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Orthopaedic Surgery Lab
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The lab develops treatments that cure and regenerate diseases of the bones, joints, and spine.
AboutAbout the lab
Cutting-edge orthopaedic care
The lab provides clinical care and conducts research on diseases and injuries of the musculoskeletal system, including bones, joints, muscles, and nerves.
The lab places the highest priority on enabling young doctors to deliver cutting-edge orthopaedic care.
Clinical research proceeds in groups divided by body region or field, such as upper limb, lower limb, hip, spine, tumors, and sports, and the lab also has basic research groups.
In graduate school, students decide their research themes based on their own wishes and ideas.
Key terms
- Musculoskeletal system
- The group of organs that support and move the body, including bones, joints, muscles, ligaments, and nerves
- Alginate gel
- A gel made from a component found in seaweed. It is placed in damaged areas of cartilage to help the cartilage regenerate
- Scoliosis
- A condition in which the spine curves sideways or twists. It is often found during adolescence
NewsLab news
Held an information session and social gathering for the Hokkaido University Orthopaedic Surgery training program (October 2026)
Prof. Iwasaki received the Japanese Society for Biomaterials Award (Technology/Clinical)
Project Assistant Professor Endo received the Chair's Award at the Japanese Orthopaedic Association Basic Scientific Meeting
Lecturer Shimizu received the Excellent Presentation Award (Physician Category) at the Annual Meeting of the Japanese Society for Hip Joint
A doctoral student received the Excellent Presentation Award from the Japan Osteoporosis Society
ResearchResearch themes
In the clinical research division, groups for the upper limb, lower limb, hip, spine, spinal deformity, osteoporosis and rheumatism, tumors, and sports carry out research. In the basic research division, groups for AI, cartilage, intervertebral discs and medical device development, bone metabolism, nerves, and immunology do so. Basic research addresses the regeneration of musculoskeletal tissue, elucidating the causes of osteoarthritis and intervertebral disc degeneration, and developing preventive treatments.
*Illustrative imageTreating the joints and nerves of the shoulder, elbow, and hand
The lab treats diseases of the joints and peripheral nerves of the shoulder, elbow, and hand, performing arthroscopic surgery, joint replacement, and surgery to restore lost function. It works on elbow cartilage regeneration therapy using alginate gel and on putting into practical use Japan's first artificial wrist joint, developed jointly with a company.
*Illustrative imageTreatments that preserve and protect the knee joint
For sports injuries, knee osteoarthritis, and similar conditions, the lab emphasizes treatments that preserve the joint and maintain its function. It conducts a clinical trial of knee cartilage regeneration therapy using alginate gel, and research on osteotomy around the knee to reshape the bones and on gait analysis.
*Illustrative imageThe hip joint, from infants to the elderly
The lab treats hip diseases at every age, from developmental dysplasia of the hip in infants and osteonecrosis of the femoral head in young people to hip osteoarthritis in older adults. It works on minimally invasive osteotomy and on developing artificial hip components suited to the skeletal structure of Japanese people.
*Illustrative imageSurgery for spinal deformities and diseases
Centered on surgery to correct and fix spinal deformities such as cervical deformity and scoliosis, the lab also treats ossification of ligaments, in which ligaments harden like bone, and spinal tumors. It also develops minimally invasive surgery using endoscopes and a system that automatically measures scoliosis using artificial intelligence.
MembersFaculty
The lab's members consist of faculty, residents, and graduate students. Physicians from the Department of Orthopaedic Surgery at Hokkaido University Hospital, as well as faculty from the Faculty of Dental Medicine, the Faculty of Health Sciences, the Faculty of Advanced Life Science, and other faculties, also join in providing guidance.As of 2026
- ProfessorNorimasa Iwasaki
- ProfessorEiji Kondo
- Project ProfessorHideki Sudo
- Associate ProfessorTomohiro Onodera
- Associate ProfessorYuichiro Matsui
- Associate ProfessorDaisuke Momma
- Project Associate ProfessorKen Kadoya
- LecturerDaisuke Takahashi
- LecturerKatsuhisa Yamada
- LecturerTomohiro Shimizu
- LecturerMasatake Matsuoka
- Assistant ProfessorAlaa Terkawi
- Assistant ProfessorTakeshi Endo
- Assistant ProfessorTakashi Onishi
- Assistant ProfessorDaisuke Ukeba
- Assistant ProfessorMakoto Motomiya
- Project Assistant ProfessorTsutomu Endo
- Project Assistant ProfessorDai Sato
- Project Assistant ProfessorTaku Ebata
- Project Assistant ProfessorKentaro Homan
- Project Assistant ProfessorHirokazu Shimizu
- Project Assistant ProfessorMitsutoshi Ota
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Hip replacement Image 3684-PH” X-ray Image ID: 3684. Photographer: Unknown. / Public domain (cropped)
- Treating the joints and nerves of the shoulder, elbow, and hand: “X-ray of a dorsally tilted wrist joint” Mikael Häggström / CC0 (cropped)
- Treatments that preserve and protect the knee joint: “Knee joint 2” John Campbell / CC BY 2.0 (cropped)
- The hip joint, from infants to the elderly: “Hip bone - Coxal bone -- Smart-Servier” Laboratoires Servier / CC BY-SA 3.0 (cropped)
- Surgery for spinal deformities and diseases: “Dem bones (3387445)” Steve Jurvetson from Menlo Park, USA / CC BY 2.0 (cropped)
- Related lab (Neurosurgery Lab): “Circle of Willis - MRI, MIP - Anterior projection” Ceccomaster / CC BY-SA 3.0 (cropped)
- Related lab (Sports Medicine and Science Lab): “Knee joint 1” John Campbell / CC BY 2.0 (cropped)
- Related lab (Infectious Diseases Lab): “HIV-budding-Color” Photo Credit: C. Goldsmith Content Providers: CDC/ C. Goldsmith, P. Feorino, E. L. Palmer, W. R. McManus / Public domain (cropped)
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