Key Takeaways
- Metal-on-metal hip implants can shed cobalt and chromium particles into surrounding tissue, causing a condition called metallosis that damages muscle, bone, and nerves.
- Patients who suffer metallosis or need revision surgery may have claims based on defective design, failure to warn, or a surgeon's failure to meet the standard of care.
- Evidence such as implant records, serial blood-metal tests, and imaging must be preserved quickly, because statutes of limitation can bar claims filed too late.
- Most injury claims are handled on a contingency-fee basis, meaning no attorney fees unless compensation is recovered.
A hip replacement is supposed to restore movement and reduce pain. For thousands of patients, it did the opposite. Metal-on-metal hip implants — devices where a cobalt-chromium ball rotates inside a cobalt-chromium cup — can grind against each other with every step, releasing microscopic metal particles into the body.
The result is metallosis: a toxic buildup of metal ions in the bloodstream and surrounding tissue. Patients may experience persistent pain, swelling, clicking, tissue death, and in serious cases, damage to the heart, thyroid, or nervous system. Many require a second operation, known as revision surgery, to remove and replace the failing implant.
When that happens, patients and their families deserve clear answers about their legal rights. This article explains how the law treats metal hip implant injuries, what evidence matters, and what steps to take next.
How Metallosis and Revision Surgery Give Rise to Legal Claims
Metal hip implant litigation generally falls into two categories: product liability claims against the manufacturer and medical negligence claims against a physician or hospital. Each has a different legal standard, and each requires different proof.
In a product liability claim, the injured patient must show that the device was defectively designed, defectively manufactured, or sold without adequate warnings about its risks. A manufacturer has a duty to design a reasonably safe product and to warn surgeons and patients about known dangers. When evidence shows the company knew about high failure rates or metal-ion shedding and failed to disclose that information, that failure can support a claim.
Medical negligence follows a different path. A physician owes every patient a duty to provide care that meets the accepted standard of care — the level of skill and judgment a reasonably competent surgeon in similar circumstances would exercise. If a surgeon implanted a metal-on-metal device without disclosing its known risks, failed to monitor metal ion levels, or delayed a necessary revision, that conduct may fall below the standard of care.
Informed consent is a related concept. Before surgery, patients are entitled to a meaningful discussion of the material risks and reasonable alternatives to a proposed procedure. If a surgeon recommended a metal-on-metal implant without mentioning the risks of metallosis or the availability of safer options, the consent process may have been inadequate.
Damages in these cases can include past and future medical expenses, lost wages, pain and suffering, loss of enjoyment of life, and in some cases, the cost of ongoing monitoring for metal toxicity. In cases involving a spouse or family member who provided care, loss of consortium damages may also apply.
One practical reality shapes these claims: revision surgery is often the strongest piece of evidence. A second operation confirms the implant failed, documents visible tissue damage, and produces a pathology report describing metal debris in the surrounding tissue. That record becomes central to proving both the injury and its cause.
What Injured Patients Should Do Before Filing a Claim
Time is the most important variable in a hip implant case. Every state has a statute of limitations — a deadline for filing suit. In injury cases, the clock typically starts when the patient knew or reasonably should have known about the injury. Because metallosis symptoms can appear years after implantation, patients should not assume a deadline has passed without checking.
Evidence preservation comes next. Implant identification cards, operative reports, pathology slides, and blood test results for cobalt and chromium are all critical. If a revision surgery is planned, the patient should ask the surgeon to preserve the removed device rather than discarding it. The explanted implant can be examined by independent experts and may reveal manufacturing or design defects.
Medical records should be requested in full, not summarized. That includes pre-operative notes, consent forms, imaging studies, and follow-up visits. A pattern of complaints about pain, clicking, or swelling that was not investigated can support a negligence claim.
Patients should also document their own experience. A written timeline of symptoms, limitations, and how daily life has changed creates a record that is difficult to dispute later. Family members who observed the decline can provide supporting statements.
Patients who received a metal-on-metal hip implant and later developed symptoms of metallosis should treat every medical appointment as an opportunity to document the problem — and every document as potential evidence.
Finally, patients should be cautious about signing releases or accepting settlement offers directly from a manufacturer without legal advice. Early offers often do not account for future revision surgeries, ongoing monitoring, or long-term complications.
- Request complete medical and implant records, including the device's model and lot number, operative notes, and any metal-ion blood test results.
- Ask the surgeon to preserve the explanted device if revision surgery is scheduled, and confirm that request in writing.
- Track symptoms and functional losses in a dated journal, noting pain levels, mobility limits, and effects on work and family life.
- Contact an attorney promptly to evaluate deadlines, preserve evidence, and determine whether a claim exists against a manufacturer, a physician, or both.
Most injury attorneys handle these cases on a contingency fee basis. That means the patient pays no upfront cost, and attorney fees are only collected if compensation is recovered. A editorial review can clarify whether a claim is viable and which parties may be responsible.
Frequently Asked Questions
Q: How long after a hip replacement can metallosis symptoms appear?
Symptoms can appear within a year or take many years to develop, depending on the device and the patient. Because the statute of limitations usually begins when the injury is discovered or should have been discovered, patients should not delay simply because the implant was placed long ago.
Q: Can a patient sue both the implant manufacturer and the surgeon?
Yes. Product liability claims against a manufacturer and medical negligence claims against a physician can proceed in the same case or separately. An attorney can evaluate the evidence against each party and determine which claims are strongest.
Q: What if the patient signed a consent form before surgery?
A signed consent form does not automatically eliminate a claim. The law requires that consent be informed, meaning the patient was told about material risks and reasonable alternatives. If key risks were omitted, the form may not protect the provider.
Q: Does a revision surgery guarantee a successful legal claim?
No. Revision surgery strengthens the evidence of injury, but a claim still requires proof that the device was defective or that care fell below the standard of care. An attorney can review the records and explain what must be established.
If you or a family member is dealing with an injury you suspect was caused by negligence, request a free, confidential case review through this site. A quick review can tell you where you stand and what your options are.
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