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Biopsy device and insertable biopsy needle module

  • US 10,335,128 B2
  • Filed: 08/26/2016
  • Issued: 07/02/2019
  • Est. Priority Date: 03/19/2002
  • Status: Expired due to Fees
First Claim
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1. A biopsy device, comprising:

  • a disposable unit including;

    a needle carrier configured to move in a first direction and a second direction opposite to the first direction; and

    a biopsy needle and a cutting element disposed therein, wherein both the biopsy needle and the cutting element are coupled to the needle carrier, and a sample chamber in the biopsy needle, the cutting element having a cutting blade, the cutting element being configured to move the cutting blade relative to the sample chamber; and

    a drive unit configured to receive the disposable unit, the drive unit having a needle-shooting mechanism with a cocked configuration and a released configuration, the needle-shooting mechanism having a spring and a clamping carriage, the clamping carriage being configured to drivably engage the needle carrier;

    the drive unit configured to move the cutting element to drive the needle carrier in the second direction by a predetermined distance to move the needle-shooting mechanism to the cocked configuration; and

    the drive unit having a user-actuatable control unit configured to release the needle-shooting mechanism to cause the needle-shooting mechanism to shoot the needle carrier including the biopsy needle simultaneously with the cutting element in the first direction by an amount of the predetermined distance.

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