hip arthroplasty

Question 1

choice of THR

Answer 1

cemented exeter V40 stem
- stainless steel
- highly polished double taper
- modularity

trident uncemented cup
- ingrowth
- larger heads due to thin shell size

heads
- cobalt chrome
- biolox delta ceramin

acetabular liner
- biolox delta ceramic
- polyethylene - highly cross linked

Question 1

why hybrid trident/ exeter

Answer 1

• odep rating of 15A*
• for exeter stem and for trident acetabular system with poly or ceramic

Survivorship
4% at 17yrs