Orthopedic prosthetic implant devices

Details Orthopedic prosthetic implant devices Orthopedic prosthetic implant devices

A - Human Necessities

61

F

3/104

A61F 1/00 (1980.01)

Patent

CA 1055652

ABSTRACT OF THE DISCLOSURE A prosthetic joint for use in replacement of the ball end of defective biological hip joints, the prosthetic joint including a head for insertion into and unattached seating in the socket member of the biological joint, a bearing insert in the head, the bearing insert having a spherical seat and being engaged in the head by a plurality of axially extending ridges on said head which engage with the bearing insert and prevent the bearing insert from rotating in the head, a ball shaped member seated in the spherical seat and having a diameter not more than 65% of the diameter of the head, the bearing insert including means for engaging the ball shaped member and for retaining such ball shaped member in the bearing insert while permitting pivotal universal movement of the ball shaped member and the attaching means in the bearing insert and means for attaching the ball shaped member to the shaft of an anatomical member of the joint being partially replaced with the prosthetic joint.

215825

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