AN INSTRUMENT TO DETERMINE THE MUTUAL POSITIONS OF FEMUR AND ILIUM IN CONNECTION TO HIP SURGERY

摘要

The present invention relates to an instrument to determine the mutual positions of femur (2) and pelvis (1) in connection to hip surgery to facilitate a correct fitting in and fixation of the prosthesis hip components, comprising a first threaded fixing means (3a) for a holding rod (3) carrying a slide-calliper (5/6), a second threaded fixing means (4a) detachably attached to a trochanter rod or gauge rod (4b) and to be attached in femur (2) parallel to the holding rod (3). The invention is characterised in a driving rod (4) for attachment of said second fixing means (4a), an extended casing (7) being connected to the holding rod (3) by the slide-calliper (5/6) and displaceably carries the driving rod (4) during driving of the fixing means (4a).