Only 19% of the expected patients have been enroled. Patient's follow-up has not been realized as expected in the protocol

As part of Medical Devices CE marking regulatory process, an appropriate post-market clinical follow-up (PMCF) is required. This PMCF study is in the framework of CE mark renew of FHK® total knee prosthesis, it aims to answer specific questions related to safety and performance of the device, when used in accordance with the approved instructions for use.

This study is based on a quality of life self-assessment from the preoperative to postoperative phases and up to two years of follow-up.

The primary objective of this study is to evaluate the quality of life in patients operated with a FHK® total knee prosthesis up to 2 years of follow-up.

The secondary objectives are to evaluate the security and performance of the devices by gathering complications, revision rate of the devices (survival analysis) and functional score up to 2 years of follow-up.

Inclusion Criteria:

• Subject implanted with FHK® prosthesis in one of the following indication according to the instructions for use: knee disorders; Aseptic condylar necrosis.
• Subject who received an information form and is willing to participate in the study.
• Adults subjects (≥18 years old).
• Access to an internet connection allowing to complete the questionnaires on the online platform

Exclusion Criteria:

• Contraindications described in the instructions for use
• Subject who is not able to express his/her non-opposition

Patients from participating hospitals will be enrolled as part of their clinical routine care