Evaluation of the PHENO4U Data Platform in Patients Undergoing Total Knee Arthroplasty

Inclusion Criteria: * Patient undergoing a total knee arthroplasty with a B. Braun knee implant system * Signed written informed consent * Patient's willingness \& ability to use the "BPMpathway"sensor * Patient's willingness \& ability to use the "4Patient" application Exclusion Criteria: * Patient age \< 18 years * Patient not willing to participate at the further follow-up * Pregnancy * If intraoperatively an implant from a different manufacturer is used, the study patient has to be excluded from the study.