摘要 |
FIELD: medicine.SUBSTANCE: invention relates to medicine. Joint prosthesis having a bending hinge, which is formed by a hinge fork and an axle pin, which comprises two axle stubs which are arranged in an installation position for insertion, in which installation position axle stubs are retracted in a coupling piece, and in an expanded position after implantation by movement in axial direction into aligned hinge holes of the hinge fork. Axle pin has two bearing areas at ends of axle pin and a joining area lying therebetween. Axle pin is separated in joining area along a plane extending in axial direction, which plane intersects with jacket of axle pin at two points.EFFECT: invention provides simple installation with prevention of jamming of axle pins.16 cl, 8 dwg |