◉ حاصل على البورد الألماني◉ دبلوم الفيفا◉ DKG◉ AGA◉ GOTS
الرياض، المملكة العربية السعودية
Dr. Yousef Muhammad — Orthopaedic SurgeonPhone +966 11 522 2222
دليل الإجراء

Cartilage Restoration

Rebuilding the surface — before arthritis sets in.

Cartilage does not heal on its own. Restoration techniques — from microfracture and AMIC to cell-based transplantation — rebuild a damaged surface to relieve pain and delay or avoid joint replacement.

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Cartilage Restoration video placeholder3D Animation (1:10)Watch how cartilage restoration surgery is performed
17+سنوات من الخبرة في جراحة العظام
10,000+SUCCESSFUL PROCEDURES · KNEE & SHOULDER
البورد الألمانياستشاري جراحة عظام معتمد
DKG · AGA · GOTSأخصائي معتمد
دبلوم الفيفاطب كرة القدم
تعرّف على الإجراء

شاهد. افهم. اطمئن.

3D animation placeholder1:10

Cartilage Restoration — 3D Animation

شاهد كيفية إجراء العملية خطوة بخطوة في هذا الفيديو التوضيحي.

Real footage placeholder1:06

AMIC / Cell Transplantation (Real Footage)

For medical professionals: the surgical technique of cartilage restoration surgery, step by step.

للأطباء والمختصين
Recovery placeholder1:20

Recovery After Cartilage Surgery

Why cartilage needs protected loading, and how the rehabilitation is staged over months.

Arthroscopic or Mini-Open
يوم واحد أو ليلة واحدة
60–120 Minutes
الحفاظ على المفصل
عرض كل الفيديوهات

خطوات العملية (نظرة عامة)

1
Defect Mapping

Size, depth and location of the defect are measured arthroscopically.

2
Debridement

Unstable cartilage is removed back to a stable, contained rim.

3
Technique Selection

Microfracture, AMIC membrane, osteochondral graft or cultured cells.

4
Repair Construction

The scaffold, graft or cell layer is applied and secured.

5
Co-Pathology

Alignment, meniscus or instability are corrected in the same session.

الجدول الزمني للتعافي (خطوة بخطوة)

الأسبوع ١–٢Protected or partial weight bearing · Continuous passive motion
الأسبوع ٣–٦Gradual loading · Cycling without resistance · Motion work
الأسبوع ٦–١٢Full weight bearing · Strengthening · Pool training
الشهر ٣–٦Impact-free sport · Progressive resistance training
الشهر ٩–١٢Return to running and pivoting sport*
نظرة عامة

A cartilage defect is a hole in the bearing surface. Left untreated it enlarges, the surrounding cartilage becomes overloaded, and arthritis follows. Restoration fills the defect with repair tissue that can carry load again.

The technique depends on defect size and depth, bone involvement, your age and activity. Equally important is correcting what caused it: malalignment, instability or a missing meniscus.

Is cartilage restoration right for you?
  • A focal cartilage or osteochondral defect on MRI
  • Pain and swelling with activity in an otherwise healthy knee
  • Younger patients not suitable for joint replacement
  • Defects together with malalignment or instability
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الاستعداد للعملية
  • Detailed imagingCartilage-specific MRI sequences and alignment X-rays
  • Weight and loadOptimising body weight meaningfully improves outcomes
  • Rehab commitmentThis is a months-long recovery — plan work and sport around it
  • EquipmentCrutches, and sometimes a brace or motion device, arranged in advance
”

Cartilage surgery rewards patience and punishes shortcuts. Fill the defect, but also fix the reason it appeared — the alignment, the instability, the missing meniscus. That is what makes repair tissue last.

د. يوسف محمد
استشاري جراحة العظام
Dr. Yousef Muhammad

Questions & Answers

Does the new cartilage match the original?
Repair tissue is usually fibrocartilage or hyaline-like rather than identical native cartilage. It is durable enough to relieve pain and protect the joint, especially with correct loading.
Which technique will I need?
Small defects often respond to microfracture or AMIC; larger ones may need osteochondral grafting or cell-based transplantation. The decision is made from MRI and confirmed arthroscopically.
How long until I can walk normally?
Partial weight bearing is typical for the first two to six weeks depending on the technique, then loading progresses steadily.
Can this avoid a knee replacement?
In the right patient it can delay or avoid it. It is not a treatment for widespread arthritis, where replacement is the better option.
Will alignment surgery be needed too?
If the leg axis overloads the defect, an osteotomy is often combined — otherwise the repair is loaded to failure.
When can I run again?
Usually not before six to nine months, and only once loading is pain-free and strength has been restored.

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