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Full Article here: Thousands of patients could have unapproved ‘mix match’ metal on metal hips say lawyers – Telegraph.

Thousands of patients could have unapproved ‘mix match’ metal on metal hips say lawyers

By Rebecca Smith, Medical Editor5:02PM BST 05 Oct 2014 Comments3 Comments

Ten patients have been identified whose hip implants had to be removed after less than five years as their mix and match joints broke down

Thousands of patients could unknowingly have metal hip implants made from components from different manufacturers that can cause serious disabilities and early failure, it has been warned.

Metal on metal hip replacement joints are used in relatively young and active people whose own hip joints have broken down due to arthritis or injury.

Some makes have been recalled or have fallen out of favour after it emerged they were more likely to fail and need replacing within just a few years instead of the usual 15 to 20 year life span.

However now lawyers have discovered that surgeons are ‘mixing and matching’ component parts from different manufacturers into one hip joint. The parts may not fit together properly resulting damage to the bone and extra wear meaning metal debris can break off and enter the blood stream.

Ten patients have been identified whose hip implants had to be removed after less than five years as their mix and match joints broke down. Most patients do not know what kind of hip implant they have, lawyers said.

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