Nickel Poisoning from Essure?

“The FDA is also increasing its scrutiny of nitinol. Last August, a law firm in Australia launched a class action lawsuit on behalf of patients alleging that their Essure implants corroded and caused them to suffer nickel poisoning.” (https://www.icij.org/investigations/implant-files/us-to-investigate-health-impact-of-nickel-silicone-in-medical-implants/).