Patents Assigned to Daniel B. Rubinstein
  • Patent number: 5595186
    Abstract: A bone marrow biopsy needle includes an outer tube having a lumen extending therethrough which narrows at the distal end of the outer tube. An inner tube is slidable through the lumen of the outer tube and includes a pair of pincers at its distal end. As the inner tube is slid through the lumen of the outer tube, the pincers will encounter the narrowed portion of the lumen and as the pincers extend beyond an opening at the distal end of the outer tube, the pincers close upon themselves, and in this manner the pincers can grasp a biopsy core from bone marrow of a patient. The pincers may have sharpened edges and/or have their edges bent radially inwardly so as to enhance the cutting of the biopsy core from the bone marrow.
    Type: Grant
    Filed: March 8, 1995
    Date of Patent: January 21, 1997
    Assignees: Alan I. Rubinstein, Daniel B. Rubinstein
    Inventors: Alan Rubinstein, Andrew M. Olah, Emery Olah