Cormet Hip Resurfacing

No one knows better than you do – hip pain is personal…

Not only is your body different from anyone else's, so is the way you hurt. How your chronic hip pain affects you is unique to you and the way you live your life.

Today, Stryker offers you and your doctor Personalized Hip Solutions, one of the most extensive, most technologically advanced, and customizable portfolio of products to help get you and your hip functioning again. Personalized Hip Solutions are designed to take into account every aspect of your lifestyle, your pain, your loss of function, your anatomy, your age, your gender and your health.

Out of all the options available, Cormet Hip Resurfacing, a solution that preserves more of your natural bone,may be a better fit for someone with your youthful spirit and more active lifestyle. After reading the following information about Cormet Hip Resurfacing, be sure to talk with your doctor if you have any other questions or concerns when it comes to this, or any other treatment option.

Cormet Hip Resurfacing – everything you need, and nothing you don’t.

Arthritis pain is debilitating for the active patient.Work and play put demands on a painful hip that can take you out of the game. Hip resurfacing may be an attractive option for your active lifestyle! It helps recreate the natural feel of a normal hip while also being bone conserving – meaning more of your healthy bone is kept intact.

First and foremost, your doctor wants to alleviate your pain, but he also has other objectives when addressing your hip. Decades of implant experience have taught us that the better the fit and the more closely a hip solution matches your natural anatomy, the better it will function. With hip resurfacing, doctors are able to help their patients by resurfacing, rather than totally replacing, the most damaged areas of the hip joint – capping the head of the femur (thighbone) and lining the inside of the hip socket – keeping more healthy bone intact.

Potential Benefits of Hip Resurfacing

Cormet Hip Resurfacing has several potential benefits:

The head of the femur (thighbone) is large like your natural femoral head, potentially reducing the risk of dislocation. Dislocation of the ball head from the socket is less common with the Cormet device than with total hip replacement devices.¹ This may mean that you can get back to the sports and activities you loved before your surgery.²
The cobalt chromium metal cup and head cap are highly durable.^{3, 5} Themetal-metal bearing surface has favorable wear characteristics, so it may allow for a longer lasting implant.³
Because of the larger size of the femoral head, a resurfaced hip functions more like a normal hip than traditional total hip replacement.⁴
And, what’s more, should a total hip replacement (revision) become necessary later in life, resurfacing leaves more natural bone in place. Future revision may also be easier because the remaining bone is not as compromised – the head of the femur is left in place, and a metal stem is not inserted into the femur as with traditional total hip replacement.

You want to keep pushing, but hip pain has put you on the bench. Resurfacing may be just the ticket to get you back in the game.With its proven clinical experience,¹ Cormet Hip Resurfacing has generated much interest from surgeons and patients alike. The combination of bone-conserving technology and highly polished cobalt chromium metal resurfacing components means a better fit, excellent wear ^{3, 5} and more natural performance. Cormet Hip Resurfacing can help you keep living life to the fullest for many years to come. So what are you waiting for? Get back out there!

Hip Anatomy

Meet your hip – how does it work and why does it hurt?

Your hip is one of the main weight-bearing joints in your body. It's a ball-and-socket joint where the femur meets the pelvis, and consists of two main parts:

A ball (femoral head) at the top of your thighbone (femur)
A rounded socket (acetabulum) in your pelvis

Ligaments, which are bands of tissue, connect the ball to the socket and help keep the ball and socket steady. A smooth, tough material called articular cartilage, which cushions the bones and lets them move easily, covers the surfaces of the ball and socket. Normal cartilage allows nearly frictionless movement. The rest of the surfaces of the joint are covered by a thin, smooth tissue lining called the synovium. The synovium produces fluid that acts as a lubricant to reduce friction and wear in the joint.

Common Causes of Hip Pain

Osteoarthritis (OA)

Sometimes called degenerative arthritis because it is a “wearing out” condition involving the breakdown of cartilage and bones. With osteoarthritis, the cushioning cartilage at the end of the femur may have worn down, making walking painful as bone rubs against bone.

Rheumatoid Arthritis (RA)

Causes the synovium to become thickened and inflamed. In turn, too much synovial fluid is produced within the joint space, which causes a chronic inflammation that damages the cartilage. This results in cartilage loss, pain, and stiffness.

Post-traumatic Arthritis

May develop after an injury to the joint in which the bone and cartilage do not heal properly. The joint is no longer smooth and these irregularities lead to more wear on the joint.

Avascular Necrosis (AVN)

Results when bone is deprived of its normal blood supply. Without proper nutrition from the blood, the bone's structure weakens and may collapse and damage the cartilage.

Paget's Disease

A bone disease that often affects the hip. Bone formation is sped up, causing the density and shape of the bone to change.

For Hip Resurfacing indications, contraindications and risk information, see the Cormet Patient Labeling.

This material is intended for US distribution only.

Cormet Hip Resurfacing System is manufactured by Corin.
Distributed exclusively by Stryker Orthopaedics in the USA.

Cormet is a registered trademark of Corin PLC.

References:

1. PMA P050016, Summary of Safety and Effectiveness.
2. Healy, WL, Athletic Activity After Total Joint Arthroplasty, JBJS, Vol 90, Number 10, October, 2008.
3. Nevelos, J, Shelton, JC, Fisher, J, Metallurgical Considerations in the Wear of Metal-on-Metal Hip Bearings, Hip International, Vol. 14, No. 1, 2004, pp. 1-10.
4. Mont, Michael A., Gait Analysis of Patients with Resurfacing Hip Arthroplasty compared with Hip Osteoarthritis and Standard Total Hip Arthroplasty, JOA, Vol. 22, No. 1, 2007.
5. Angadji, A. et al., A Hip Simulator Study on the Effect of Cup Inclination on the Wear of “As Cast” and “Double Heat-Treated” Metal-on-Metal Hip Replacements, ORS Poster, 2008.

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