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The knee surgery screw marketed as the "Calaxo Osteoconductive Interference Screw" was recalled in 2007 based on reports of troubling side effects associated with its use. (Each year in the U.S., about 100,000 people undergo ligament reconstruction knee surgery, and a screw or set of screws to hold the new ligament in place is one aspect of many such surgeries.)
The Calaxo knee surgery screw was introduced in the U.K. and the U.S. in 2006 as a bioresorbable, permanent screw made of a polymer/calcium carbonate material. It was used in repairs of the anterior cruciate ligament (ACL), a relatively easily torn knee ligament (especially among "baby boomers" and weekend athletes). When the ACL is irreparably damaged, one treatment option is the replacement of the ligament with another from the patient's body — or from a cadaver.
Metal was the original material for screws used to "anchor" a grafted ligament in knee surgery. Screws made of more natural materials have been introduced in various forms; the Calaxo screw is just one such product. The term "osteoconductive" in the Calaxo screw's name refers to its ability to help new bone form around the screw.
The Calaxo knee surgery screw stays in the body (it doesn't need to be removed). Some patients who received one or more Calaxo screws have developed serious Calaxo screw side effects requiring medical intervention, such as:
These complications, which were often observed weeks or months after the knee surgery, prompted a Calaxo screw recall of in 2007.
If you had ACL surgery in the U.S. in 2006 or 2007, it is possible that your knee surgery involved a screw such as the Calaxo screw. If you have any concerns about the outcome of your surgery, contact us today to speak with a Calaxo lawyer in your area that represents individuals who have been harmed by defective medical products, and get information about your legal options.
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