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In the middle\u2010aged patient, cartilage repair options have been shown to have greater failure rates. Total or unicompartmental knee arthroplasty also can be considered but may be undesirable for active patients because of the morbidity of the procedure as well as postoperative activity limitations. Focalplasty is a minimally invasive technique to treat focal chondral and osteochondral lesions of the knee with 3\u2010dimensional\u2212printed porous titanium implants that allow for bony ingrowth and immediate weight\u2010bearing. This technical note demonstrates implantation technique for both the tibial and femoral implants for application in focal tibiofemoral disease.<\/jats:p>\n <\/jats:sec>\n \n Technique Video<\/jats:title>\n \n \n \n video<\/jats:alt-text>\n <\/jats:graphic>\n <\/jats:boxed-text>\n <\/jats:p>\n \n See video under supplementary data.<\/jats:bold>\n <\/jats:p>\n <\/jats:sec>","DOI":"10.1016\/j.eats.2025.103723","type":"journal-article","created":{"date-parts":[[2025,7,2]],"date-time":"2025-07-02T03:45:41Z","timestamp":1751427941000},"update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":1,"title":["Knee Focalplasty for Partial Tibial or Femoral Resurfacing Using 3\u2010Dimensional\u2212Printed Titanium Implants"],"prefix":"10.1002","volume":"14","author":[{"given":"Josiah","family":"Valk","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery, Sports Medicine Scripps Clinic Medical Group La Jolla California U.S.A."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Clarence","family":"Cabatu","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Sports Medicine Scripps Clinic Medical Group La Jolla California U.S.A."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tim","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Sports Medicine Scripps Clinic Medical Group La Jolla California 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implants for focal cartilage lesions in the knee: Implant survivorship analysis up to seven years post\u2010implantation","volume":"38","author":"Ryd L","year":"2020","journal-title":"Surg Technol Int"},{"key":"e_1_2_3_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.otsm.2022.150965"},{"key":"e_1_2_3_15_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00402-021-04251-x"},{"key":"e_1_2_3_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.spinee.2018.02.018"},{"key":"e_1_2_3_17_1","doi-asserted-by":"publisher","DOI":"10.3390\/ma16103861"}],"container-title":["Arthroscopy 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