Hoʻohana ʻia ka X4 Knee implants no ka hoʻopau ʻana i nā hoʻopiʻi a ka mea maʻi e pili ana i nā hui kuli i hoʻopau ʻia i ka hana a i ʻole ka dimensionally deformed, ʻokoʻa i nā maʻi me ka emi ʻana o ka maikaʻi o ke ola ma muli o ka ʻeha e pili ana i ka arthrosis.ʻO nā prostheses hui kuli nā ʻāpana aʻe;nā ʻāpana femoral, nā mea hoʻokomo, nā ʻāpana tibial, nā kumu, nā pegs, nā nati, nā ʻāpana patellar.