Patent ID: 6027458
Filing Date: 2000-02-22
Classification: A61B

Abstract:
Biopsy device comprising:a longitudinal receiving element (1) which about an imaginary circumference peripherally enclosing the element is provided with at least one lengthwise directed tissue receiving space (3) located about the outer periphery of the receiving element (1), a knife (2) comprising a hollow needle which is provided at one end with at least one cutting edge (7), the knife (2) cooperating with the outer periphery of the receiving element (1) to cut off tissue collected in the receiving space (3), the knife (2) being rotatable around and axially movable along the length of the receiving element (1), the knife (2) configured to produce a cutting action upon helicoidal rotation in cooperation with the receiving element (1) while the receiving element (1) is maintained in a fixed position; and a driving device (10) connectable to the knife (2) to rotate the knife (2).