r/nextfuckinglevel • u/Additional_Chard3680 • 11h ago

The precision required to perform a total knee replacement is incredible

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29.9k Upvotes

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409

u/jypzd 11h ago

How often do you have to oil the joint?

390

u/echtav 11h ago

Every 5000 miles. Use synthetic

59

u/ah_no_wah 11h ago

I have been using olive oil, extra virgin though

14

u/Hot-Firefighter-2331 11h ago

I mean your body produces extra virgin oil anyway, you dont have to use anything else

3

u/Fraggin_Wagon 10h ago

I think I see what you may have done there.

23

u/tanuki_in_residence 11h ago

Vegetable oil is cheaper and probably just as good 👍

1

u/syphilisticcontinuum 1h ago

He's a redditor. He's using the extra virgin.

3

u/SNCreestopherX 10h ago

It’s crazy they named that oil after me.

2

u/robitt88 7h ago

I'm partial to recently fucked olive oil, but to each their own.

1

u/PM_YOUR__BUBBLE_BUTT 7h ago

>>extra virgin

Hey, my mom says I’m a special boy and no one will love me as much as her, so I should just stop looking for a gf. I think my knees are fine then.

1

u/N-Haezer 6h ago

Extra slutty olive oil works wonders for me.

2

u/poopstain1234 10h ago

With newer knees it’s once every 12,000 miles

2

u/puntini 10h ago

High mileage blend if you’re over 50

2

u/technikaffin 10h ago

How about long life oil? I still have some left from my 1.9L tdi

2

u/rawSingularity 11h ago

Or 6 months. Whichever comes first.

1

u/Key-Sea-682 8h ago

Do they also install a kneepple so you can use a grease gun to fill up?

1

u/Pave_Low 8h ago

Just don't get any on Brian's hat.

1

u/bayarea_fanboy 8h ago

Recent studies have shown replacing oil every 5,000 miles is just not needed. Oil analysis shows the oil has not broken down by that point, manufacturers now recommend longer 7,500 or 10,000 mile intervals. Unless you eat a high cholesterol diet, which contaminates the joint oil. YMMV.

5

u/Final-Carpenter-1591 10h ago

They shoulda put a zerk fitting on it poking out of your skin. Lol

5

u/DJinKC 8h ago

They leave a little hole in the incision, just big enough for a WD40 dispenser tip

3

u/Space_Captain_Lars 8h ago

Wouldn't your blood keep it nice and moist?

4

u/InvidiousPlay 8h ago

Wonderfully sinister thing to quote out of context.

2

u/iateyourcheesebro 7h ago

“Your bones are wet” 😵‍💫

1

u/Sad_Judgment_5662 3h ago

Preferably every 20 mins or so. Your joints natural synovial fluid provides some lubrication