Patents Assigned to Radiplast AB
  • Patent number: 4699154
    Abstract: A device for tissue sampling by thick needle punctuation including a needle assembly including a hollow first needle and second needle extending through the hollow first needle. The needle assembly is contained in a housing having an opening through which the needles extend. Compressed springs in the housing are caused to expand to urge the needles away from the housing during the sampling of tissue. A rod is provided extending from the housing to simultaneously place the springs in a compressed condition.
    Type: Grant
    Filed: July 30, 1986
    Date of Patent: October 13, 1987
    Assignee: Radiplast AB
    Inventor: Per G. Lindgren