Patents Assigned to Leica Mikrosysteme AG
  • Biopsy needle
    Patent number: 6440086
    Abstract: A precision biopsy needle for removing liquid-containing tissue samples. The needle includes a needle body that receives a tissue sample and an internal plunger that is movable inside the needle body. A removable sample receiving element is introduced between the inner wall of the needle body and the movable inner plunger. The tissue sample may be transferred without the risk of damage to the tissue structure, and prevents the sample material from drying out during manipulation.
    Type: Grant
    Filed: November 20, 2000
    Date of Patent: August 27, 2002
    Assignee: Leica Mikrosysteme AG
    Inventor: Heinz Hohenberg
  • High-pressure freezing system
    Patent number: 6269649
    Abstract: The invention relates to a high-pressure freezing system in which the pressure build-up ensues from a prestressed pneumatic cylinder. This results in a particularly rapid pressure rise in the sample holder.
    Type: Grant
    Filed: June 7, 2000
    Date of Patent: August 7, 2001
    Assignee: Leica Mikrosysteme AG
    Inventor: Daniel Studer