • Est. Priority Date: 07/24/1997
  • Status: Expired due to Fees
First Claim
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1. A surgical biopsy apparatus comprising:

  • an elongated housing having a distal end portion and a proximal end portion;

    at least three members each having a free end, the at least three members advanceable in a distal direction with the free end extending distally beyond the distal end portion of the housing to provide a three-dimensional boundary for an area of tissue to be removed, at least a portion of the at least three members extending in different directions;

    a cutting wire loop advanceable distally with respect to the elongated housing from a proximal position to a more distal position to cut the area of tissue, wherein the cutting wire loop is moved to a larger diameter as it is advanced with respect to the elongated housing, and the cutting wire loop is supported by at least one carrier, the at least one carrier advanceable over one of at least three members.

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