Zimmer Durom Cup Hip Recall

Zimmer Hip Lawsuits have been filed by The Johnson Law Firm (JLF) in multiple federal courts throughout the country for clients from numerous states.  JLF has filed a number of Zimmer Durom Cup lawsuits in federal courts.  JLF’s experience in representing clients with defective hip cups that failed to bond properly and required patients to undergo revisions dates back to 2001.

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Latest News

07/24/2015: Jury Awards $9.2 Million to Patient

LOS ANGELES –– A jury in Los Angeles, Ca. has reached a verdict and awarded $9.2 million dollars to a patient who received a hip implant manufactured by Zimmer, Inc.

After a three week trial the jurors deliberated only a few hours before reaching a verdict on July 24, finding that the Durom Cup hip replacement device was negligently designed by Zimmer and that Zimmer failed to warn of the danger. The jury placed 100 percent of the liability on Zimmer.

Los Angeles Superior Court Judge Amy Hogue denied plaintiff’s request to submit punitive damages to the jury. The jury awarded $6.4 million for future non-economic damages; $2.6 million for past non-economic damages; and $153,000 for medical bills.

The Zimmer Durom Cup hip implant was implanted in about 13,000 patients before its withdrawal from the U.S. market in 2008.

“Adequate testing of this device by the manufacturer would have revealed the defects with the device and saved many of these patients from revision surgeries, complications and pain,” according to Johnson Law Firm attorney Steven Johnson. “We have clients from across the United States who suffered complications after being implanted with this defective Zimmer Durom Hip Implant device. Our client showed great courage and determination to stand up against this medical device giant and get his day in court.”

12/11/2014: First Trial

The first bellwether trial over the Durom Cup hip replacement, manufactured by Zimmer Holdings Inc., was a win for the company after an Illinois jury ruled unanimously for Zimmer. The verdict was not surprising as Zimmer was allowed to hand pick the case from a large group of cases. Zimmer chose the case that was the most defensable among all of the cases as the plainitff had an infection that Zimmer argued necessitated the removal of the device regardless of whether the device was defective or not.

7/29/2010: Letter to Zimmer

The United States Senate Committee on Finance sends a letter to Zimmer President and CEO – Click here to download the letter in PDF format . The Senators expressed concerns about patient safety in their letter to the President of Zimmer, noting that according to the New York Times Dr. Lawrence Dorr alerted other doctors that Zimmer’s Durom hip device was failing a few years after they were implanted in patients, and according to The New York Times, Zimmer responded that it was the surgeons’ technique, not the devices that were flawed.

Zimmer Durom Cup

The Zimmer Durom Cup has been marketed in the United States since 2006. Approximately 12,500 patients have been implanted with the device. The Durom Cup is primarily used in the United States in Total Hip Arthroplasty (THA) surgeries and has been used abroad for hip resurfacings.

Zimmer Durom Recall

Sales of the Zimmer Durom Cup were suspended by Zimmer in July 2008 after reports that the cup was defective and failed to bond in many patients which required the patients to undergo painful revision surgeries.

Zimmer Durom Cup Warning by Preeminent Hip Surgeon

The Zimmer hip recall was prompted after defects of the Zimmer Durom Cup Hip Replacement were brought to light to the medical profession on April 22, 2008, by Dr. Larry Dorr. Many of Dr. Dorr’s patients who were implanted with the Zimmer Hip required hip revision surgery due to the Zimmer Durom Cup failing to bond properly. Dr. Dorr wrote a letter (see below) to his colleagues at the American Association of Hip and Knee Surgeons warning of the failures and defects associated with Zimmer’s Durom hip cup after notifying Zimmer of the problems with the Zimmer Hip.

Durom Cup Patient Profile

Symptoms of Loose Cup Requiring Revision Surgery

Patients and doctors can now reference the Clinical Profile of Patients with a Loose Durom Cup, by Dr. Dorr (see below) to determine the symptoms exhibited by patients (including normal x-rays and good positioning) prior to revision surgery that revealed the failure of the cup to bond.

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Notice to Orthopedic Surgeons of Zimmer Durom Cup Failures:

DATE:

4/22/08

TO:

American Association of Hip and Knee Surgeons

FROM:

Larry Dorr, M.D.

RE:

This NOTICE is to inform you that we have had ten revisions in 165 hips and have four more that need to be revised using the Durom cup (Zimmer, Inc).

This failure rate has occurred within the first two years. In the first year the x-rays looked perfect. We have revised four that did not have any radiolucent lines or migration (and John Moreland revised one). These early cups fooled us, but the symptoms were so classic for a loose implant that we operated the patients. When we hit on the edge of the cup it would just pop free. As time goes by the cups begin developing radiolucent lines. We now have one cup at two years that has actually migrated a short distance. It has tilted into varus. We do not believe the fixation surface is good on these cups. Also there is a circular cutting surface on the periphery of the cup that we believe prevents the cup from fully seatingWe stopped using the cup after the first revisions.

We have notified Zimmer. The FDA has been notified and we will notify them of our continued revisions. The company does not believe it should pull the cup from the market so I am notifying all of my colleagues of our failure rate with this cup. I went through a similar scenario with the Sulzer cup failures where I was the only one experiencing revisions at the beginning and basically it was assumed that it was our technique. I can assure you that this goes beyond technique. I learned my lesson in not informing everyone about this magnitude of failures with the Sulzer cup problem, so it is my obligation to do so with this cup.

Dr. Dorr is a world renown orthopedic surgeon and Director of the Dorr Institute for Arthritis Research and Education.

Got Zimmer Durom Cup Hip Replacement Surgery?

If you or a loved one has been implanted with a Zimmer Durom Cup Hip Replacement then please call our office toll free now at 1-866-374-0338 to discuss your legal options with one of our Zimmer hip lawyers

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Durom Cup Patient Profile of Symptoms and Revision

Clinical Profile of Patients with a Loose Durom Cup

– Lawrence D. Dorr, M.D.

General Comments:

These patients often come in and will say that they are not any better then they were before the operation. Most of them do have some improvement in pain relief at rest, but they cannot function doing the activities that they want to do and therefore they have not achieved their goals for their operation, and are unhappy with their result for that reason. That is why they express that they are not better.

Clinical Symptoms:

The two recurring complaints are startup pain and stiffness which means they will hurt or limp badly for 10-20 steps when they first arise from a chair, or out of a car, or similar activities. This is usually similar to the preoperative situation. Patients with a good cup will have startup pain and stiffness for 2-3 steps for as long as three months. The difference in startup pain and stiffness is both in intensity and duration. Secondly, they limp. They do not have a smooth gait and they have a classic antalgic hip limp as they walk down the hall of the office. Sometimes they don’t think they limp, but they do limp. A third symptom is that when they move from a bent position to an upright position they get a sharp pain in the groin that is transient, but it is so painful for them that they will avoid that activity because they do not want to experience it. The fourth symptom is difficultly in doing stairs, usually coming down stairs is difficult for them. The fifth symptom is that they can’t walk with any endurance. They sometimes say that they can walk 100 yards, and that is all, before they have to stop. Lastly, many of them have to use a cane for their outdoor ambulation.
Some patients have what they consider just healing symptoms in the first few months that seem to nag on and on. Then their symptoms begin to get worse and worse. As their symptoms get worse their x-ray usually shows more prominent radiolucent lines. These patients get reoperated between 18 months and two years. Clearly their cups were held by the pressfit during the first few months and when that worked free there was no longer any fixation.

Radiographic symptoms:

The reason that we initially had trouble identifying the fact that these cups were loose in 2006 was that the x-rays during the first six months can look normal. The position of the cup can be considered ideal and no radiolucent lines can be present. The patients can be having the clinical symptoms listed above. When these cups are operated they are loose even without radiographic findings.
For patients who have progressive symptoms there are almost always progressive radiolucent lines. One characteristic feature of the failure of these cups, that differs from the Sulzer Interop cup, is that there is no migration that we have seen to date. Of course the finding with no radiolucent lines is also a different radiographic finding. We think that the pressfit, which ironically keeps the cup from getting fixation, does also help prevent it from migrating which does save bone.

Revision:

At the time of revision the cup can be hit on the inferior medial edge with a bone tamp and sometimes with 1 or 2 blows, and sometimes with 4 or 5 blows the cup will pop free. It can then be lifted out with a clamp. The acetabular bone is almost always in good condition with a very thin membrane behind the cup. The membrane is not thick as it was behind the Interop cup. The capsule also does not appear to be inflammatory. The revisions that we performed have all been done with trabecular metal cups and those have performed well in all of the patients to date. We would recommend that the trabecular metal cup be used for these revisions. We have not had to use screws with the trabecular cup because the bone is in such good condition that a good initial fixation can be achieved.

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