Defective Hip Replacements: What Happened?

A defective hip replacement can have extremelyproperly.
detrimental consequences that range anywhere fromThis caused the shell to loosen and move causing a
permanent injury and additional surgeries to possiblebuild-up of scar tissue. In some cases, the result was
death. These types of injuries have extremefurther permanent bone loss. In most cases, within
emotionally damaging effects on the individual andsix months of surgery, patients began experiencing
the family. In many cases, they can also cause a lotthe following symptoms:
of financial stress and hardship.• Pain when rising from a seated position
Hip replacement surgeries are performed every day.• Pain in the groin and inner thigh
Unfortunately, it is not the procedure itself that is• Weight-bearing pain, particularly in the buttocks
creating problems and concerns for the patient. TheThe result of these defective implants is that the
quality of the prosthesis used in the procedure is thepatients not only had to undergo one tough surgery,
focus of concern.but now have to repeat the process and live with
The Defectirreversible damage that the defective device has
An artificial hip is made up of two parts. These piecescaused.
were created to duplicate the ball-and-socket design.It is estimated that nearly 310,000 Americans have
A metal ball with a stem fits into the thigh bonepartial or total hip replacement surgery each year.
(femur), and the socket is a titanium shell lined withMost operations are performed to relieve the pain of
polyethylene that fits against the pelvic bone. Thearthritis. The cost of this surgery runs between
titanium was designed to be porous so it will fuse to$20,000 and $50,000. Hip replacement surgery is
the bone.believed to become even more common as the
After eight weeks of investigation in December ofpopulation ages.
2000, Sulzer Orthopedics determined that thePatients who have undergone hip replacement
titanium shell of its hip replacement product wassurgery are encouraged to schedule an appointment
defective. The result was that 17,500 shells werewith their physician to determine if their orthopedic
recalled. Ninety percent of them had been implantedimplant is one of the models recalled. Surgical steps
in U.S. patients. Sulzer controls approximately 11% ofcan be taken to fix the problem, but the longer the
the hip replacement market. In the products whereproblem is left untreated, the worse the outcome
the shell is cemented to the pelvic bone, the partsmay be. Physicians can thoroughly assess the
were not found to be defective.situation to determine if any damage has occurred
The problem was traced to four mineral-based oilsdue to a faulty implant. In some cases, compensation
used in the lubricants during the manufacturingmay be available.
process. These oils were not intended to have anySulzer is not the only manufacturer of defective hip
contact with the human body. The problem involvedreplacement products. Before considering any type of
leaking oil that had seeped into the porous titanium.hip replacement surgery, conduct some research on
After the patient’s implant surgery, the oilyour own.
prevented the shell and pelvic bone from bonding