Patent ID: 6702816
Filing Date: 2004-03-09
Classification: A61B

Abstract:
A femur marrow nail for insertion between the condylii (1,2) of a knee joint having an anchoring (4) in the region of the nail tip (3), having a curvature (6) provided in the sagittal plane (5) and having a straight end piece (7) which has fastening bores (12, 13) with axes B, C for its fastening, wherein at least two fastening bores (12, 13) cross the longitudinal axis X of the end piece (7) with axes B and C at a spacing less than 70 millimeters from an end (8) of the end piece (7), and with their axes B and C penetrating a plane (10) which includes the end (8) and is perpendicular to the longitudinal axis X at a distance r from the X axis in a region of 10 mm&lE;r&lE;116 mm in order to grip hard bone zones with fastening screws (15, 16) in the region of the condylii (1, 2), wherein, in a projection in the direction of the longitudinal axis X of the end piece (7), the axis C extends in an angle region 30Â°&lE;&bgr;3&lE;45Â° to the sagittal plane (5).