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Self-contained handheld biopsy needle

  • US 9,439,632 B2
  • Filed: 01/21/2015
  • Issued: 09/13/2016
  • Est. Priority Date: 08/21/2006
  • Status: Active Grant
First Claim
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1. A method of operating a biopsy device in obtaining at least one tissue sample, comprising:

  • inserting a sampling probe having a first component and a second component into a biological tissue mass, the first component and the second component being rotatable relative to each other, the first component having a sample chamber and a side port that opens to the sample chamber, and the second component having a side opening;

    generating a vacuum in the sample chamber during a first drive interval;

    rotating at least one of the first component and the second component of the sampling probe during a second drive interval until the side port of the first component and the side opening of the second component are in radial alignment; and

    rotating at least one of the first component and the second component of the sampling probe during a third drive interval to sever tissue drawn by vacuum into the sample chamber to deposit a tissue sample in the sample chamber.

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