@insicknessandinhealt

Excellent points. Both Jiffy Knee and Nanoknee focus, publicly, on the method of entry and don't share any information beyond that. No information as to whether it should be done with a robot or not, what options are there for the patient (e.g., a bicruciate retaining implant), the brand of implant, whether a tournaquet is used (I suspect not), etc.

Aside from the Jiffy Knee's inventor's design of a tool, Jiffy Knee and Nano Knee are just different forms of subvastus surgery. My surgeon has been doing subvastus surgeries for at least a decade with tranexamic acid instead of a tourniquet, a CORI robot to assist him, functional alignment and Genesis and now Journey II implants. He also does revisions. I didn't do a nationwide search for a surgeon since I had Jimmy Chow right here. But I am sure there are other well qualified surgeons around the country that do subvastus methods.

My brother, in the middle of the country hinterlands, is getting his knees replaced by a well respected surgeon who is old school (uses a tourniquet, doesn't do subvastus (cuts the tendon and resews it), etc.); he doesn't have a qualified subvastus surgeon where he lives. He has had the first one done and he has had a lot of pain when he is trying to sleep since then and had significant pain from the tourniquet for the first post surgery week. On the other hand, I have a surgeon who does subvastus, uses tranexamic acid instead of a tourniquet, has done lots of cruciate retaining implants sparing both the ACL and PCL, uses a robot assistant, and has an international practice. And, most importantly, he has done hundreds if not thousands of them (Smith and Nephew has a video on its web page of Doctor Chow doing a bicruciate retaining implant with a subvastus approach at a conference in 2020). Dr. Chow's PA looked at the MRI of my knee and thought that the PCL and ACL look strong. Dr. Chow will decide if he can do a bicruciate retaining implant when he is actually doing the surgery and has the best view of the ligaments. I am hoping to get that type of implant.

I did mention to my surgeon a few weeks ago when we were just chatting that I have a friend who is scheduled to get a TKR from a Jiffy Knee surgeon. Dr. Chow said that the key is the skill and experience of the Jiffy surgeon. he asked me who and I told him Timothy Kavanaugh. He said that Kavanaugh is a good surgeon and he has not seen any problems with his work (Dr. Chow does revisions).

In general, I would avoid Jiffy Knees and Nano Knees if I have a good alternative for the very reason you state. The OP on this thread is from California. I would expect that it would not be that difficult to find a great surgeon meeting all the criteria inside the state.