How Does a Hip Replacement Stay In Place? 🔨 Pressfit Hip Implants

Pressfit or Uncemented total #hiparthroplasty (THA) is an excellent option for patients with healthy bone and can provide bone stock preservation and implant longevity. Over time, the osteophilic (bone compatible) nature of the implant's metal surface facilitates secondary osseointegration, becoming a part of your bone. #pressfit #hipreplacementsurgery
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About Dr. Cory Calendine, MD #orthopedicsurgeon #jointreplacement
In the operating room, I get to perform more than 600 hip & knee replacement surgeries each year. From LIVE surgical demos to viral video highlights, together let's explore - react - discuss all things related to bone and joint health. THANK YOU for your comments, questions and suggestions. If there’s a medical topic or question you want me to discuss, please comment below.
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Opinions expressed are solely my own and do not express the views or opinions of my employer. Information in this video is not intended or implied to be a substitute for professional medical advice, diagnosis and/or treatment. All content [images, digital graphics, text, and other information] contained in this video is for general information purposes only and does not replace or substitute for a consultation with a qualified physician or health professional.

[@chipsun2504]

My whole leg went numb

[@BoneDoctor_YouTube]

Just from watching the video? Or have you had the procedure?

[@Shadowpython10]

@@BoneDoctor_KZbinmost likely from watching it, cause it happend to me just from hearing it

[@thereinaldo1999]

Same, been on the toilet too long.

[@YourDadsSon]

@@thereinaldo1999I’m reading this on the toilet

[@BoneDoctor_YouTube]

@@YourDadsSon hope everything came out OK. Thanks for taking the time.

[@friedec3622]

Junior surgeon: "How do we attach a steel ball that is bigger than the hole?" Senior surgeon: "With a hammer"

[@Shnierpiffle]

By making a shitload of money

[@davidrosenau3136]

Hopefully there won't be stress cracks!!

[@orionkelly552]

Afterwards, a process called osseointegration happens where the bone will grow into the nooks and crannies in the surface of the implant, essentially fusing it to the bone!

[@intanettrappin8367]

A surgery room sounding like a mechanic shop is crazy

[@BoneDoctor_YouTube]

Often sounds very similar. Thanks for taking the time.

[@ayoitssteve869]

As an auto technician, i can say Youre definitely missing a few things, try getting an impact, air hammer and maybe a die grinder lmao

[@AdamKueflef]

​@@ayoitssteve869numatic drill for the socket shape and possible impact for the screws for the socket

[@Eduardo_Espinoza]

similar to popping a CV joint in lol

[@Eduardo_Espinoza]

surgeons also forget tools inside too! 😝

[@Chicky.Treats]

So you’re a contractor… but for bones.

[@BoneDoctor_YouTube]

Definitely similarities, but I wouldn’t trust myself to hammer anything outside of the human body 😅 Thanks for taking the time 🙏

[@avman2cl]

​@@BoneDoctor_KZbinand i as a contractor wouldn't trust myself to hammer anything inside the body. Maybe.

[@jevenator]

@@BoneDoctor_KZbini think you're being to humble.

[@kennethswanson714]

THE BODY IS MORE LIKE YOUR CAR. IT HAS JOINTS/BALL JOINTS,RADIATOR VS SWEATING,SENSORS WHEN YOU OVERHEAT GET ACTIVATED.GAS VS FOOD FOR ENERGY, COMPUTOR VS YOUR BRAIN

[@BoneDoctor_YouTube]

@@kennethswanson714 often requires some of the same techniques

[@joycehorning746]

I had a total hip replacement. And I can see why I was so sore afterwards.

[@BawlsMahoney]

If I had a large metal socket hammered into my pelvis, I'd also be pretty sore

[@BoneDoctor_YouTube]

How’s new hip doing?

[@joycehorning746]

Actually, I just had a 4yr check up. My orthopedic surgeon said everything looks great and that he is very pleased with the result. And seriously, I am very happy I had it done! Thanks for asking...

[@BoneDoctor_YouTube]

@@joycehorning746Excellent! Thanks for sharing 🙏 Hope all continues to improve 🙏

[@vintotschannel4616]

Hip replacement is a very famous procedure in the US. Here in the Philippines, I rarely hear somebody's having that procedure.

[@ofekmizrahi3079]

I pray I won't ever be on a operation table, always important to appreciate your health and shout out to the surgeons who treat people too

[@BoneDoctor_YouTube]

Completely agree and Will said. Hope your joint stay healthy.

[@natepulliam9191]

The anticipation of getting both of mine done was worse than the surgery itself it's like going toba resort but your getting some shit done.

[@davidrosenau3136]

Ate healthy, was gym rat, jogged a mile every other day.....have had Gen anesthesia 12 times since 60. Been down hill since.

[@Vajrapani_Hum]

In engineering disciplines it is called an interference fit.

[@JuanCruz-et8so]

Violated the whole in the bone 😭

[@josefmechanic]

Imagine waking up and your bones are having mansonry work done with a hammer😂

[@BoneDoctor_YouTube]

😮😮😮

[@gabrielebesia3205]

mi sono svegliato durante la fresatura del bacino e, pur capendo cosa stava succedendo, non mi importava di nulla....apatia totale.

[@gabrielebesia3205]

@@BoneDoctor_KZbin non sono medico ma penso che diano delle sostanze che annullano la capacita' di reagire, di capire a fondo la realta'..normalmente ci sarebbe da impazzire.

[@Robnoxious77]

It happens. People get ptsd from shit like that. They call it anaesthesia awareness or something?

[@viperfan7]

I would more treat this as carpentry

[@OntarioBearHunter]

I felt every hit of that hammer in my soul

[@BoneDoctor_YouTube]

Sorry about that. Hope it’s a Procedure you never need.

[@mikangv08]

Same

[@thecr3at0r75]

Don’t worry, souls don’t have legs.

[@stimulatemyexistence5669]

I've had a titanium rod get sledge hammered into my leg, they bend your leg like a V, pull up your knee can, drill then sledge.

[@RyanSexton20111]

Fentanyl gets a bad rap, but they knocked me out with it to get this done...3 month recovery that had me walking 2 hours after I woke up...I remember nothing but the fact it doesn't hurt on that side anymore...getting the other side done soon too.... IYKYK... if you don't be thankful

[@amytrivette9204]

I had a hip replacement a few months ago on my right leg. I will eventually have to have my left hip replaced as well. You’d be surprised…it wasn’t bad at all. Even when I had to get up and walk just 3 hours after surgery I had no pain. In fact, I’ve had a toothache that hurt worse than the hip replacement. True story.

[@kristyanongbisayastudio9593]

good for you. I had unfathomable pain after mine.😢🤧

[@WhoU8]

Good drugs.

[@joshJ.]

I used to be a surgical technician and in orthopedic surgery we’re basically using medical equipment that is straight out of Home Depot/Lowe’s 😂and the cutting,drilling and pounding is like you’re building something! If you’re out in the woods and your legs break make sure you bring a buddy that knows construction 🦺 ❤😂🎉

[@laurenchacon621]

I work in sterile processing it’s cool to see how the instruments are used thanks for these videos!!!

[@BoneDoctor_YouTube]

Unsung heroes! Thanks for your work and thanks for taking the time. All critique, suggestions and discussion welcome

[@melgigz178]

I called it the cheese grater

[@Loquacious_Jackson]

Don't care. Didn't ask.

[@Synthetizard]

Same, now I see why when I get these in decon they are just straight up filled with human bone paste

[@Groveherooffcial]

What’s is that?

[@chaos.n.cosmos]

Damn that's a whole metal workshop and carpentry going on in the hospital 👀🛠️

[@BoneDoctor_YouTube]

A lot of similarities sometimes

[@thecr3at0r75]

We are machines after all. Just made of different stuff.

[@ronal8824]

​@@thecr3at0r75flesh and blood oppose to metal and electricity l

[@TK-gd9td]

both fields fundamentally use physics and material science.

[@kv4648]

​@@thecr3at0r75we have a lot of irreplaceable parts

[@dillpickle7633]

POV: You fell asleep at the sleepover first.

[@user-ny7cs2dx1g]

I am recovering from my 7th back surgery, and another week in the hospital from an infection. I told myself that I’m done with surgery. I will never have another surgery done again. The last two spinal fusions, I’ve had to spend another week each time in the hospital with an infection. Just had surgery on Monday to clean the wound out. I’m absolutely sickened by the lack of good healthcare in Orlando Florida.

[@BoneDoctor_YouTube]

infections can be a horrible complication, very sorry to hear all you've been through. seeing improvement?

[@EPBF1]

Orthopedic surgery so bloody loud and amazing as a student nurse I was so fascinated watching the surgery I didn't release I was getting splattered with blood . The circulating nurse noticed & got me covered up It was at that moment I noticed all my classmates were gone bc they had gotten squimish and ended up leaving.

[@paulammon2281]

Dr didn't believe me when i said that i had dense bones. He understood when he burnt out the disc he was using to cut my vertebre 😅

[@BoneDoctor_YouTube]

@@paulammon2281😮 hope all is going well since surgery.

[@BoneDoctor_YouTube]

😮 welcome to orthopedics 😮

[@Iwantenglandback]

Don't think about it. I've had two and woke up on the latest which was spinal block but I was hazy and mo pain. It was fine and the benefits are amazingly worth it.

[@BoneDoctor_YouTube]

Quick explanation of pressfit or uncemented hip replacement - great options if you have healthy bone. Lmk what questions you have and more hip implant specifics up soon. Thanks for taking the time 🙏

[@sidscarlet]

What if bone breaks or get fractured when ur hammering it to fit? That looks scary

[@trevorminton6084]

Does the bone ever fatigue or crack after the surgery from the pressure fit? Ive seen wood jointery crack after so many years of constant pressure

[@sidscarlet]

Question is when doc is hammering on the knee won't that force travel to the whole bone? And create micro fractures on tibia ??

[@Flesh4Toast]

What are the success rate and longevity with this type of procedure on someone in their 30s?

[@joelawton123]

@@Flesh4Toastdon’t have it done in your 30’s if you can help it

[@springcougar1]

I actually make the components for implants. The factory I work in does hips, the acetublar shells, the ceramic heads and the liners. Plus full and partial knee products. Titanium and cobalt chrome. My job is to manufacture the large complete knee replacements and polish them to a mirror finish in order for there to be no wear on the bearing for the patient. Incredible medical achievements.

[@ryanwiththefur12345]

That's actually really cool, you talk about your job with passion you just really enjoy what you do! I fabricate suspension components for cars so not nearly as impressive but I know what goes into ensuring a fit within tight tolerances, I can't imagine the tolerances you'd have to meet for something like a hip replacement

[@rickwunn2850]

Hope it was not the J and J (mom) that was recalled?

[@springcougar1]

@@rickwunn2850 no not j & j. Another big contender though.

[@DixonLusson-rt3fh]

Wow.😮

[@nategonzalez5011]

how do I get this job..

[@Elena-gt3xu]

Doctors are body mechanics. I’m more and more convinced.

[@laurenperdue3981]

I have an acetabular severe labrum tear in my hip... I've been procrastinating on getting it "fixed" for 3 years. It's very painful and now barely can walk, when I DO walk it's with a limp. I used to be a professional ballet dancer. It's ruined my life. I've gained 100 lbs from depression and lack of movement.

[@BoneDoctor_YouTube]

Very sorry to hear. Joint pain in many people can become a vicious cycle that limits activity which result in worsening joint disease, which intern makes activity in daily life that much harder. Hope you have option for relief soon and all goes well.

[@kingauning18]

So you gonna get hips arthroscopy? I got it 7 mos ago until now I can't walk without crutches still pain in my hips and my knee buckles up I wish I just wait I get arthritis in my hips and get hips total replacement

[@israahasan856]

Oh sweetie, it's really hard to handle that. it's ok to gain some weight. I also did gained 100 lb when I had cancer. So I totally feel you, depression, surgeries, doctors appointment, hospitals,...ext But we're strong sister 💪 we gonna move on, we gonna live again 😌❤️

[@BoneDoctor_YouTube]

@@israahasan856 excellent attitude! Keep up the hard work

[@nate44222000]

After just having a double hip replacement at 34 years old, I can tell you that I'll take post surgery pain over the pain of avascular necrosis any day.

[@Storylines2023]

Would it the forcing of the plate cause stress fractures around the bone? I would rather invent a piece that can expand into the original size and be locked in place so as to cause less pain and faster healing. But I am just a carpenter. Wish I could stuff like that! That must be so satisfying to work and fix broken bones.

[@BoneDoctor_YouTube]

Excellent thought. It is important to make sure that the cup is being pressed into healthy bone. In cases where the hip socket is extremely damaged or bone is extremely thin sometimes the socket Hass to be reconstructed with additional custom metal plates to allow cup fixation they should take your time.

[@joelawton123]

No not really if the bone is decent quality, the reason the hole is reamed is to give as complete a fit as possible, you really don’t want gaps or movement The body has incredible recovery ability

[@angiecerciello126]

In healthy bone, any tiny fractures heal and actually heal stronger.. it helps everything lock together but imagine if the hit it too hard 😮

[@blaccteezy]

When I make ball joints for my scale RC models that is the trickiest part, captured ball. I make the control arm tighter to hold the ball in place. I press them in as well.

[@robertstack2144]

That's the way they in the medical community do it, learning as they go, patient by patient making changes as they go, avoiding past mistakes that injured or killed many patients . After all folks, they keep practicing and changing things as they go because it's a PRACTICE. They practice on you.

[@ZucchiZ]

Carpenters these days really know their joints

[@Ancikristus]

Thanks for the job tips! (I'm a plane mechanic)

[@BoneDoctor_YouTube]

Thanks for your work!!!

[@mikhail2400]

My first hip replacement lasted three years because I didnt listen to the doctor and went back to heavy construction. My second one has lasted 10 years so far and still going strong. A lady I know just had her hip replaced and the doctor installed the part of the joint that goes down inside the thigh bone in a way that made it essentially cocked. This means the ball joint didnt mate up with the socket correctly causing her tremendous pain but she is scheduled for another surgery very soon

[@hippopotaman075]

I've been lucky, had total hip non cement,in 2008, let it heal for 9 months wih physio, been working in construction since driving excavators, trucks, labour, touch wood still going strong. From Australia . Hope your 2nd one serves you well, keep doing the exercises that keep your hip muscles strong. 😊🌏

[@mikhail2400]

@@hippopotaman075 Nice to hear your surgery went and recovery went great. My biggest problems these days is the soreness that comes from say walking around Walmart for 30-45 minutes, I start limping and the fact that my right leg is about 2 1/2 inches shorter than my left leg. I hope you continue to stay problem free but let me leave you with a small piece of advice. Avoid lifting heavy weights and allowing the pressure to weigh on the hip joint. Thats one of the main reasons my 1st hip replacement went bad. I managed to squeeze the gel or whatever it is they use in the hip joint socket that prevents bone on bone contact when the joint rotates

[@hippopotaman075]

Yeah, thanks, thats why i did the 9 months physio, 1, let the bone and cup knit together, 2 build up the muscles that hold the hip joint in place. The only pain i had was stretching out the scar tissue from the cut, thanks for replying

[@kelseyvergara4160]

This is what happens when you sleep first on a sleep over

[@dixiehuston4869]

Fantastic video. I had this surgery twice..INCREDIBLE. Thank you.

[@ralphvalkenhoff2887]

Great how you actually answer our questions. Thank you

[@BoneDoctor_YouTube]

Thanks for taking the time 🙏

[@Morilin]

I can suddenly feel my pacemaker - and now I'm imagining the screws in my heart twisting.

[@kathycorcoran1589]

I just got one. Now you got me thinking about that. I'm still very sore and trying not to pull the wires out.

[@lolxdred7791]

"We press the metal into the bone" cuts to homeboy going to town on that pelvis

[@BoneDoctor_YouTube]

deeply pressed into the socket of the pelvic bone, yes. Thanks for taking the time

[@blackenedfrost7518]

Legit construction work lmaoo

[@BoneDoctor_YouTube]

Shares, many similarities, sometimes

[@dibsdibs3495]

Is this more efficient than simply making a perfect sized hole and drilling the metal piece in?

[@BoneDoctor_YouTube]

That is the general idea, and the specific goal is precision, alignment, depth, and placement of the cup. However, regardless of specific planning or technique, it is important that the cup surface is pressed firmly and is in contact with bone surface. Thanks for taking the time 🙏

[@_wayward_494]

You want as much contact as possible with the bone, hammering it in guarantees that

[@BoneDoctor_YouTube]

@@_wayward_494Excellent! agreed!!

[@RastaJadeMoon]

I always wondered this

[@BoneDoctor_YouTube]

Thanks for taking the time 🙏 all critique, suggestions and questions welcome

[@thomaswilsonsr.9206]

Words have never made me feel physical pain until he said he presses metal into bone.

[@SSGMedicoSchool]

orthopaedics is amazing 😍👏

[@carlmiller5732]

Unless they mess it up and have to redo it 12 times.

[@BoneDoctor_YouTube]

Thankfully, very uncommon and very sad when it happens.

[@joshuazafe1247]

Imagine waking up mid surgery watching this dude hammering down

[@joshuag2731]

Dr. Mechanic doing his best.

[@Kasper623]

As a circulator, these types of surgeries are always the most fascinating to me.

[@carreenbogden]

It’s a goddamned miracle that they can do this. Love it.

[@johnsabatula5292]

No wonder my hip is hurting since getting it put in last week, makes more sense now.

[@David-fb2wu]

I always thought there would be a more sophisticated way of doing that not just drilling a hole and hammering it in 😂😂

[@kjajmol]

That's why you never fall asleep first at a sleepover. Imagine getting pranked and randomly got your hipbone replaced.

[@lastsamurai808]

I've had total hip replacement on both sides. Both went smooth. Feel so much better than the previous two years.

[@ruix]

Surgery is really fascinating. On one hand there is brain surgeries that requires extreme precision and on the other hand there is hammering stuff into bones. Great video!

[@philipjohn1338]

Orthopedic surgeons are a different breed of Doctors

[@myballspaul4889]

bring out the cyborg crafting hammer, we strike iron when it's hot

[@sunflower9611]

OMG you guys did that to my mom twice? I knew she was a superhero before, but gosh.

[@BoneDoctor_YouTube]

how are her new hips doing?

[@831podiance]

Hipp and knee replacements are by far the coolest surgeries to watch!

[@BoneDoctor_YouTube]

completely agree. work in surgery?

[@pedrocaballero1497]

Damn! Thor is just hammering away like he is wiping out all of the zombies.

[@mjuo]

“Press the metal into the bone” *proceeds to hammer with all his strength*

[@waffles4life893]

i had a limb salvage surgery for cancer in my left tibia and it was somewhat like this. it’s super interesting to see and i’m grateful for the amazing doctors who saved my life 🙏

[@stephmo371]

Orthopedic surgeons are the carpenters of the body

[@coraaalys]

As a sterile processing tech I love this kind of videos, it helps people to realize how important our job is for the patients, thank you for sharing!

[@danilofernandes3039]

hip surgeries were the best that i have assisted on, despite being 3+ hrs long, its so f awesome

[@nancysnead5132]

GEEZ!!! THAT IS WHY I PRAY FOR A MIRACLE!!

[@MrtinL1]

I have that metal/metal cobalt hip replacement.. works great.

[@cosmic7234]

Yall got power tools and sledgehammers for surgery 😭 ill never get over that 😂

[@BoneDoctor_YouTube]

definitely highlight of orthopedics lol

[@Alaminxlr8]

All hail to these doctors, my soul leaves the body and comes back when I just think about it.

[@colbynelson4675]

Have a achilles tendon in my knee. People who dedicate their knowledge to fix the human body is much appreciated.

[@1Himiko7Toga]

Bro turned into a mechanic with the human for a sec 😂😂😂

[@beatricelanderos2603]

Surgeon: "Ok, I'm getting ready to glue everything together, hand me that big bottle of Krazy Glue over there."

[@user-wi3qz6fx6y]

This guy's community interaction rate is insane

[@debrajabs9523]

I am an inpatient coding auditor. I love orthopedic surgery. It is so fascinating what we can do to repair the body but also it ability to repair itself.

[@mostlymagical3220]

Orthopods are the only surgeons with a minimum deadlift requirement

[@episke7995]

They're whacking they leg harder than I hit my rotors during a brake job 😂😂

[@stevengayer3420]

I’ve actually shadowed my mom on this case it’s called a “total hip”!! And this surgery is soooo crazy I literally saw bone marrow+actual bone honestly amazing how surgery has advanced this far!

[@Wechosworld]

Bros getting upgrades. Hammering away like hes getting a new car part😂

[@BohemothWatts-vz1lc]

I had a bilateral hip replacement during 1998. After seeing this, the pain came back.

[@RKSNomad]

bros friction fitting a part into him like my car mechanic fixing my fly wheel.

[@alibenhassan3746]

*MY ENTIRE HIP AND LEGS FELT NUMB WHEN I WATCHED THIS 💀💀💀*

[@Ruggedystim]

That sound will stay with me awhile

[@sawyerbarnes7439]

Ive realized its nothing a carpenter wouldnt think of. Drills, hammers, saws, screws.

[@marcanatorjn4031]

We got them press fit joints shits crazy

[@BoneDoctor_YouTube]

press-fit used as #1 choice when possible. thanks for taking the time.

[@user-zc4cv6yt7s]

At this time, the doctor became a decoration worker

[@number2son1980]

My hip just said "Ouch!" 😂

[@joshuajim65]

Just imagine being awake for this.

[@TheMysteriousSpycrab]

“Oh my god, Jesus Christ!” - my exact words when he started hammering with the mallet..

[@prpllettuce1420]

Sounds just like the job site 💀

[@motorinmaineiac5081]

From the front desk: "Can someone from maintenance please report to OR-1, the doctor needs a bigger hammer."

[@CbRoXiDe]

This would explain why I felt like id had a sledgehammer to the knee after surgery 😂.

[@destructivecriticism5842]

Modern medicine uses hammers… I love it

[@andrewthehope]

Thank you for your service sir!

[@PugJudge]

Me wakes up during surgery The doctor with a mallet 👁👄👁

[@-UnKnOwN6-]

Poor guy, His Homies Played a Lil Prank for him for being the one who fell asleep first 💀

[@shawndyer8140]

Glad we can do this.

[@rizwanwasi7019]

One thing is sure that if Operation theatre is not free, orthopedic surgeons can use any carpenter's workshop in emergency

[@natepulliam9191]

I had both done totally pain free.

[@absurdtyhiggins]

“We machine the bone” hell yeah doc, build me up like a good small block Chevy.

[@kanadakid147]

My mum said she had the most fun with orthopedic surgeries. Lots of power tools to have fun with

[@dontworryabit]

Why do I keep getting hip replacement videos this is like the fourth one I’ve gotten 😂

[@Codcj2]

I know this sounds sadistic but having had an interest in medicine and training to be a nurse i learnt alot about surgery and cant help but find humor and supprise in how so few people know that surgery is anything but delicate and elegant

[@MrNexusNXS]

Dr: does it hurt? Also Dr:

[@eancola6111]

Never thought I’d see a surgical hammer

[@Steelwolf21]

I manufactured a lot of these. If your implant is 3d printed, a lattice is part of the exterior surface. Its a rough porous surface that allows the bone to grow intervenously. Its similar to a tree growing around a metal fence. A couple years after surgery and your bone is effectively infused with the metal. Thats how the metsl stays in the bone.

[@luisloks]

Lol those ORs always be sounding like machine shops😂

[@stevenpatterson2225]

Been there and done it. I live with pain everyday. Sucks so bad but least I still have a leg so I'm lucky compared to some. Godbless everyone

[@user-ft4ci6bh8n]

Am I the only one who let out a scream when they started pounding the bone? 😂

[@AKVcodm]

Nothing will be more scarier than hearing hammer sound outside the OT as a waiting patient..