
If you're thinking about having a knee replacement, this page will guide you through everything you need to know. It explains what the treatment involves, how the surgery is done, and what you can expect during recovery. You'll find helpful details about recovery times, getting back on your feet, and tips for managing day-to-day life after your operation. Whether you're just starting to explore your options or preparing for surgery, this page is here to support you every step of the way.
Knee replacement, also called a knee arthroplasty or arthroplasty of the knee, is knee surgery performed to replace the painful and worn surfaces inside your knee joint with artificial knee parts. These parts are made from metal, plastics, or ceramics.
So with knee replacement surgery, we do it because the joint wears out and, we remove some of the bone from the joint and replace it with a piece of metal and the plastic between the 2.
Knee replacement surgery is often recommended if you have:
• debilitating pain from your knee artritis or injury that results in severely painful joints which is holding your life back. This may be down to mobility impairment, or ability to perform everyday tasks which is impacting your quality of life and quality of sleep.
• tried non-surgical treatments, such as non-steroidal anti-inflammatory drugs (NSAIDs), physiotherapy and injections but these have failed to make an impact in relieving your pain and help your movement.
You will have knee replacement done, the operation done, due to various reasons. And most common reason why you will have a knee replacement is osteoarthritis, that is wear and tear of your joints. This wear and tear can happen due to aging process, could happen due to overuse. Sometimes it can happen if you had any injury and other conditions which are inflammatory, such as rheumatoid arthritis or other condition like that.
One of the major advantages of seeing a knee surgeon privately is that you can choose your surgeon, your appointments and treatment can be arranged at times that suit you, without any unnecessary waiting. This is especially important if you’re in a lot of pain or if you want to avoid particular dates for surgery.
Well, the main reason for me would be that I would be able to choose the consultant that I that I trust, an experienced consultant, and also the timeline is is much much quicker privately, and you can have your operation at a time that suits you.
A knee replacement consultation is an appointment with an orthopedic surgeon to determine whether you need a knee replacement and to discuss your treatment options. You will have a detailed discussion with your surgeon about your symptoms, how and when the pain started, how it affects your daily life, discuss your medical history and a treatment plan. Further imaging may be undertaken to form the diagnosis.
You would come into the consultation room, you would have a discussion with your surgeon. The surgeon would ask you all the questions about your symptoms, about your aspirations, what what would you like to achieve after the operation. And then your consultant would examine your knee and then eventually have a conversation with you about the possible ways forward.
There are three main types of knee replacement operation: Total knee replacement surgery, partial knee replacement surgery, revision knee replacement surgery. Your knee surgeon will discuss the most appropriate surgery for you.
There are two types of knee replacement. One is total knee replacement where we resurface all parts of the knee including the kneecap and the other type of knee replacement is only partial knee replacement where we resurface only 1/2 of the knee joint. What we will offer will depend on consultation, your symptoms and what we see on X-ray.
Before knee replacement surgery, your surgeon will provide a physical examination on the knee. An X-ray of your knee will be taken, in some cases an MRI might be required to get a more detailed image of your knee. As part of your pre-assesment, blood tests will be required and in some cases an ECG. If you have a special medical condition, additional tests may be required.
Before knee replacement surgery you will have a physical examination, you will have an X-ray or some other imaging modality and in your pre assessment you will have blood tests, ECG and if you have any special medical condition then you will have other tests on top of that.
You’ll be placed under anaesthetic during your knee replacement surgery to stop you from feeling any pain. After the operation, you can expect to feel some pain and you’ll have some swelling and bruising in and around your knee. Every patient is different, but you can expect it to take up to three months for the pain and swelling to settle down.
Pain is a very subjective thing, some people feel more pain after the same procedure than others. A partial knee replacement will be a lot less painful than a total knee replacement. Usually the first night is the most difficult one, then the anaesthetic wears off and then the pain tends to to improve after that.
After your knee replacement procedure, you’ll need to stay with us in the hospital until we’re confident you’re ready to go home, this is usually for one day. How long you stay will depend upon your surgery and your condition.
Regarding the overall stay, it used to be several days stay early days, but now with all new technologies and enhanced recoveries, typically a patient is in the hospital just one night overnight. So you are admitted on the day of the surgery in the morning and after having your procedure done you might have already first physio by the evening and the next day you have a bit of more physio, some cheques, X-ray and if didn't fit enough you'll be discharged home.
To boost your chances of having a successful knee replacement operation and a good recovery, you should take steps to make sure you’re in a healthy condition before the procedure such as being as active and fit as you can be with low impact exercise, eating a balanced diet, do your best to lose excess weight. You should also make practical preperations suchy as understanding your surgery and what will be required in your recovery, remove all trip hazards from your home and ask for suppport from family members and/or friends beforehand, as your mobility maybe limited after your operation.
The one of the most important things is that you keep the joint mobile so you can do exercise that doesn't upset the knee, doesn't make it swollen, doesn't make it painful. Then you want to eat healthy food and keep fit in general.
It is important to ask the right questions before your knee replacement surgery to help you feel informed and prepared. You will want to ask what could you do before surgery to improve your outcome, should you stop any medications, how will your mobility expected to be following surgery.
Well, before your knee replacement surgery, you want to know what you can expect from it in your situation. How much pain relief I can expect, how my mobility will be after the operation, and what risks are involved?
A knee replacement typically lasts 15 to 25 years, depending on several factors such as the type of implant, activity level, weight, and overall joint health.
Knee replacements last on average statistically for about 20 years in 90% of the cases.
The heavier you are, the the younger you are. More active you are, the shorter the lifespan.
Physiotherapy starts on the day of the surgery. One of our physiotherapists will help you get out of bed and stand using a walking aid, like crutches or a walking frame. They will also explain and demonstrate exercises you can do at home to help strengthen your knee and aid your knee replacement recovery. They can offer advice about everyday living and what you should and shouldn’t do.
So physiotherapist starts on the day of the surgery. Physiotherapists actually see you before the operation and they will come and see you once the anaesthetic has worn off and get you out of bed and get you walking.
At Ramsay, we know a speedy recovery is vital. Aftercare is a valuable part of the service we provide, and we aim to get you back to normal life as soon as we can. After knee replacement surgery, you’ll need to exercise, as advised by a physiotherapist. Your physiotherapist will see you on the day of your surgery and explain the process for physiotherapy following surgery. Our team will be on hand if you have any questions following your surgery, generally you will see a nurse after 10 days for your stiches removed and your surgeon usually sees you six weeks and six months post surgery.
Our physiotherapy team will make sure that you're not leaving the hospital until you are self-sufficient in terms of mobility and you know how to walk on stairs. We are obviously available anytime if you call back with any concerns or problems. Generally you will come to see a nurse in 10 days. For stitch removal you will be booked for more physio session. Afterwards, you will see your consultant in six weeks and six months before being discharged.
Most people can kneel around three months after their surgery when the scar tissue has healed enough. Many will be able to do so without any discomfort once they’ve fully recovered, while others may find it uncomfortable due to pressure being exerted onto the scar. a pillow, a cushion, or knee pads can make kneeling more comfortable.
You can kneel after a knee replacement, not immediately. I would refrain from kneeling completely first couple of months and then It is not advisable to kneel on hard surfaces for a long period of time anyway. But if you need to fix something under your sink, or pick something up, or shortly weed your garden, you can do that. And it's always a good idea to put a pillow on you.
How fast you can return to driving after knee replacement surgery will vary by patient and depends on how well you recover and respond to the operation. It will also depend on whether you drive an automatic or manual, and which knee was operated on.
You can drive once you feel safe and you can do an emergency brake. That is if your right leg was operated on. If you have an automatic and you had your left knee operated on, then you can drive pretty much whenever you feel comfortable sitting in a car.
The time it takes to walk after a knee replacement will vary from person to person. You’ll be encouraged to stand and walk while in the hospital, usually from day one, with the help of a walking aid, like crutches or a frame. Most patients can walk with a walking aid within a week or less after the operation.
After a knee replacement, you will be walking either the same day or the following day and you will be able to do stairs as well before you go home.
It often takes around one year to fully recover after a total knee replacement. Most patients can walk without a crutch or walker by around six weeks and are mostly free of pain and swelling by 12 weeks.
Recovery wise, the first main healing is about six weeks, It's obviously very individual. We have patients up and running in three weeks, we have patients still gradually getting rid of crutches within two months. But after six weeks in average people are starting driving cars, going back to work and so on, living normal life. Having said that, it will be still fresh with uncomfortable bit swollen and it will improve in terms of half a year, a year, but you need to expect about six weeks before you will have a normal quality of life.
Although most people can return to their usual activities once fully recovered, high-impact exercises and contact sports may no longer be possible after a knee replacement.
A knee replacement is done for you to enjoy your life, to get back to full function if you can. Therefore, generally I don't put any restriction on to what you can't do, but I mentioned that any impact exercises can damage the knee earlier on.
Most people do not need to return for additional surgery after a knee replacement for many years, if at all. However, follow-up visits with your orthopedic surgeon are important to monitor your knee and address any concerns.
Not necessarily, if you have done very well after total knee replacement then you don't need to come back and see us. You come back and see us only when if you have any problem.
Knee replacement, also called a knee arthroplasty or arthroplasty of the knee, is knee surgery performed to replace the painful and worn surfaces inside your knee joint with artificial knee parts. These parts are made from metal, plastics, or ceramics.
Knee surgery can reduce pain and improve your range of movement, helping you get on with your everyday life without your knees holding you back.
One of the major advantages of seeing a knee surgeon privately is that your appointments and treatment can be arranged at times that suit you, without any unnecessary waiting. This is especially important if you’re in a lot of pain or if you want to avoid particular dates for surgery.
You’ll be treated by an experienced Ramsay Health Care orthopaedic surgeon with a special interest in knee surgery, of your choice. They will discuss your individual needs and select the best prosthesis for you.
When you have knee replacement surgery (a knee arthroplasty), your surgeon will replace the damaged, worn, or diseased cartilage and bone in your knee with a prosthetic joint. This joint is made of plastic with a metal alloy or ceramic sandwich.
There are three main types of knee replacement operation:
The entire knee joint is replaced with a prosthetic joint. Sometimes the undersurface of the kneecap (patella) is also replaced. This is the most common type of knee replacement operation, usually performed when the knee joint is affected by severe arthritis.
Also called unicompartmental or "half-knee" replacement, as only the damaged part of the knee is replaced and not the entire joint. Partial knee replacement surgery is usually performed when damage or wear is limited to only one of the three compartments of the knee (the three main areas where bones meet in the joint).
A revision knee replacement is corrective surgery for a previous total knee replacement that has worn out, loosened, become infected, or failed for another reason. The old prosthetic parts are removed and replaced with a new prosthetic knee joint.
Your knee surgeon will discuss the most appropriate surgery for you.
Although people may need a knee replacement operation at any age, it is more common in older people between 60 and 80 who have experienced conditions like arthritis or osteoporosis. Genetics and previous lifestyle, such as playing certain sports, may make you more susceptible to arthritis and knee damage.
Initially, you might visit your GP if you’re experiencing persistent pain, stiffness, and loss of motion in your knee. They will likely conduct a physical examination, order an X-ray of your knee, or perform a blood test to diagnose the underlying problem.
They may recommend non-surgical treatment options or refer you to a consultant orthopaedic surgeon to discuss knee replacement surgery.
Knee replacement surgery is typically recommended if:
Read more about the signs you need a knee replacement.
Knee replacement operations are needed when parts within the knee become damaged. Usually, the smooth cartilage that covers and protects the end of bones in the knee joint is damaged or entirely lost, meaning bones move against each other, causing pain, stiffness, and loss of motion.
Knee damage of this kind can be caused by:
Your knee replacement should last at least 10 years and up to 20 years. Most people experience less pain and improved mobility following their knee replacement.
A knee replacement operation can take up to two hours depending on the type of knee replacement surgery you have.
To boost your chances of having a successful knee replacement operation and a good recovery, you should take steps to make sure you’re in a healthy condition before the procedure, such as:
You should also make the following practical preparations before your knee surgery:
Find out more about a hospital stay with Ramsay, including what to do before you come to us.
Knee replacement surgery can be carried out under a general or spinal anaesthetic. Your surgeon and anaesthetist will discuss which option is best for you.
During the operation, your surgeon will make a longitudinal (lengthways) cut down the front of your knee. They’ll move your kneecap to one side to reach the joint beneath.
The surgeon will remove the worn and damaged ends of your thigh bone and shin bone and shape them to fit the prosthetic implant they’re going to add. Your thigh and shin bone meet in three places (three compartments). With a total knee replacement, cartilage and bone will be removed from all three compartments. With partial knee replacement surgery, only one compartment will be operated on. In some cases, cartilage and bone will be removed from the underside of your kneecap and replaced with a new surface.
The prosthetic will be bonded to your shin and thigh bones using medical cement impregnated with antibiotics. Once the prosthetic joint is in place, your surgeon will reposition your kneecap and close and your cut.
After your knee surgery, you'll be taken to a recovery area to recuperate. You may need to stay in the hospital for a time after your operation. How long you stay will depend upon your surgery and your condition.
You’ll face a higher risk of blood clots after knee replacement surgery. To prevent the chances of this happening, you may be asked to:
After knee replacement surgery, you’ll need to exercise, as advised by a physiotherapist. This will help you get back on your feet and recover from the operation with good mobility. You can find more advice on recovering from a knee replacement here.
At Ramsay, we know a speedy recovery is vital. Aftercare is a valuable part of the service we provide, and we aim to get you back to normal life as soon as we can.
After your knee replacement procedure, you’ll need to stay with us in the hospital until we’re confident you’re ready to go home – usually for one to four days.
One of our physiotherapists will help you get out of bed and stand using a walking aid, like crutches or a walking frame. They will also explain and demonstrate exercises you can do at home to help strengthen your knee and aid your knee replacement recovery. They can offer advice about everyday living and what you should and shouldn’t do.
Although you will need to rest following surgery, you will also be encouraged to move with the help of your walking aid.
From two to six weeks, you’ll be more mobile and spend more time on your feet. By the end of this period, you may be able to walk without crutches or a frame. You may be able to drive and return to work.
Around three months after a total knee replacement, you should be able to live your life as you did before, although vigorous activities and contact sports may no longer be suitable.
You’ll be placed under anaesthetic during your knee replacement surgery to stop you from feeling any pain. After the operation, you can expect to feel some pain and you’ll have some swelling and bruising in and around your knee. Every patient is different, but you can expect it to take up to three months for the pain and swelling to settle down.
If you experience new or increasing pain in the weeks following your surgery, you should inform your healthcare provider.
The amount of time you’re out of work following a knee replacement operation will depend very much on your circumstances, including your health, how you respond to knee surgery, how you heal, and what type of work you do.
If you have a desk job, you may be able to return to work from six to eight weeks after your knee replacement. If your job is more physically demanding and involves a lot of heavy lifting, standing up, or walking for long periods, you may need to take 12 weeks off work or even longer.
You’ll also need to think about how you get to and from work, factoring in the amount of painkiller medication you’re taking, as some can cause drowsiness. If possible, a phased return to work, ideally with some work-from-home time, maybe the best option.
The time it takes to walk after a knee replacement will vary from person to person.
You’ll be encouraged to stand and walk while in the hospital, usually from day one, with the help of a walking aid, like crutches or a frame. Most patients can walk with a walking aid within a week or less after the operation.
As you keep walking and exercising, you’ll gradually build strength and stability. Most patients can walk unaided after about six weeks and return to longer walks and other activities, like a round of golf, by around three months.
How fast you can return to driving after knee replacement surgery will vary by patient and depends on how well you recover and respond to the operation. It will also depend on whether you drive an automatic or manual, and which knee was operated on.
Most people can drive safely between three to six weeks after their knee surgery, but it can take a little longer if it’s your left leg that was operated on and/or you drive a manual car.
Your surgeon or physiotherapist will advise you on what to avoid in the first few weeks after your knee surgery and beyond. But the following is a helpful general checklist:
Mr Marcus Cope, Consultant Orthopaedic Surgeon answers some additional questions around what you can do after knee replacement surgery here.
Just as with any surgery, knee replacement surgery carries the risk of complications, including:
If you think you’re developing any symptoms of complications after your knee replacement operation, you should see medical attention right away.
If you’re experiencing knee stiffness and pain, but aren’t at the point where a knee replacement is needed, there are a range of other treatment options open to you, such as:
If these don’t work or aren’t suitable, other surgical options can be tried before knee replacement is required. One option may be arthroscopic knee surgery, a type of keyhole surgery using an arthroscope – a small camera on a slim, flexible scope that can be inserted into the joint.
Arthroscopic knee surgery can include:
The cost of knee replacement surgery will depend on the type of knee surgery you have (partial or full), where you have it, and how you’ll pay for your knee surgery.
You can pay for your knee replacement surgery with a single one-off payment at a pre-agreed price with our all-inclusive TotalCare package, delivering direct access to all the treatment and care you need for complete reassurance. We also have a range of self payment options available for your knee surgery, including 0% payment plans.
If you want to pay for your knee replacement with private medical insurance, we can work directly with your insurer to arrange payment. We recommend you check with your insurance provider and get written confirmation before commencing treatment that your knee replacement is covered by your medical insurance policy.
We have more than 40 Ramsay Health Care hospitals across the UK, each ensuring you receive the very best of care and all the support you need before, during, and after your surgery.
Our leading knee surgeons are supported by orthopaedic nursing staff, consultant radiologists, and chartered physiotherapists to deliver your personal treatment plan.
We understand the debilitating nature of knee pain which may be putting your life on hold. Our aim is to provide you with fast and convenient appointments for the diagnosis and treatment of your knee problem so that we can quickly lessen your pain and get you moving again.
Contact us to find out more about knee replacement surgery with Ramsay Health Care.
Knee replacement is the most common joint replacement procedure. However, it is a major operation and is normally only recommended if other non-operative treatments – such as physiotherapy or injections – haven’t helped reduce pain and improve mobility.
Most people can kneel around three months after their surgery when the scar tissue has healed enough. Many will be able to do so without any discomfort once they’ve fully recovered, while others may find it uncomfortable due to pressure being exerted onto the scar. a pillow, a cushion, or knee pads can make kneeling more comfortable.
Your surgeon will be able to advise you on if and when it is safe for you to kneel again after surgery.
It often takes around one year to fully recover after a total knee replacement.
Most patients can walk without a crutch or walker by around six weeks and are mostly free of pain and swelling by 12 weeks.
Following your surgeon and physiotherapist’s aftercare advice will help aid your recovery.
Although most people can return to their usual activities once fully recovered, high-impact exercises and contact sports may no longer be possible after a knee replacement.
For many people, stiffness will eventually go away after a knee replacement operation, especially with good rehabilitation and continued appropriate exercise. However, some patients may experience lasting stiffness. In these cases, patients should speak to their doctor or surgeon about treatment options, such as physiotherapy or Manipulation Under Anesthesia (MUA).
When you leave hospital after your surgery you can stay home alone, but you should prepare your home before going into hospital for your surgery.
You should have a bedroom set up with easy access to a bathroom and kitchen so that you can navigate your way around easily, and place items you will need and use regularly at table-top height so you do not have to reach up or bend down. Make sure you have the food provisions you need.
You may want to arrange for someone to help you for the first week or two. You may feel very tired at first, and your muscles and tissues around your knee replacement will take time to heal.
Make sure you follow your surgeon or your care team’s post-operative advice and call us or your GP if you are worried about anything.
You will be provided with more detailed information during your pre-assessment from our physiotherapists and occupational therapists.
Total Knee Replacement
After a long career as a local government officer at Bradford Education Department, I retired and looked forward to spending quality time with my family. As a proud mother and grandmother, I wanted to enjoy every moment with my daughter and granddaughter. I enjoy walking my dog, reading, swimming, pottering in the garden and watching crime fiction on TV.
However, severe osteoarthritis made even the simplest tasks unbearable. I had crippling pain in both knees and lower back, every step I took was agony. I couldn't get in and out of the bath or cars, or up and especially down stairs, without assistance. I needed a stick to walk the small distances I could walk, I couldn't stand or sit for any length of time and lying in bed was extremely painful.
Several X-rays later, I was referred to the Yorkshire Clinic in Bingley, West Yorkshire, where I met Mr. Leggeter, my consultant. He quickly diagnosed me with severe osteoarthritis in both knees. The only way forward, he explained, was knee replacement surgery.
From my first consultation to being discharged, the whole experience was excellent. The clerical staff and receptionists ensured that I was kept up to date with all my appointments, and Mr. Leggeter was wonderful. He explained the surgery in detail, what to expect during recovery and completely put me at ease with his friendly and professional manner. The nursing staff were amazing, nothing was too much trouble for them. Plus the food was hotel standard, definitely not run of the mill hospital food.
The knee replacement has given me my life back. I no longer feel old and decrepit and can now look forward to going out and spending time with family and friends.
For anyone considering knee replacement surgery or similar procedures, my advice is simple: Go for it! The temporary few weeks pain of recovery is worth a lifetime's gain.
I feel incredibly lucky that I was admitted to the Yorkshire Clinic, and especially to have Mr. Leggeter as my consultant. I am so thankful.
Mr James Hahnel, based at The Yorkshire Clinic, Bingley, is at the forefront of robotic-assisted joint replacements. Discover how his precision-led approach is transforming recovery outcomes for patients across Yorkshire.
Following months of hard work from members of our mobile diagnostic team, RDUK, Ramsay's Mobile Diagnostic Unit, is proud to announce its award of the Quality Standard for Imaging (QSI) Quality Mark.
Ramsay Health Care are proud to have been recognised as 'Highly Commended' for the Excellence in Clinical Innovation HSJ Independent Healthcare Providers Awards 2025! This is a great recognition of an outstanding dedication to support of the NHS and improvement in healthcare services.
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