Recognized that reducing resistance to the movement of prosthetic femoral heads within acetabular cups would reduce surface wear and.
E polythelene with a 36 mm ceramic femoral head.
In this prospective study we examined 93 consecutive uncemented thrs in 80 patients implanted in our institution between 1986 and 1989 the mean age at the time of the operation was 51 2 years 28 65.
Learn about the long term durability of zimmer longevity highly crosslinked polyethylene hip implants.
Today the average size is 32 mm.
20 years ago the average femoral head size was 22 mm.
The results suggest that by using a ceramic femoral head cocr fretting and corrosion from the modular head neck taper may be mitigated but not eliminated.
Biolox delta ceramic femoral head sizes 28mm 38mm are not recommended for use with a used stem trunnion.
Data on file at biomet.
Please consult the surgical technique and or package insert for proper use of the biolox delta option 40mm head.
Purpose of the study to determine the rate of polyethylene wear in hip arthroplasty depending on various factors and to evaluate a correlation of wear rate and motor activity of the patient.
Biolox delta ts ceramic head articul eze 12 14 description 28 mm 32 mm 36 mm 40 mm 44 mm neck length 1 trial head n a n a 1365 32 710 2530 91 000 n a n a n a n a n a n a neck length 1 5 trial head.
It combines the excellent material properties of alumina ceramics in terms of chemical and hydrothermal stability with extremely low wear superior mechanical strength and improved.
The clinical impact of the associated corrosion debris from.
Developed by sir john charnley as low friction arthroplasty total hip arthroplasty tha is one of the most successful procedures in medicine 1 2 consistent with autogenous low friction between living bone and articular cartilage charnley 3 4.
Size is another important technical consideration.
A new ceramic in orthopaedics.