Dr. Yin Yu: Arthroscopic Sports Injury and Joint Reconstruction Specialist
Dr. Yin Yu is a senior sports medicine physician and orthopedic surgeon at Peking University Third Hospital, with more than three decades of clinical experience. His work focuses on arthroscopic treatment of knee, shoulder, elbow, and wrist injuries, cruciate-ligament reconstruction, meniscus repair, patellar instability, rotator-cuff injury, and individualized care for adolescent athletes.
International patients can learn more about the hospital and sports medicine services in our Peking University Third Hospital international patient guide. Related profiles include Professor Wang Jianquan and Professor Cui Guoqing.
Clinical Specialties
- anterior and posterior cruciate-ligament injury;
- meniscus tears and repair;
- recurrent patellar dislocation;
- knee cartilage and combined ligament injury;
- rotator-cuff tears;
- recurrent shoulder instability;
- elbow and wrist sports injuries;
- adolescent sports trauma;
- knee replacement in selected patients; and
- rehabilitation and return-to-sport planning.
Anterior Cruciate-Ligament Injury
The anterior cruciate ligament helps control knee stability during cutting, landing, and rapid direction changes. Injury may cause swelling, loss of motion, a sense of giving way, and difficulty returning to pivoting sport.
Not every ACL tear requires immediate surgery. Treatment depends on instability, associated meniscus or cartilage injury, age, sport, occupation, activity goals, and response to structured rehabilitation.
When reconstruction is appropriate, graft choice, tunnel placement, fixation, protection of the meniscus, and rehabilitation all influence the result.
Posterior Cruciate and Combined Ligament Injury
Posterior cruciate-ligament injuries can occur after a blow to the front of the knee, sports trauma, or a traffic accident. Some isolated injuries can be treated without surgery, while severe instability or combined ligament damage may require reconstruction.
Combined injuries need assessment of the collateral ligaments, nerves, blood vessels, meniscus, and cartilage. A cold foot, absent pulse, or severe numbness after knee trauma is an emergency.
Meniscus Repair
The menisci distribute load and support knee stability. Repair is preferred when a tear has suitable tissue, location, and healing potential. Removing damaged tissue may relieve symptoms in selected cases but can increase long-term joint loading.
A locked knee or displaced tear may require timely assessment. MRI findings should be matched with symptoms and examination because some tears are incidental.
Patellar Instability
Recurrent kneecap dislocation may involve ligament injury, a shallow trochlea, abnormal alignment, rotational deformity, or a high-riding patella. Treatment should address the individual anatomical cause rather than use one operation for every patient.
Options can include rehabilitation, medial patellofemoral ligament reconstruction, bone realignment, or another combined procedure.
Shoulder Injury
Arthroscopic treatment may be considered for rotator-cuff tears, recurrent shoulder dislocation, labral injury, and selected impingement or tendon problems. The plan depends on tissue quality, bone loss, tear pattern, age, occupation, and sport.
Adolescent Sports Injury
Children and adolescents require special attention to growth plates, skeletal maturity, sport demands, and long-term joint health. Adult surgical techniques may need modification, and return-to-sport pressure should not override safe healing.
Knee Replacement
For advanced arthritis with severe pain and loss of function, joint replacement may be considered when non-surgical treatment no longer provides adequate relief. Arthroscopy is generally not a solution for diffuse advanced osteoarthritis.
Who May Consider a Consultation?
- patients with ACL, PCL, or combined knee-ligament injury;
- patients with a repairable or displaced meniscus tear;
- patients with recurrent patellar dislocation;
- adolescents with complex sports injuries;
- patients with rotator-cuff injury or recurrent shoulder instability;
- patients whose knee remains unstable after surgery;
- patients comparing rehabilitation and arthroscopic treatment; or
- patients seeking a second opinion on return to sport or joint replacement.
Medical Records to Prepare
- a concise injury and symptom timeline;
- X-rays, MRI, CT, or ultrasound in original DICOM format;
- previous operative reports and arthroscopy images;
- rehabilitation and strength-testing records;
- details of braces, injections, and treatments tried;
- sport, occupation, growth status, and activity goals;
- short movement videos when relevant and safe; and
- a clear list of questions about surgery, recovery, and return to sport.
Planning an International Consultation
A locked joint, major deformity, inability to bear weight after acute trauma, fever with joint swelling, or loss of circulation or sensation requires urgent local assessment.
Stable patients should confirm whether original imaging can be reviewed. Remote medical-record review requires physician authorization. Final treatment and surgical eligibility usually require an in-person examination.
How CMCS Can Assist
CMCS – China Medical Concierge Shanghai is an independent medical concierge and health management company, not a hospital. We assist international patients and athletes with organizing and translating orthopedic records, identifying an appropriate specialist, requesting appointment availability, arranging interpretation, and planning medical travel in China.
Access to Dr. Yin, remote review, arthroscopy, or joint replacement is subject to doctor and hospital approval. CMCS does not guarantee appointments, surgical eligibility, return-to-sport timelines, or clinical outcomes.
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Important Note
Doctor titles, clinical roles, surgical techniques, treatment availability, and appointment arrangements may change. This profile is based on the supplied verified research document and is for general information only. It does not replace examination by a qualified sports medicine team.
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