How soon can I do elliptical after hip replacement?

When comfortable. As soon as you are comfortable and probably around the time you are no longer using a cane should be safe for elliptical - as long as you knew how to use the elliptical before surgery. If you haven't used an elliptical before, then check with your surgeon first.

Related Questions

Is titanium the best material for a hip replacement?

No. Bone loves titanium, but its wrong to think that any one metal is "best". Titanium is a soft metal and bone can grow into titanium cementless-type porous ingrowth implants very effectivley making fixation secure. Being soft makes it a poor bearing surface for metal-on-metal implants which use harder cobalt chrome alloys. Different metals have different properties, but no one metal is "best". Read more...
Yes. Studies of hip replacements over the last 30 years have shown that titanium is one of the best materials to use for patients. Read more...