InDX, a new thumb implant from Galway-based medical devices start-up Loci Orthopaedics, has the potential to completely disrupt how painful thumb joint arthritis is treated, according to its founders Dr Brendan Boland and engineer Gerry Clarke.

“The thumb base joint is one of the most remarkably complex but beautifully elegant joints in the body, but when a problem develops, the current treatment options are not great,” Boland says. “Some surgeons take out a bone. Others fuse the joint. Joint implants similar to those used in hip arthritis are also used but they have an unacceptably high failure rate because of the complexity of the joint.

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