{"id":1211,"date":"2026-10-21T02:27:49","date_gmt":"2026-10-20T18:27:49","guid":{"rendered":"https:\/\/orthojiunliang.tw\/?post_type=news&#038;p=1211"},"modified":"2026-10-21T02:27:49","modified_gmt":"2026-10-20T18:27:49","slug":"knee-implant-selection-guide","status":"publish","type":"news","link":"https:\/\/orthojiunliang.tw\/en\/news\/knee-implant-selection-guide\/","title":{"rendered":"Choosing a Knee Implant: Arthritis Pattern, Ligaments and Design"},"content":{"rendered":"\n<style>body:has(.jl-news-header) .elementor-location-header{display:none!important} .jl-news .jl-news-header{max-width:1440px;margin:0 auto;padding:24px 4.7% 0;background:#fff} .jl-news .jl-nav{display:flex;align-items:center;justify-content:space-between;gap:22px;background:#fff;border:1px solid #dce4eb;border-radius:50px;padding:14px 25px;position:relative;z-index:3;color:#435766} .jl-news .jl-logo{display:block;position:relative;flex:0 0 188px;height:44px} .jl-news .jl-logo img{position:absolute;left:0;top:0;width:142px;height:44px;max-width:none;clip-path:inset(0 69% 0 0)} .jl-news .jl-logo::before{content:\"\u9673\u4fca\u826f\u91ab\u5e2b\";position:absolute;left:54px;top:0;font-size:20px;line-height:1.4;letter-spacing:.06em;font-weight:600;color:#102d49} .jl-news .jl-logo::after{content:\"CHEN JIUN LIANG\";position:absolute;left:54px;bottom:0;font-family:Arial,sans-serif;font-size:11px;line-height:1.4;letter-spacing:.06em;color:#4c687e;white-space:nowrap} .jl-news .jl-navlinks{display:flex;gap:22px;align-items:center;font-size:14px;white-space:nowrap} .jl-news .jl-navlinks a{min-height:44px;display:flex;align-items:center} .jl-news .jl-navlinks a[aria-current]{color:#327a98;font-weight:600} .jl-news .jt-intro{padding-top:48px} @media(max-width:820px){.jl-news .jl-nav{padding:12px 20px;gap:14px}.jl-news .jl-navlinks{gap:13px;font-size:12px}} @media(max-width:620px){.jl-news .jl-news-header{padding:16px 20px 0}.jl-news .jl-nav{border-radius:16px;flex-wrap:wrap;justify-content:center;gap:9px;padding:14px 10px 10px}.jl-news .jl-navlinks{width:100%;gap:0;justify-content:space-around;white-space:normal;text-align:center;font-size:11px}.jl-news .jl-navlinks a{padding:6px 3px;min-height:44px;display:flex;align-items:center;justify-content:center}.jl-news .jt-intro{padding-top:36px}} @media(max-width:355px){.jl-news .jl-news-header{padding-left:14px;padding-right:14px}}   .jl-news{font-family:\"PingFang TC\",Arial,sans-serif}.jl-news a{color:inherit;text-decoration:none} .jl-education{color:#12304b;background:#fff;font:17px\/1.9 \"PingFang TC\",\"Noto Sans TC\",Arial,sans-serif} .jl-education *{box-sizing:border-box}.jl-education a{color:#286984;text-underline-offset:4px}.jl-education a:focus-visible{outline:3px solid #347e9b;outline-offset:4px} .jl-education h1,.jl-education h2,.jl-education h3{font-family:inherit;color:#12304b;line-height:1.5;letter-spacing:.02em}.jl-education p{margin:0 0 20px} .je-wrap{max-width:1120px;width:calc(100% - 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40px)}.je-hero{padding:30px 0 25px}.je-hero h1{font-size:29px}.je-intro{font-size:17px;padding-top:25px}.je-section{grid-template-columns:1fr;gap:22px;padding:28px 0}.je-section h2{font-size:23px}.je-figure{padding:18px}.je-closing{padding:20px}.je-cta{gap:12px}.je-cta a{width:100%}.je-byline{font-size:12px}}  .je-benefits{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin:0 0 30px}.je-benefit{padding:18px;border:1px solid #d6e2eb;border-radius:10px;font-size:15px;line-height:1.7}.je-benefit b{display:block;font-size:11px;color:#47829c;letter-spacing:.15em;margin-bottom:8px}.je-figure img{display:block;width:100%;height:auto;border-radius:8px}.je-nodes{counter-reset:steps}.je-node:before{counter-increment:steps;content:counter(steps,decimal-leading-zero);display:block;font-size:11px;letter-spacing:.13em;color:#4384a1;margin-bottom:5px}.je-graph-path .je-node:first-child:before,.je-graph-compare .je-node:first-child:before{color:#c0dce8}.je-questions{padding:24px;border:1px solid #d6e2eb;border-radius:12px;margin:28px 0}.je-questions h2{font-size:23px;margin:0 0 12px}.je-questions ul{margin:0;padding-left:22px}.je-alert{padding:24px;border-left:3px solid #a87339;background:#fffbf5;margin:28px 0}.je-alert h2{font-size:22px;margin:0 0 12px}.je-alert p{margin-bottom:10px}.je-intro-cites{margin-bottom:24px}.je-parts{display:grid;grid-template-columns:100px 1fr;gap:16px;align-items:center}.je-part-labels{display:grid;gap:12px}.je-part-labels span{padding:9px 12px;border-bottom:1px solid #b9cddc;line-height:1.5}.je-part-labels b{color:#4a8099;font-size:12px;margin-right:6px}.je-parts svg{max-height:310px}.je-lifecycle{display:flex;gap:10px;align-items:center}.je-lifecycle span{background:#e4eef4;border:1px solid #bed1de;border-radius:50%;width:70px;height:70px;display:flex;align-items:center;justify-content:center;font-size:34px;color:#3a718c}.je-lifecycle{justify-content:center;margin:5px 0 20px} @media(max-width:700px){.je-benefits{grid-template-columns:1fr;gap:10px}.je-benefit{padding:13px 16px}.je-benefit b{display:inline;margin-right:12px}.je-parts{grid-template-columns:85px 1fr}.je-questions,.je-alert{padding:20px}.je-section{gap:18px}.je-intro{line-height:1.8}.je-figure h3{line-height:1.5}} <\/style><div class=\"jl-news\" data-no-translation><header class=\"jl-news-header\"><nav class=\"jl-nav\" aria-label=\"\u7db2\u7ad9\u5c0e\u89bd\">\n        <a class=\"jl-logo\" aria-label=\"\u9673\u4fca\u826f\u91ab\u5e2b CHEN JIUN LIANG\" href=\"https:\/\/orthojiunliang.tw\/en\/\"><img src=\"https:\/\/orthojiunliang.tw\/wp-content\/uploads\/Frame-1171277234-300x93-1.png\" decoding=\"async\" loading=\"eager\" alt=\"\u9673\u4fca\u826f\u91ab\u5e2b CHEN JIUN LIANG\" width=\"300\" height=\"93\"><\/a>\n        <div class=\"jl-navlinks\">\n          <a href=\"https:\/\/orthojiunliang.tw\/en\/\">Home<\/a>\n          <a href=\"https:\/\/orthojiunliang.tw\/en\/about\/\">Dr. Chen<\/a>\n          <a href=\"https:\/\/orthojiunliang.tw\/en\/services\/\">Treatments<\/a>\n          <a href=\"https:\/\/orthojiunliang.tw\/en\/news\/\" aria-current=\"page\">News<\/a>\n          <a href=\"https:\/\/orthojiunliang.tw\/en\/faq\/\">FAQs<\/a>\n        <\/div>\n      <\/nav><\/header><\/div><div class=\"jl-education\" data-no-translation><article class=\"je-wrap\"><header class=\"je-hero\"><a class=\"je-back\" href=\"https:\/\/orthojiunliang.tw\/en\/news\/#patient-education\">\u2190 Back to patient education<\/a><p class=\"je-eye\">Knee health \u00b7 JOINT HEALTH JOURNAL<\/p><h1>Choosing a Knee Implant: Arthritis Pattern, Ligaments and Design<\/h1><div class=\"je-byline\">Dr. Chen Jiun Liang website \u00b7 Patient education \u00b7 Updated 21 October 2026<\/div><\/header><p class=\"je-intro\">First decide how much of the knee needs resurfacing; then discuss the implant design. Arthritis distribution, ligament function, bone quality and everyday goals are more useful than a brand, price or \u201chigh-flexion\u201d label alone.<\/p><div class=\"je-benefits\"><div class=\"je-benefit\"><b>01<\/b>Aim for less joint pain and better everyday function<\/div><div class=\"je-benefit\"><b>02<\/b>Match partial or total replacement to the damage<\/div><div class=\"je-benefit\"><b>03<\/b>Match design and fixation to ligaments and bone<\/div><\/div><section class=\"je-section\"><div><h2>Partial versus total describes the treated area<\/h2><p>Partial replacement addresses a limited compartment and requires suitable remaining joint surfaces and ligaments. More widespread damage may call for total replacement. This is a treatment-scope decision, not simply an implant upgrade. HTO is a different option that preserves surfaces by changing alignment.<\/p><div class=\"je-cites\"><a href=\"https:\/\/www.orthoinfo.org\/treatment\/knee-replacement-implants\/\" target=\"_blank\" rel=\"noopener\">AAOS\uff5cKnee Replacement Implants<\/a><a href=\"https:\/\/hipkneeinfo.org\/knee-care\/total-knee-replacement\/\" target=\"_blank\" rel=\"noopener\">AAHKS\uff5cTotal Knee Replacement<\/a><\/div><\/div><figure class=\"je-figure\"><small>ILLUSTRATION 01<\/small><h3>Start with the treatment scope<\/h3><div class=\"je-graph je-graph-compare\" role=\"img\" aria-label=\"Start with the treatment scope: Localized wear: assess partial; Widespread wear: assess total; Correctable loading: assess HTO\"><div class=\"je-nodes\"><div class=\"je-node\">Localized wear: assess partial<\/div><div class=\"je-node\">Widespread wear: assess total<\/div><div class=\"je-node\">Correctable loading: assess HTO<\/div><\/div><\/div><figcaption>Each option has selection criteria; pain location alone is not enough.<\/figcaption><\/figure><\/section><section class=\"je-section\"><div><h2>What makes up a knee implant?<\/h2><p>Typical components include a femoral surface, tibial tray and polyethylene insert. Patellar resurfacing is considered separately. Bearing materials and insert design matter, but a special material does not guarantee a better result for everyone. Tell your surgeon about metal allergy or previous implant problems.<\/p><div class=\"je-cites\"><a href=\"https:\/\/www.orthoinfo.org\/treatment\/knee-replacement-implants\/\" target=\"_blank\" rel=\"noopener\">AAOS\uff5cKnee Replacement Implants<\/a><a href=\"https:\/\/hipkneeinfo.org\/wp-content\/uploads\/2024\/03\/What-Are-Hip-and-Knee-Replacements-Made-Of.pdf\" target=\"_blank\" rel=\"noopener\">AAHKS\uff5cHip and Knee Implant Materials<\/a><\/div><\/div><figure class=\"je-figure\"><small>ILLUSTRATION 02<\/small><h3>Main knee implant components<\/h3><div class=\"je-parts\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 120 310\" role=\"img\" aria-label=\"Main knee implant components\"><g font-family=\"Arial,sans-serif\" font-size=\"16\" fill=\"#12304b\"><path d=\"M34 30 L34 82 Q22 99 28 119 Q39 137 57 119 Q75 140 92 121 Q104 102 88 83 L88 30\" fill=\"#d5dfe5\" stroke=\"#43677c\" stroke-width=\"3\"\/><path d=\"M25 152 Q60 169 96 152 L96 174 L25 174 Z\" fill=\"#a0ccdb\" stroke=\"#43677c\" stroke-width=\"3\"\/><path d=\"M24 194 L96 194 L96 209 L71 209 L67 279 L52 279 L48 209 L24 209 Z\" fill=\"#789aaa\" stroke=\"#43677c\" stroke-width=\"3\"\/><text x=\"5\" y=\"96\">1<\/text><text x=\"5\" y=\"168\">2<\/text><text x=\"5\" y=\"213\">3<\/text><\/g><\/svg><div class=\"je-part-labels\"><span><b>01<\/b>Femoral component<\/span><span><b>02<\/b>Polyethylene insert<\/span><span><b>03<\/b>Tibial tray<\/span><span><b>04<\/b>Patella assessed separately<\/span><\/div><\/div><figcaption>Simplified components; actual shape, size and material vary by system.<\/figcaption><\/figure><\/section><section class=\"je-section\"><div><h2>Ligaments, fixation and evidence guide design<\/h2><p>CR designs retain the posterior cruciate ligament; PS designs substitute for part of its stabilizing role. Neither name alone establishes superiority. Bone quality also informs cemented or cementless fixation. Ask why a design is recommended, what follow-up evidence supports it, and how coverage and costs apply. Robotic assistance is a surgical tool, not an implant grade.<\/p><div class=\"je-cites\"><a href=\"https:\/\/www.orthoinfo.org\/treatment\/knee-replacement-implants\/\" target=\"_blank\" rel=\"noopener\">AAOS\uff5cKnee Replacement Implants<\/a><a href=\"https:\/\/hipkneeinfo.org\/knee-care\/total-knee-replacement\/\" target=\"_blank\" rel=\"noopener\">AAHKS\uff5cTotal Knee Replacement<\/a><a href=\"https:\/\/www.hipkneeinfo.org\/knee-care\/what-is-computer-assisted-knee-surgery\/\" target=\"_blank\" rel=\"noopener\">AAHKS\uff5cComputer-Assisted Knee Surgery<\/a><a href=\"https:\/\/www.nhi.gov.tw\/ch\/cp-7310-a42db-2530-1.html\" target=\"_blank\" rel=\"noopener\">\u5065\u4fdd\u7f72\uff5c\u81ea\u4ed8\u5dee\u984d\u7279\u6750\u8aaa\u660e<\/a><\/div><\/div><figure class=\"je-figure\"><small>ILLUSTRATION 03<\/small><h3>Four implant-selection checkpoints<\/h3><div class=\"je-graph je-graph-path\" role=\"img\" aria-label=\"Four implant-selection checkpoints: Ligaments and stability; Bone and fixation; Clinical track record; Suitability and itemized costs\"><div class=\"je-nodes\"><div class=\"je-node\">Ligaments and stability<\/div><div class=\"je-node\">Bone and fixation<\/div><div class=\"je-node\">Clinical track record<\/div><div class=\"je-node\">Suitability and itemized costs<\/div><\/div><\/div><figcaption>Discuss your needs, the surgeon\u2019s experience and device evidence together.<\/figcaption><\/figure><\/section><div class=\"je-questions\"><h2>Three questions for your appointment<\/h2><ul><li>Why is partial or total replacement suitable for me?<\/li><li>How do my ligaments and bone influence design?<\/li><li>What are the evidence, covered alternatives and personal cost?<\/li><\/ul><\/div><p class=\"je-closing\">The goal is pain relief and useful everyday function. Implant selection works together with planning, soft-tissue balance and rehabilitation\u2014not a product name alone.<\/p><div class=\"je-cta\"><strong>Discuss your next step<\/strong><a href=\"https:\/\/orthojiunliang.tw\/en\/services\/\u5fae\u5275\u4eba\u5de5\u819d\u95dc\u7bc0\u7f6e\u63db\u624b\u8853\/\">Read about knee replacement \u2192<\/a><a href=\"https:\/\/orthojiunliang.tw\/en\/faq\/\">Appointment FAQs \u2192<\/a><\/div><section class=\"je-related\"><h2>Continue reading<\/h2><a href=\"https:\/\/orthojiunliang.tw\/en\/news\/hto-knee-preservation-guide\/\">HTO Knee Preservation: Realigning the Leg to Unload Arthritis \u2192<\/a><a href=\"https:\/\/orthojiunliang.tw\/en\/news\/knee-osteoarthritis-treatment-options\/\">Does Knee Osteoarthritis Always Need a Knee Replacement? \u2192<\/a><\/section><details class=\"je-sources\"><summary>Medical references<\/summary><ul><li><a href=\"https:\/\/www.orthoinfo.org\/treatment\/knee-replacement-implants\/\" target=\"_blank\" rel=\"noopener\">AAOS\uff5cKnee Replacement Implants<\/a><\/li><li><a href=\"https:\/\/hipkneeinfo.org\/knee-care\/total-knee-replacement\/\" target=\"_blank\" rel=\"noopener\">AAHKS\uff5cTotal Knee Replacement<\/a><\/li><li><a href=\"https:\/\/hipkneeinfo.org\/wp-content\/uploads\/2024\/03\/What-Are-Hip-and-Knee-Replacements-Made-Of.pdf\" target=\"_blank\" rel=\"noopener\">AAHKS\uff5cHip and Knee Implant Materials<\/a><\/li><li><a href=\"https:\/\/www.hipkneeinfo.org\/knee-care\/what-is-computer-assisted-knee-surgery\/\" target=\"_blank\" rel=\"noopener\">AAHKS\uff5cComputer-Assisted Knee Surgery<\/a><\/li><li><a href=\"https:\/\/www.nhi.gov.tw\/ch\/cp-7310-a42db-2530-1.html\" target=\"_blank\" rel=\"noopener\">\u5065\u4fdd\u7f72\uff5c\u81ea\u4ed8\u5dee\u984d\u7279\u6750\u8aaa\u660e<\/a><\/li><\/ul><\/details><p class=\"je-disclaimer\">General education does not replace individual assessment. Treatment is tailored to your condition and goals; diagrams illustrate concepts.<\/p><\/article><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Compare partial and total knee replacement, implant components, ligament-related designs and fixation. Prepare questions about suitability and cost.<\/p>","protected":false},"featured_media":0,"parent":0,"template":"","news-category":[21],"class_list":["post-1211","news","type-news","status-publish","hentry","news-category-joint-health"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u4eba\u5de5\u819d\u95dc\u7bc0\u600e\u9ebc\u9078\uff1f\u534a\u819d\u3001\u5168\u819d\u8207\u91ab\u6750\u8a2d\u8a08\u6bd4\u8f03\uff5c\u9673\u4fca\u826f\u91ab\u5e2b<\/title>\n<meta name=\"description\" content=\"\u4eba\u5de5\u819d\u95dc\u7bc0\u600e\u9ebc\u9078\uff1f\u8a8d\u8b58\u534a\u819d\u8207\u5168\u819d\u7f6e\u63db\u3001\u91d1\u5c6c\u8207\u805a\u4e59\u70ef\u7d44\u4ef6\u3001CR\u8207PS\u8a2d\u8a08\u53ca\u56fa\u5b9a\u65b9\u5f0f\uff0c\u6574\u7406\u5c31\u8a3a\u6642\u53ef\u8a62\u554f\u7684\u91ab\u6750\u8207\u8cbb\u7528\u91cd\u9ede\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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