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Arthritis is a condition in which the joints become inflamed, often affecting the knee joints. While arthritis is commonly associated with joint wear, a physical injury to the knee can also lead to the development of arthritis, termed “post-traumatic arthritis.”

Post-Traumatic Arthritis is a common form of osteoarthritis and occurs due to a physical injury. The injury can damage the cartilage or bone which in turn change the mechanics of the joint making it wear out quickly. Post traumatic arthritis causes about 12% of osteoarthritis in the joints, this means that it affects around 5.6 million people in the U.S.

Symptoms of post- traumatic arthritis include; joint pain, swelling, fluid accumulation in the joint, and decreased tolerance for walking, sports, stairs and other activities that place stress on the joint.

There are no proven treatments for post- traumatic arthritis. Most people start with weight loss and low impact exercise. Non- steroidal anti- inflammatory medications are used to help alleviate the pain. The joint can also be injected with a cortisone shot. All these just temporarily relieve pain. When the non-surgical treatments are no longer effective, surgery can help provide the long-lasting relief.

Causes of Post-Traumatic Arthritis

The knee joint may have been damaged in a sports injury, a car accident, in a combat-related injury, from an earlier joint surgery, or other physical impact. The bone and cartilage are impacted, altering the function of the joint and causing faster wear on the bone and cartilage.

Symptoms of Post-Traumatic Arthritis

The symptoms often develop after some type of trauma to the knee joint, and can include:

  • Ongoing joint pain
  • Swelling
  • Deformities such as bumps or lumps appearing at joint
  • Accumulation of fluid in the joint
  • Difficulty and pain experienced while walking, climbing stairs, in sports, or other demanding physical activities

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Treating Post-Traumatic Arthritis

There are several treatments available for post-traumatic arthritis, including physical therapy, the use of pain medications, and various types of injections. If you have already tried a range of treatments and still suffer pain and lack of mobility, you may require surgical intervention.

Unfortunately, joint degeneration from post-traumatic arthritis has no known cure. A person suffering from the condition, whether from a sports injury, accident, impact, or combat-related injury, has only a few options – most of which are focused on reducing pain and inflammation to maintain some level of mobility.

It may be impossible to get through a day without pain medication when the condition has advanced. Eventually, the only option left to the patient who wants to maintain mobility will be to undergo knee replacement surgery.

Traditional Knee Replacement Surgery vs Nanoknee

Traditional knee replacement surgery can be risky, as the surgeon evaluates the condition of the knee joint only after opening the knee area with incisions, after which he or she makes an approximation for a series of bone cuts. At Nanoknee, we take advantage of advanced digital technology to create an accurate 3D model of the patient’s actual knee joint, created from digital scans of the joint, to plan the surgery and implant placement, so nothing is left to chance.

Minimally Invasive Surgical Technique at Nanoknee: Walk Within Minutes of Surgery

We use an advanced, minimally invasive surgical technique with a fast-track recovery. You will be able to stand, with full weight-bearing capacity, on the repaired knee within 30 to 45 minutes after surgery. Rather than a long, painful, and difficult recovery, involving the use of crutches, a walker, or a cane, and an extensive rehabilitation, you will recover quickly,

Your rehabilitation will be performed at home with simple exercises, with digital monitoring of daily progress, and 24/7 access to our compassionate and committed staff. Nanoknee has revolutionized knee replacement surgery for those with post-traumatic arthritis or other form of knee joint degeneration, with Nanoknee clinics now located in Los Angeles, Bakersfield, and Pismo Beach.

The Nanoknee Difference: Fast Track Recovery from Partial or Full Knee Replacement

When surgery is your next step, it is important that you find out about Nanoknee.

This full or partial knee replacement surgery is an innovation that allows for a much faster recovery, and reduced risk of complications. The Nanoknee benefits include:

State-of-the-Art 3D Modeling

Every person has a unique physiology, and in planning surgery we use a 3D modeling system to determine implant size and orientation for superior results. Your implant will be customized to suit your body, rather than the less accurate traditional method of making incisions and a surgeon making an approximate guess about which implant will work best. We don’t use a guessing game, but create a surgical plan based upon your individual body.

Less Invasive

The Nanoknee procedure is less invasive and causes less trauma for a faster recovery.

Rapid Recovery

Our patients can walk on a knee that is capable of full weight-bearing only minutes after the surgery is completed. Only two or three hours after surgery, you can return home to rest, with no need (in most cases) for a hospital stay. You can return to most of your activities (while still avoiding high-impact sports for a period) within weeks – not suffering through months of painful recovery.

You are Back to Your Life in Just Days

Our patients typically can walk within 30 to 45 minutes after surgery, manage stairs unaided within a few days, and can enjoy low-impact exercise such as swimming, biking, and hiking within a few weeks -- and will not require physical therapy. While every person will vary in healing time, the Nanoknee procedure was developed to make the process of repairing a knee joint much less traumatic.

Less Need for Prescription Pain Medication

Our pain management protocol involves the use of long-acting local anesthetic and regional anesthesia, allowing our patients to reduce or avoid the need for any opioid-based medications. Many of those we treat can manage any lingering pain just with Tylenol – an advantage for patients who have sensitivity to these medications or prefer to avoid their use.

Arroyo Grande /
San Luis Obispo

860 Oak Park Blvd. Suite 101 Arroyo Grande, CA 93420

Tel : (805) 669-9471 Fax : (805) 481-5245

Los Angeles

23365 Hawthorne Blvd Suite 102 Torrance, CA 90505

Tel : (323) 947-2737 Fax : (805) 481-5245 Contact.


5060 California Ave Suite 620 Bakersfield, CA 93309

Tel : (805) 669-9471 Fax : (805) 481-5245

Amongst the most educated and highly-recommended knee specialists in Los Angeles.

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Individual results may vary

The content of this website is for information only, not advice or guarantee of outcome. No individual, including those under our care, should use the information contained in this website to self-diagnosis or self-treat any health related condition. Nanoknee gives no assurance or warranty regarding the accuracy, timeliness, or applicability of the content.

Practice Policy Update Regarding COVID-19 View Update

Out-patient Knee Surgery during the current Coronavirus Outbreak

Nanoknee and its Surgery Center Partners want to let our patients know what steps we are taking to help minimize exposure to COVID-19

Is it safe to undergo outpatient surgery during this outbreak?

Yes, in fact the surgery center is one of the safest places to be. All of the centers practice extreme hygiene, the staff use protective equipment (masks, gloves, gowns, etc), and we limit waiting room occupancy to allow for extreme social distancing.

Furthermore, we are actively screening all patients and family members prior to surgery. We are also reducing any unnecessary contact by limiting the waiting room to only a few family members at a time. The surgery centers employs the most up to date infection control practices, and the operating rooms are sterile environments.

Avoiding crowds and the hospital are important measures everyone should take. After surgery all patients get to recover in the comfort of their own home. We can arrange for a nurse to visit you at home to help with any additional care. We can coordinate the majority of your follow-up care remotely.

Should I reschedule my procedure?

We currently do not recommend rescheduling or postponing your procedure. Outpatient surgery is extremely safe, and the current COVID-19 outbreak has not changed our ability to provide the highest level of care. However, any patients that have developed recent respiratory symptoms or fevers will be asked to reschedule their procedures. Delaying your procedure now could potentially mean a significant delay in the future.

All procedures have time-limited authorizations. You could be required to undergo a new consultation with your surgeon, which would effectively move patients to the back of the line. We expect a glut of consults and surgeries following the end of the COVID-19 outbreak, and thus surgery dates could be significantly delayed. With most people encouraged to stay at home this is the optimal time for an outpatient surgery.

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