This is a multi-center, post-market, retrospective study to collect safety and performance data for patients implanted with the Fortilink IBF System.
The study will include up to 110 patients at up to 8 US sites. All patients implanted with the Fortilink System at a site will be included in the data collection. The goal is to collect data for at least 100 subjects, but the sample size will be capped at 110 to ensure that all patients at a given site are included in the analysis.
