They will open up the hip capsule (or what remains of it), dislocate the hip, and then take the polyethylene liner out of the cup (often using special tools), and put a new one in, then reverse the procedure.
Poly exchange refers to needing to replace the polyethylene that acts as a contact surface at the bottom of the joint.
There are many examples. One such is that a knee replacement uses UHMPE - Ultra High Mass Poly Ethylene as the socket in the ball and socket part of the knee. This is due to its high lubricity and very high inertness so it will not be attacked by bodily fluids.
It is called roly poly
how to differenciate poly cotton and poly viscose
Regina Poly has written: 'Regina Poly'
poly and cotton
This is a roly poly.
Antoinette Poly has written: 'Memoirs of the family De Poly'
Yes. Sand the satin poly with fine sandpaper to remove the gloss, then coat with the flat poly.
Poly-amines are more durable, poly-amides are more resistant to moisture.
Poly means many.
how to insert poly catheter
Aloha: Answer: Assuming that Poly is a name, you say, "hauʻoli lā hānau, Poly" (how-oh-lee la hay-now, Poly).