Home page news | 合法醫療器材資訊網

An innovative hip stem developed in Exeter 50 years ago today has now been implanted in more than two million patients across the globe.

The Exeter hip stem was developed in a collaboration between NHS surgeon Professor Robin Ling and University of Exeter engineer Dr Clive Lee, and is globally manufactured by Stryker. Their ground-breaking design overcame a problem of previous hip implants – that they eventually became slightly loose, requiring further surgery.

Previous prosthetic hips had been designed with the idea that the implant should remain rigidly fixed to the acrylic bone cement in which it is implanted.

Ling and Lee’s design was revolutionary. Unlike previous prosthetic hip stems, the Exeter design did not have a collar between the neck and the stem of the implant. This allowed the stem to subside slightly into the acrylic, self-tightening as it di...